SIMATIC Robot Integrator
for YASKAWA –
Getting Started
SIMATIC S7-1500 / TIA Portal V15.1
YASKAWA MotoLogix
https://support.industry.siemens.com/cs/ww/en/view/109772216
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Table of contents
Table of contents
Legal information ......................................................................................................... 2
1
Introduction ........................................................................................................ 5
1.1
1.2
1.3
1.4
2
Basics ................................................................................................................. 9
2.1
2.2
2.2.1
2.2.2
2.2.3
2.3
2.3.1
2.3.2
3
© Siemens AG 2020 All rights reserved
Structure of an industrial robot ............................................................. 9
YASKAWA MotoLogix ........................................................................ 10
Overview............................................................................................. 10
YASKAWA MotoLogix block library .................................................... 11
Interpreter on the YASKAWA robot controller .................................... 11
Configuration of the block library ........................................................ 12
MLX data block structure.................................................................... 12
Calling the blocks ............................................................................... 15
Creating a program .......................................................................................... 16
3.1
3.1.1
3.1.2
3.1.3
3.1.4
3.2
3.3
3.4
3.4.1
3.4.2
3.4.3
3.5
3.5.1
3.5.2
3.5.3
3.5.4
3.5.5
3.5.6
3.5.7
3.5.8
3.5.9
3.6
3.6.1
3.6.2
3.6.3
3.6.4
3.6.5
3.7
3.7.1
3.7.2
3.7.3
3.8
3.8.1
3.8.2
4
Overview............................................................................................... 5
Principle of operation............................................................................ 5
Aim of this application example ............................................................ 7
Components used ................................................................................ 7
Hardware configuration ...................................................................... 16
Robot as PROFINET device .............................................................. 16
GSDML file ......................................................................................... 16
Connecting the SIMATIC S7 and the robot ........................................ 25
Controlling multiple robots using a SIMATIC S7 ................................ 26
Importing function blocks.................................................................... 27
Basic program structure ..................................................................... 29
"SiemensYaskawa" block ................................................................... 30
MLxCommunicationRead ................................................................... 31
MLxCommunicationWrite ................................................................... 32
Function blocks for robot movements ................................................ 34
"YaskawaControl" block ..................................................................... 35
RobotEnable ....................................................................................... 36
MLxStop ............................................................................................. 37
MLxReset ........................................................................................... 37
Override .............................................................................................. 37
Current Cartesian position.................................................................. 39
MLxCopyAxisDataToReal .................................................................. 39
MLxRobotJogAxes ............................................................................. 40
MLxRobotJogTCP .............................................................................. 41
TeachPosition ..................................................................................... 44
Block "PickPlace" ............................................................................... 45
MLxHold ............................................................................................. 46
MLxRestart ......................................................................................... 47
Define blend behavior ........................................................................ 47
MLxRobotMoveAxisAbsolute ............................................................. 50
MLxRobotMoveLinearAbsolute .......................................................... 51
Operation ............................................................................................ 54
Status bar and Override ..................................................................... 54
Control functions ................................................................................ 55
Jogging the robot ................................................................................ 56
Error handling ..................................................................................... 58
HMI only shows rhombuses ............................................................... 58
MotoLogix interface is not initialized .................................................. 59
Advanced fundamentals and additional functions ...................................... 60
4.1
Selection of the correct CPU .............................................................. 60
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Table of contents
4.2
4.3
5
Safety Integrated ................................................................................ 60
Diagnostic messages ......................................................................... 60
Appendix .......................................................................................................... 61
SIMATIC Robot Integrator .................................................................. 61
Service and support ........................................................................... 62
Contact partners ................................................................................. 63
YASKAWA .......................................................................................... 63
Links and literature ............................................................................. 64
Change documentation ...................................................................... 65
© Siemens AG 2020 All rights reserved
5.1
5.2
5.3
5.3.1
5.4
5.5
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1 Introduction
Introduction
1
The use of industrial robots continues to grow. They are increasingly being used in
machines and plants. Their standardized mechanics are well-developed and highly
flexible in terms of their movement; as a result, robots are increasingly replacing
expensive specialist mechanics. This also enables production from the first
production batch without expensive modifications to machines and plants.
Unfortunately, plant controllers and robot controllers usually constitute two different
systems. Communication between the two controllers usually occurs solely on the
bit level and the movement programs of the robot are stored on the robot controller
and may only be called up by the plant controller. It is therefore difficult to trigger
flexible robot reactions to specific plant events.
Also, the plant controller and the robot are usually very different in terms of their
programming, which means that it is not possible for one person to control both
systems. Interface and coordination problems are therefore pre-programmed.
1.1
Overview
A complete integration of the actuation and the movement control of the robot into
the machine and plant controller should make the use of the industrial robot in a
production plant easier and more flexible.
© Siemens AG 2020 All rights reserved
The following requirements are imposed on the automation task:
1.2
•
The robot should be fully programmable via the machine and plant controller
(PLC).
•
The robot can be operated via the same HMI of the PLC/machine (Single Point
of Operation).
•
Robot diagnostics should be fully possible via the PLC.
•
Further functions, such as Safety Integrated, should be integrable and
controllable via the PLC.
Principle of operation
A YASKAWA industrial robot is to be fully programmed and operated using a
SIMATIC S7-1500 controller. For this purpose, the YASKAWA MotoLogix block
library will be used in the TIA Portal, which provides all the necessary function
blocks. Additional programming of the robot controller is therefore not required.
Communication between the SIMATIC S7-1500 controller and the YASKAWA
industrial robot takes place via a PROFINET connection. All commands and status
information between the SIMATIC controller and the robot are exchanged via this
connection.
Note
Via a SIMATIC S7-1500 controller, multiple Yaskawa industrial robots can be
controlled simultaneously in the TIA portal using the YASKAWA MotoLogix block
library.
However, the application example presented here is limited to the coupling of a
robot to a SIMATIC S7-1500.
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1 Introduction
Diagram
The following diagram provides a schematic representation of the most important
components of the application example:
Figure 1-1: Schematic overview of the application example
SIMATIC CPU
S7-1500
MotoMINI
YRC1000micro
© Siemens AG 2020 All rights reserved
PROFINET IE
The movement control of the YASKAWA industrial robot is fully programmed in the
SIMATIC controller using the YASKAWA MotoLogix block library. The robot is
assigned to the SIMATIC controller as an I/O device via a PROFINET connection.
The YASKAWA industrial robot consists of the YASKAWA robot controller
YRC1000micro and the robot arm. The Interpreter for the YASKAWA MotoLogix
block library commands is installed on the robot controller. The Interpreter receives
the SIMATIC controller commands and executes them, including the kinematics
transformation, via the robot mechanics.
Benefits
Programming a YASKAWA industrial robot using a SIMATIC S7-1500 controller
with the YASKAWA MotoLogix block library in the TIA Portal offers the following
advantages:
•
All of the programming for the robot and the plant is performed in the TIA
Portal. Training in a robot manufacturer-specific development environment is
not necessary.
•
The movement program of the robot is fully integrated into the plant control
program and can be archived together with this program.
•
The robot cell can be fully integrated into the SIMATIC plant controller.
•
The operation of the robot can be integrated into the HMI user interface of the
plant.
•
Diagnostic messages of the robot are sent to the SIMATIC controller where
they can be further processed and displayed on the HMI user interface of the
plant.
•
Remote access to the SIMATIC controller for service and maintenance is
possible via standard functions and can be extended to the robot.
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1 Introduction
1.3
Aim of this application example
The application example provided here is an example of how to use the YASKAWA
MotoLogix block library in the TIA portal; it shows which functions are required to
program and operate a YASKAWA robot using a SIMATIC controller.
The application example is intended to familiarize you with the basic functions of
the YASKAWA MotoLogix block library in the TIA Portal and to serve as a guide for
decision-making and planning your own projects and user programs with a
YASKAWA industrial robot.
The functionality of the blocks from the YASKAWA MotoLogix block library is
demonstrated in the creation of three function blocks in which the following
functions of the robot are programmed:
•
Switching on the robot (YaskawaControl)
•
Implementation of a simple pick & place movement (PickPlace)
•
Moving the robot on a circular path (Circle)
© Siemens AG 2020 All rights reserved
The application example is suitable for programming a basic control of the robot in
the SIMATIC controller.
Based on this application example, a further example can be requested from
Siemens Support, in which the use of a YASKAWA industrial robot with extended
functionality, including the HMI user interface required for this, is shown. For more
information on this topic, refer to chapter 5.1.
A detailed description of the function and application of the YASKAWA MotoLogix
block library can be found in the YASKAWA documentation for the YASKAWA
MotoLogix library, which is contained in chapter 5.4.
Required knowledge
Basic knowledge of the creation of a user program on the SIMATIC S7-1500 in the
TIA Portal or the hardware configuration is not taught in this application example,
but is assumed. In addition, this application example is not an introduction to
robotics. Basic knowledge of the application and the capabilities of an industrial
robot are also required.
1.4
Components used
The application example was created with the following hardware and software
components:
Table 1-1: SIEMENS components
Component
SIMATIC CPU S7-1516F
Quantity
Article number
1
6ES7 516-3FN01-0AB0
STEP 7 Professional
1
6ES7822-1AA05-0YA5
WinCC Comfort
1
6AV2101-0AA05-0AA5
Note
Firmware version 2.6
TIA Portal V15.1
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1 Introduction
Table 1-2: YASKAWA components
Component
Quantity
Article number
Note
YRC1000micro with
firmware 2.31.00
1
-
Robot controller
MotoMINI
1
-
Robot arm
YASKAWA MotoLogix
1
-
Version: 1.2.4
YASKAWA GSD file for
YRC1000micro with
firmware 2.31.00
1
-
Version: gsdml-v2.3hms_custom-absprt20170815.xml
This application example consists of the following components:
Table 1-3: Components SRI for YASKAWA – Getting Started
Component
File name
Note
109772216_GettingStartedSRIYaskawa_
DOC_V11_en.pdf
This document
TIA V15.1 Project
109772216_GettingStartedSRIYaskawa_
PROJ_MLxV125_TIAV15.1.zap15_1
Example program
© Siemens AG 2020 All rights reserved
Documentation
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2 Basics
2
Basics
This chapter is intended to explain basic functions and background information for
the use of a YASKAWA industrial robot in connection with the YASKAWA
MotoLogix block library.
2.1
Structure of an industrial robot
A YASKAWA industrial robot generally consists of the following components.
Figure 2-1: Structure of a YASKAWA industrial robot
4
© Siemens AG 2020 All rights reserved
2
5
1
3
Table 2-1: Components of an industrial robot
No.
Component
Function
1
Manipulator
The manipulator represents the actual
robot mechanics, i.e. the kinematics,
which executes the ordered
commands.
2
Teachbox programming handset
3
Connecting cable
Settings can be entered and checked
on the robot controller using the
Teachbox programming handset. The
robot can also be moved manually and
automatically using the programming
handset.
4
Robot controller
5
Connection cable/data cable/motor cable
S7-1500 / YASKAWA MotoLogix
Entry-ID: 109772216, V1.1, 08/2020
The robot controller coordinates the
movements of the robot. The
calculation of the coordinate
transformation for the robot
movements and the control of the
robot axis motors occur in this
controller.
The robot controller may also contain
the power units for the robot axis
motors.
9
2 Basics
2.2
YASKAWA MotoLogix
2.2.1
Overview
The graphic below provides an overview of how the YASKAWA MotoLogix block
library works.
Figure 2-2: Functional overview of YASKAWA MotoLogix
Reading the process image
Function blocks of the user program
Reading of robot data
MotoLogix library block
MotoLogix library block
© Siemens AG 2020 All rights reserved
Writing of robot data
Yaskawa MotoLogix (Library)
Function blocks of the user program
Writing of the process image
Fieldbus
Interface
SIMATIC
PLC
PROFINET IE
Fieldbus
Interface
Reading of
Instructions
Yaskawa MotoLogix
(Interpreter)
Write
Command
buffer
Path calculation
Actions
Execution of
Instructions
Yaskawa
YRC1000micro robot controller
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2 Basics
YASKAWA MotoLogix options package
The options package for a YASKAWA MotoLogix YASKAWA industrial robot
consists of two parts:
•
A block library for programming a YASKAWA industrial robot from a SIMATIC
controller.
•
An Interpreter on the robot controller which interprets the commands of the
function blocks from the SIMATIC controller and passes them on to the path
planning of the robot controller.
Program sequence
In Figure 2-2, the robot program, based on the YASKAWA MotoLogix block library,
is embedded in the program sequence of the machine program in the SIMATIC
controller. The following functions of the robot program are executed with each
program cycle:
1. Reading of robot data.
2. Assignment of robot movement via the function blocks of the YASKAWA
MotoLogix block library.
3. Writing of robot data.
© Siemens AG 2020 All rights reserved
The received commands are read and executed in the robot controller.
Subsequently, the SIMATIC PLC is informed whether the command was
successfully completed or led to an error.
2.2.2
YASKAWA MotoLogix block library
The YASKAWA MotoLogix block library provides various blocks for controlling a
YASKAWA industrial robot. The desired functions of the YASKAWA robot can be
controlled by simply calling the corresponding block from the block library.
By calling a function block from the block library, the corresponding commands are
transferred to the YASKAWA robot controller and interpreted there.
2.2.3
Interpreter on the YASKAWA robot controller
The Interpreter on the YASKAWA robot controller accepts the commands of the
function blocks from the YASKAWA MotoLogix block library in the robot controller
and transmits the corresponding commands to the command buffer that is
integrated in the firmware. In this way, successive orders are buffered in the robot
controller. The Interpreter will therefore accept commands even when the previous
command has not yet been completed. Buffered commands are processed by the
robot controller according to the FIFO principle (First In First Out).
Once a motion command has been transmitted, it is stored until it has been
completely executed or the internal buffer has been cleared with the commands
"MLxStop" or “MLxReset” (see chapters 3.5.2 and 3.5.3).
Note
Movement commands to the robot are not the only commands transmitted to the
command buffer. Other commands in the command buffer, for instance changing
the active user frame, are likewise executed in the order in which they were
transmitted.
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2 Basics
The YASKAWA robot moves in accordance with the motion commands given as
soon as it is switched on. The robot stops a movement in the following cases.
© Siemens AG 2020 All rights reserved
Note
•
Emergency stop signal
•
Changing the operating mode
•
Call of the command "MLxHold" (see chapter 3.6.1)
•
Call of the command "MLxStop" (see chapter 3.5.2)
•
Call of the command "MLxReset" (see chapter 3.5.3)
•
Call of the command "MLxAbort" (see Yaskawa manual – chapter 5.4)
•
Hardware fault
In the event that the operating mode is changed from Remote to Play during an
active movement, the robot controller switches to the status "Held". After a
change to Remote, movement can be resumed with the block "MLxRestart".
2.3
Configuration of the block library
2.3.1
MLX data block structure
The YASKAWA MotoLogix block library is configured so that the user
himself/herself creates the data block necessary for the communication. The user
can also retrieve it from the YASKAWA TIA project and modify it if necessary. A
suitable PLC data type "MLxData" is available for this. This structure is to be
created once for each robot that is controlled via the SIMATIC controller (also see
chapter 3.1.4). In the following you will find a description of the structure of
"MLxData" PLC data types.
Table 2-2: "MLxData" structure
Name
Type
Comment
SystemState
DInt
Actual system status:
0: Initializing
1: EnablingToIdle
2: EnablingToHeld
3: Idle
4: Running
5: Holding
6: Held, 7=Aborting
8: ServosOffAborted
9: StoppingToIdle
10: StoppingToServosOff
11: StoppingToServosOffHeld
12: ServosOffReady
13: ServosOffHeld
14: FatalFault
SystemErrorCode
DInt
Current error number
The assignment to the
corresponding error message can
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2 Basics
Name
Type
Comment
© Siemens AG 2020 All rights reserved
be found in the YASKAWA
handbook (See chapter 5.4 \9\)
NumberOfQueuedErrors
DInt
Number of pending messages
when there are multiple active
error messages. Call the
MlxGetErrorDetail block multiple
times to query each previous error
message.
NumberOfAxes
DInt
Number of robot axes configured.
NumberOfRobots
DInt
Number of kinematics configured.
JoggingMode
Bool
Set in order to move the robot in
one of its jog modes.
MLxControllerInfo
"MLxModuleInfo"
Properties of the robot controller.
Signals
"MLxSignals"
Current status information of the
robot controller.
InternalData
"MLxxInternalData"
Used for internal communication.
Axis
Array[0..15] of
"MLxAxisData"
Axis configuration including
related feedback from the robot
controller.
Robot
Array[0..3] of
"MLxRobotData"
Robot configuration including
related feedback from the robot
controller.
HMIFeedbackConfiguration
"MLxHMIFeedback
Configuration"
Selection of robot configuration
and user-defined or WORLD
JogFrame (see also chapter 3.5.8)
HMIFeedbackData
"MLxHMIFeedback
Data"
Current Selection of JogFrame
and position of TCP.
The structure of the "MLxData" data type contains the configuration of multiple
robots and numerous axes. The following figure illustrates the procedure for using
these structures.
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2 Basics
Figure 2-3: Schematic representation of robot configuration assignment
Robot[0]
Robot A
Robot[1]
Linear axis
© Siemens AG 2020 All rights reserved
MLxData[0]
Robot[0]
Robot B
MLxData[1]
YaskawaRobotMLX (DB)
Figure 2-3 schematically represents the control of two robots via one SIMATIC
controller. In this case, the structure of the "MLxData" data type must be created as
an array with two elements in the interface data block.
In the example pictured, robot A moves on an additional linear axis which is itself
controlled by the robot's controller. The configuration of "Robot [1]" is assigned to
the linear axis.
At the "RobotNumber" input, blocks such as "MLxRobotJogAxes" expect the
selection of the axes which will be controlled. Thus, in order to move robot A in this
example, the value 0 must be given. In order to move the linear axis, the value 1
must be given. In order to move the robot and the linear axis together, blocks with
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2 Basics
the additional term "Base" are called. This means that for a linear travel motion of
the whole kinematic sequence, for instance, the block
"MLxMoveLinAbsoWithBase" is called.
Blocks such as "MLxEnable" have no "RobotNumber" input. If this block is called,
all axes that are configured in "MLxData [n]" are started.
The configuration and its assignments cannot be edited by the user, but are
instead handled independently by the robot controller.
Note
2.3.2
Using larger robot controllers like the YRC1000 it is possible to control several
robots via one robot controller. When using the function block library MotoLogix
in this case the second robot is being controlled from the same “MLxData[x]”
data structure as an additional robot. For more information please refer to the
YASKAWA technical support.
Calling the blocks
© Siemens AG 2020 All rights reserved
The blocks in the YASKAWA MotoLogix function block library are signal-controlled,
not edge-controlled. This means that the blocks in the library no not require a rising
edge in order to be called, but rather a constant signal.
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3 Creating a program
3
Creating a program
This section explains how the Example Program for the application example was
set up.
This section explains the following:
•
Integration of the robot in the hardware configuration of the TIA Portal project.
•
Integration of the YASKAWA MotoLogix block library
•
Programming of the robot's basic functions.
•
Programming of selected movement sequences of the robot.
3.1
Hardware configuration
3.1.1
Robot as PROFINET device
© Siemens AG 2020 All rights reserved
The YASKAWA robot is integrated into the hardware configuration of the TIA Portal
project as a PROFINET IO device. The robot is integrated via a GSDML file which
contains the hardware description of the robot and the possible data telegrams for
data exchange between the SIMATIC controller and the robot.
When you download the YASKAWA MotoLogix function block library from the
YASKAWA website, you will receive a TIA Portal project in which the library is
already embedded. The necessary components for creating this application
example are taken from the YASKAWA project.
3.1.2
GSDML file
After unpacking the YASKAWA TIA project, the necessary GSDML files are
automatically installed and are available for future TIA projects in the hardware
catalog.
In this application example the YASKAWA robot controller YRC1000 micro is used.
The corresponding GSDML file can be found in the folder “INpact PIR” as shown in
Figure 3-1.
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3 Creating a program
© Siemens AG 2020 All rights reserved
Figure 3-1 Adding the GSDML file from the hardware catalog – YRC1000 micro
Depending on the hardware and software used for the DX200 and YRC1000 robot
controllers, the following instructions must also be considered when selecting the
correct GSDML.
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3 Creating a program
Figure 3-2: Overview GSDML files for specific configuration
Roboter
controller
DX200
PROFINET
Board
YRC1000
CP1616 (PCI)
INPACT (PCIe)
YAS 2.x.x
System
Software
(CP1616 v2.6)
GSDML
GSDML V2.31
YRC1000
micro
YAS 3.x.x
(CP1616 v2.8)
GSDML V2.33
GSDML V2.3
© Siemens AG 2020 All rights reserved
Figure 3-3: Version overview
Firmware
PROFIsafe/
Standard
GSDML
PROFIsafe
GSDML-V2.31-YaskawaPROFIsafe-CP1616-20150514.xml
GSDML V2.31
Standard (DX200)
Standard
(YRC1000)
GSDML-V2.31-YaskawaPROFIsafe-CP1616-20160530.xml
Standard
GSDML-V2.33-#YASKAWAPreConf_YRC1000_CP1616_stan
dard_MLx-20191018-104846.xml
PROFIsafe
GSDML-V2.33-#YASKAWAPreConf_YRC1000_CP1616_PRO
FIsafe_MLx-20191018-104846.xml
Standard
GSDML-V2.3-HMS_CUSTOMABSPRT-20170815.xml
GSDML V2.33
GSDML V2.3
Below you will find the necessary steps for a correct hardware configuration for
every robot controller separately.
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DX200
The robot controller DX200 can be projected with or without PROFsafe. After
successful installation, the corresponding file can be found in the hardware catalog
under the following path:
„Other field devices“ – „PROFINET IO” – “I/O” – “YASKAWA Electric Corperation” –
“SIMATIC – PC-CP” – “CP1616” – 6GK1 161-6AA02 (Migration)”
© Siemens AG 2020 All rights reserved
Figure 3-4: Add GSDML file from hardware catalog – DX200
Select for project engineering of a DX200 version „GSDML-V2.31-YaskawaPROFIsafe-CP1616-20150514.xml“
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© Siemens AG 2020 All rights reserved
Figure 3-5: Selection of DX200
For controlling the robot without PROIFsafe, configure the GSDML file mentioned
above once (Figure 3-6 - 1).
For fail-safe controlling the robot with PROFIsafe, configure the above-mentioned
GSDML file twice for one robot controller. Select the module intended for fail-safe
communication in the device view for one of the two devices (Figure 3-6 - 2). You
The necessary modules for DX200 robot controller can be found in the YASKAWA
PLC manual.
Figure 3-6: Standard and PROFIsafe configuration for DX200
1
2
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YRC1000
The YRC1000 robot controller can be configured with different PROFINET boards
and, depending on the firmware, with or without PROFIsafe.
For configuration with an INPACT board, the GSDML file shown below is taken
from the hardware catalog.
© Siemens AG 2020 All rights reserved
Figure 3-7: Select GSDMLfile from hardware catalog – YRC1000 - INPACT
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3 Creating a program
When using a CP1616 Bboard, fail-safe communication via PROFIsafe is not
available for the firmware YAS2.xx
The corresponding file can be found after succesful installation in the hardware
catalogue under following path:
„Other field devices“ – „PROFINET IO” – “I/O” – “YASKAWA Electric Corperation” –
“SIMATIC – PC-CP” – “CP1616” – 6GK1 161-6AA02 (Migration)”
© Siemens AG 2020 All rights reserved
Figure 3-8: Select GSDMLfile from hardware catalog – YRC1000 – CP1616 – YAS 2.xx
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To configure an YRC1000 robot controller, select „GSDML-V2.31-YaskawaPROFIsafe-CP1616-20160530.xml
© Siemens AG 2020 All rights reserved
Figure 3-9: Auswahl der YRC1000 mit YAS 2.xx
When using a CP1616 board, fail-safe communication via PROFIsafe is optionally
available for the YAS 3.xx firmware.
The corresponding file can be found after successful installation in the hardware
catalogue under the following path:
„Other field devices“ – „PROFINET IO” – “PLCs & CPs” – “YASKAWA” – “SIMATIC
– PC-CP”.
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© Siemens AG 2020 All rights reserved
Figure 3-10: Select GSDMLfile from hardware catalog – YRC1000 – CP1616 – YAS 3.xx
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3 Creating a program
For controlling the robot without PROFIsafe configure the file
GSDML „YRC1000_CP1616_standard_MLx“ (Figure 3-11 – 1).
For fail-safe control with PROFIsafe, configure both the GSDMLs mentioned above
for one robot controller „YRC1000_CP1616_ standard _MLx“ and
„YRC1000_CP1616_PROFIsafe_MLx“ (Figure 3-11 – 2).
Figure 3-11: Standard and PROFIsafe configuration for YRC1000 – CP1616 – YAS 3.xx
1
© Siemens AG 2020 All rights reserved
2
3.1.3
Connecting the SIMATIC S7 and the robot
Finally, the robot controller and the SIMATIC controller must be connected to each
other via a PROFINET connection and suitable address ranges defined. For this
purpose, suitable IP addresses must first be assigned to the individual devices or in
the hardware configuration.
Double-clicking on the robot controller in the hardware configuration allows further
configuration of the components for data exchange with the SIMATIC controller.
The necessary data exchange telegrams with the robot controller are configured in
the configuration so that the data required for controlling the robot by the SIMATIC
controller can be exchanged.
Add the input and output modules as shown in the following figure:
Figure 3-12: Data exchange between SIMATIC controller and YRC1000micro
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3 Creating a program
Figure 3-13: Data telegram for the YRC1000micro
Assign the modules the desired address ranges. Ensure that there are no gaps.
Note
Optionally, an HMI device, which can be used to control and monitor the robot
functions, can also be integrated into the hardware configuration.
© Siemens AG 2020 All rights reserved
Figure 3-14: Connection of robot, SIMATIC controller and HMI
Under PLC tags, create a pair of tags of type "MLxxReadPacket" and
"MLxxWritePacket" for each robot and assign them the address range defined in
the hardware configuration (here, 100).
Figure 3-15
3.1.4
Controlling multiple robots using a SIMATIC S7
Using a suitable SIMATIC controller and the YASKAWA MotoLogix block library, it
is possible in theory to control an arbitrary number of YASKAWA robot controllers
independently of one another. There is no limit set by the library.
When creating the interface data block, you can create the "MLxData" structure
once for each one of the robot controllers being controlled. Because the size of
data blocks is limited, however, and the addressing of the interface data blocks is
done in absolute terms, the "MLxData" structure can only be created twice per data
block. Additional robot controllers require additional data blocks to be created.
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The data are assigned to the corresponding robot controller via the defined
telegram addresses in the IO area of the SIMATIC controller, as defined in the
hardware configuration.
The assignment of the function blocks or the robot functions to the individual robot
controllers in the user program is made via the "MLX" input of the blocks, which
refers to the data array in the data block "YaskawaRobotMLX".
Figure 3-16: Data array for two robots in the YaskawaRobotMLX data block
© Siemens AG 2020 All rights reserved
The primary limiting factor of the SIMATIC controller is its retentive memory. The
greater the number of robot positions which have to be stored, the more retentive
memory is required. However, the retentive memory can be increased by a
corresponding power supply module, whereby even smaller controllers can store
more robot positions and thus control several robots.
Be aware, however, that due to the telegram size for communication between the
robot controller and SIMATIC controller, the input and output addresses can be
read and written by a maximum of four YASKAWA robots.
3.2
Importing function blocks
The YASKAWA MotoLogix block library can be transferred to your user program by
copying it from the YASKAWA TIA project. In order to do this, both the necessary
PLC data types as well as the function and data blocks from the YASKAWA TIA
project must be transferred to your own TIA Portal project.
•
First copy all PLC data types with the "MLx" prefix into the "PLC data types"
folder in your project.
•
Then copy the "YaskawaMLx" program block folder into the "Program blocks"
folder of your TIA Portal project.
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© Siemens AG 2020 All rights reserved
Figure 3-17: Function blocks and MotoLogix PLC data types
All the necessary data types and blocks from the YASKAWA MotoLogix block
library are now contained in your TIA Portal project. The functions of the block
library can now be used in your user program.
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3.3
Basic program structure
The graphic below shows the basic structure of the Example Program for the robot.
Figure 3-18: Schematic representation of the program sequence
Main
Cycle
Siemens
Yaskawa
MLx
Communication
Read
Yaskawa
Control
See
detailed
graphic
PickPlace
See
detailed
graphic
© Siemens AG 2020 All rights reserved
MLx
Communication
Write
The complete robot program is summarized in a function (FC) for better structuring.
In this FC, the blocks necessary for the robot are then called from the YASKAWA
block library, as well as additional function blocks (FB) which contain special
motion programs of the robot.
The function "SiemensYaskawa" has the following structure:
•
Reading the robot data via the block "MLxCommunicationRead".
•
Execution of the basic functions of the robot via the "YaskawaControl" block.
•
Calling a block to execute a simple pick & place movement. This movement is
summarized in the "PickPlace" block.
•
Writing of robot data via the block "MLxCommunicationWrite".
Note
The function "SiemensYaskawa" serves for better structuring and is to be
understood accordingly as call FC. This means that it contains accesses to
global DBs and therefore cannot be used as a library element.
Note
The function block "YaskawaControl" also contains accesses to global DBs of
the YASKAWA MotoLogix library It can therefore only be used in conjunction
with the YASKAWA MotoLogix block library as a library element.
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3.4
"SiemensYaskawa" block
Create a new block in the program blocks area by right-clicking.
© Siemens AG 2020 All rights reserved
Figure 3-19: Adding a new block
Select "Function", assign a name and determine the desired programming
language.
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© Siemens AG 2020 All rights reserved
Figure 3-20: Creating a new function
Open the newly created function and add the blocks "MLxCommunicationRead"
(FB6059) and "MlxCommunicationWrite" (FB6060) from the YASKAWA MotoLogix
library.
3.4.1
MLxCommunicationRead
The YASKAWA MotoLogix block library block "MLxCommunicationRead" (FB6059)
enables reading of data from the robot controller into the internal data storage of
the YASKAWA MotoLogix block library in the SIMATIC controller.
This enables the provision of data from the robot or robot controller to the user
program in the SIMATIC controller for the other blocks from the YASKAWA
MotoLogix library.
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Figure 3-21: Reading data from the robot
The data are assigned to the corresponding robot connected to the SIMATIC
controller via the "MLX" input, which refers to the array entry belonging to the robot
in the interface data block, and via the "MLX_Input" input, at which the address
range of the configured telegram from the robot controller to the SIMATIC controller
is relayed to the block.
© Siemens AG 2020 All rights reserved
For the "MLX_Input" input, choose the PLC tag that you created during the robot
controller configuration in chapter 3.1.3. Type in the symbolic name.
Note
3.4.2
The index of the "AxesGroup" input can then be used to assign the robot to the
program blocks of the robot program in the SIMATIC.
MLxCommunicationWrite
The "MLxCommunicationWrite" (FB6060) block from the YASKAWA MotoLogix
transfers the data from the "YaskawaRobotMLX" data block to the robot defined via
the hardware address once the robot program has been processed in the SIMATIC
controller.
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Figure 3-22: Writing data to the robot
© Siemens AG 2020 All rights reserved
The inputs of this block are connected according to the function block
“MLxCommunicationRead" from section 3.4.1.
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3.4.3
Function blocks for robot movements
Now create the two function blocks "YaskawaControl" and "PickPlace" in the same
way as with "SiemensYaskawa".
© Siemens AG 2020 All rights reserved
Figure 3-23: Adding the function blocks
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3 Creating a program
3.5
"YaskawaControl" block
The "YaskawaControl" function block contains basic functions of the robot.
Table 3-1: "YaskawaControl" function overview
Functionality
Block
Switching on the robot drives
RobotEnable (FB8506)
Abort active commands
MLxStop (FB6052)
Acknowledge error
MLxReset (FB6014)
Control/query override
MLxSetGlobalParameters (FB6057)
Read current Cartesian position
YaskawaRobotMLX (DB7003)
Read current axis position
MLxCopyAxisDataToReal (FC6003)
Move the robot in jog mode by axes or
Cartesian
MLxRobotJogAxes (FB6024)
MLxRobotJogTCP (FB6026)
Teach position
TeachPosition (FB8501)
© Siemens AG 2020 All rights reserved
The function blocks are called as shown below:
Figure 3-24: "YaskawaControl" function calls
Yaskawa
Control
Robot
Enable
MLxReset
MLxSet
Global
Parameters
MLxCopy
AxisData
ToReal
MLxRobot
JogAxes
MLxRobot
JogTCP
Teach
Position
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3.5.1
RobotEnable
In the "RobotEnable" function block, the blocks for carrying out the startup and
shutdown sequence for clean activation/deactivation of the robot drives are called.
The following figure shows the sequence of function block calls for startup and
shutdown.
Figure 3-25: Startup and shutdown sequence
Command: Power On
Set
© Siemens AG 2020 All rights reserved
MLxEnable
Reset
MLxStop
Command: Power Off
Reset
MLxEnable
Set
MLxStop
Reset
Set
Timer
MLxAbort
MLxAbort
Status: Powered On
Status: Powered Off
For switching on the drives the block "MLxEnable" is called.
Figure 3-26: Switching on robot drives
The calls of the "MLxStop" and "MLxAbort" blocks are simultaneously reset. The
calls of these blocks are necessary for the shutdown sequence.
For shutdown, the "MLxEnable" block call is first reset, and the function block
"MLxStop" is called at the same time. This stops active commands and empties the
command buffer (see also chapter 3.5.2). After this block has reported the
successful completion of its function at the output MlxStop.Sts_DN, the block
"MLxAbort" is called after a time delay. This switches off the drives.
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Figure 3-27: Switching off robot drives
The time delay is necessary because the robot controller is not immediately ready
to receive new commands after the "MLxStop" block is executed. Immediate call of
the "MLxAbort" block leads to undesired behavior during shutdown as well as
subsequent startup processes.
3.5.2
MLxStop
The "MLxStop" block (FB6052) stops the active axis movements of all configured
axes and clears all commands in the command buffer.
© Siemens AG 2020 All rights reserved
Figure 3-28: Stopping active axis movements and clearing command buffer
3.5.3
MLxReset
With the help of the function block "MLxReset" (FB6014), the current error status of
a robot can be acknowledged. When this function block is executed, the command
buffer is also emptied.
Figure 3-29: Acknowledging error messages of the robot
3.5.4
Override
The override can be used to change the nominal setpoint speed of a motion
command that is currently active.
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The following example is provided to explain this concept in more detail.
Figure 3-30 shows the maximum speed and programmed speed, as well as the
speed with override, represented in percent of the maximum speed.
Figure 3-30: 50% override at 50% programmed velocity
Max. velocity
Programmed velocity
Override: 50%
Resulting velocity
Velocity
25%
50%
100%
If a travel command is defined at half the maximum possible velocity, the override
refers to this value. An override of 50% would therefore set the velocity of the robot
to a quarter of the maximum possible velocity.
The function block "MLxSetGlobalParameters" is used to control the override.
© Siemens AG 2020 All rights reserved
Figure 3-31: Defining override
Give the desired value in percent at the "ParameterValue" input. The value can be
between 0 and 150%. A value of higher than 100% increases the speed that
results from the speed defined in the movement command. If the resultant speed is
higher than the maximum possible speed for the robot, it will move at the maximum
possible speed.
In order to ensure that the robot's axial and Cartesian movements in jog mode
have the same speed, for instance, jog speeds resulting from the override are
calculated and then passed when the corresponding jog block is called.
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Figure 3-32: Jog speeds for axial and and Cartesian movements
The local constants "MAX_JOG_VEL_AXIS" and "MAX_JOG_VEL_BASE" are
used to adjust speeds. If needed, define a new value in percent.
© Siemens AG 2020 All rights reserved
3.5.5
Current Cartesian position
The current Cartesian position can be found in the self-created data block
"YaskawaRobotMLX" under "HMIFeedbackData.CurrentRobotTCPPosition" (see
also chapter 2.3.1).
3.5.6
MLxCopyAxisDataToReal
The function "MLxCopyAxisDataToReal" (FC6003) reads out the axis positions of a
defined robot configuration.
Figure 3-33: Readout of the current axis position
The storage location of the robot configuration whose axis position is to be read
should be indicated at the "AxisData" input (see also chapter 2.3.1). The current
axis positions are given in an array[0..7] via the InOut "RealOut".
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3.5.7
MLxRobotJogAxes
Using the function block "MLxRobotJogAxes" (FB6024), the individual axes of the
robot can be moved in jog mode.
Figure 3-34: Move robot axes individually in jog mode
© Siemens AG 2020 All rights reserved
Via the input "Directions" the robot axes can be rotated in the corresponding
direction. The direction of rotation for each axis is determined in an array[0..7] with
the following values:
•
0:
No movement
•
1:
Positive direction of rotation
•
-1:
Negative direction of rotation
The axis assignment can be seen in the following table (see also Figure 3-35).
Table 3-2: Axis assignment for axial movement in jog mode
Directions[n]
Robot axis
[0]
S
[1]
L
[2]
U
[3]
R
[4]
B
[5]
T
[6]
7th axis if existing
[7]
8th axis if existing
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Figure 3-35: Robot axes
© Siemens AG 2020 All rights reserved
3.5.8
MLxRobotJogTCP
The function block "MLxRobotJogTCP" (FB) can be used to move the Tool Center
Point (TCP), i.e. the tool tip in the Cartesian coordinate system.
Figure 3-36: Move robot with Cartesian jog mode
In the following you will find an overview of selected input signals for this block.
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Table 3-3
© Siemens AG 2020 All rights reserved
Input
Data type
Function
Directions
Array[0..7]
of DINT
Direction of rotation of the respective
axis
•
0:
No movement
•
1:
Positive direction of
rotation
•
-1:
Negative direction of
rotation
Speed
REAL
TCP travel speed
UseRotationalSpeed
BOOL
Unit of the speed parameter
•
0: linear units/s
•
1: Degrees/s
SpeedUnits
DINT
Absolute or percentage value for
speed
•
0: In percent of maximum speed
•
1: Absolute indication in units/s
CoordFrame
DINT
Selection of reference frame
•
0: World Frame
•
1: Tool Frame
•
2: User Frame
Directions
Similar to the control of the function block "MLxRobotJogAxes", the respective axes
are controlled via an array[0..7] with the desired directions of rotation.
Table 3-4: Axis assignment for Cartesian movement in jog mode
Directions[n]
Robot axis
[0]
X
[1]
Y
[2]
Z
[3]
Rx
[4]
Ry
[5]
Rz
[6]
Re
[7]
Ignored
When controlling a robot with seven axes, "Re" is used to unambiguously
determine axis positions for spatial positions which can be achieved with multiple
axis positions.
The assignment of further axis numbers is shown in the figure below.
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Figure 3-37: Cartesian robot position
© Siemens AG 2020 All rights reserved
Speed, UseRotationalSpeed and SpeedUnits
The value defined at the "Speed" input is interpreted differently depending on the
parameterization of the inputs "UseRotationalSpeed" and "SpeedUnits".
Using the "UseRotationalSpeed" input you can define whether the given speed is
to be interpreted as linear path speed (mm/s) or rotational speed of the axes
(degrees/s).
Using the "SpeedUnits" input you can define whether the given speed is to be
interpreted in absolute units or as a percentage.
CoordFrame
The input "CoordFrame" defines which coordinate system the robot will move in
reference to. The following options are available for selection.
•
World coordinate system (world frame)
–
•
Active tool coordinate system (tool frame)
–
•
The world coordinate system is located at the origin point of the robot arm
(see Figure 3-37) and cannot be edited. The active tool is moved,
independently of the active base coordinate system, in the direction of the
world coordinate system axes.
The active tool is moved in the direction of the axes of its own coordinate
system. Thus, for example, movements in the direction of action of the tool
are possible.
Active, user-defined base coordinate system (user frame)
–
The active tool is moved in the direction of the axes of the active, userdefined base coordinate system. The position and orientation of this
coordinate system can differ from that of the world coordinate system,
depending on the user configuration.
If a jog function is called during an active movement, the active and buffered
commands are aborted, the robot is braked and the drives are switched off with an
error message. The error message must then be acknowledged. When
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3 Creating a program
acknowledging via the "MLxReset" function block (see also chapter 3.5.3), the
drives are automatically restarted but the movement is not resumed.
3.5.9
TeachPosition
The function block "MC_TeachPosition" (FB407) is used to teach in the current
position of the robot.
Figure 3-38: Teaching positions
© Siemens AG 2020 All rights reserved
The position and the current coordinate system to which the Cartesian position
refers are stored in the data block "YaskawaRobotPositions" (DB7003).
Figure 3-39: Storage location of taught positions
The storage location of the data in the position array of the data block is defined in
the "Index".
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3.6
Block "PickPlace"
The function block "PickPlace" contains an Example Program in the form of a
simple pick & place application. The robot goes through the following movement
profile with the corresponding intermediate positions:
•
Initial position
•
Pick position
•
Place position
•
Initial position
Figure 3-40: Movement sequence of the simple pick & place application
The following table contains the functionalities used for this.
© Siemens AG 2020 All rights reserved
Table 3-5: "PickPlace" function overview
Functionality
Function block
Cancel active and buffered commands
MLxStop (FB507)
Interrupt active and buffered commands
MLxHold (FB504)
Resume active and buffered commands
MLxRestart (FB503)
Move robot axes to a defined position
MLxRobotMoveAxisAbsolute (FB508)
Move the robot in a linear path to a
Cartesian position
MLxRobotMoveLinearAbsolute (FB511)
The positions to be approached are located in the data block
"YaskawaRobotPositions" in the following memory cells:
•
YaskawaRobotPositions.Points[1]
•
…
•
YaskawaRobotPositions.Points[5]
The blocks are called as shown below.
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Figure 3-41: "PickPlace" program sequence
PickPlace
MLxStop
MLxHold
MLxRestart
MLxRobot
Move
Axis
Absolute
MLxRobot
MoveLinear
Absolute
MLxRobot
MoveLinear
Absolute
© Siemens AG 2020 All rights reserved
…
MLxRobot
MoveLinear
Absolute
3.6.1
MLxRobot
MoveLinear
Absolute
MLxHold
Active commands can be paused using the "MLxHold" function block (FB6010).
The robot controller switches to the "Held" state when this block is called (see also
chapter 2.3.1).
Figure 3-42: Pause active movement
Before new commands can be processed, the block "MLxRestart" must be called in
order to change into the "Running" state.
Note
In the "Held" state, commands that are transmitted are not process and are
ignored by the robot controller.
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3.6.2
MLxRestart
Call the "MLxRestart" block (FB6016) in order to switch back into the "Running"
state and resume paused programs after the "MLxHold" block has been called.
Figure 3-43: Resuming paused movement
Danger for persons and machines
Is an active movement is paused, it will be resumed immediately once the
"MLxRestart" block is called. Therefore, before calling the block, check the
robot's immediate area in order to prevent potential collisions with persons or
parts of the plant.
© Siemens AG 2020 All rights reserved
WARNING
3.6.3
Define blend behavior
The following parameters are used to define how successive motion commands
are to be processed:
•
BlendFactor
•
BlendType
These parameters are specified at the inputs of each individual motion block. If the
behavior of a path is to be identical for all segments, tags can be created for this
purpose. These are assigned fixed values as shown below.
Figure 3-44: Define blend parameters
When a block is called, these tags are linked at the corresponding inputs.
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Table 3-6: Parameters for defining the blend operation (see also Figure 3-45)
© Siemens AG 2020 All rights reserved
Parameters
Description
BlendFactor
Defines the maximum allowable blend
radius
•
-1:
Blend radius is calculated by the
robot controller for maximum
dynamics
•
0:
No blends; target point is
approached directly
•
1-8:
Selection of blend radii defined in
robot controller
BlendType
Defines from which position the blend path
is calculated
•
0:
Calculation on the basis of the
computed current position
•
1:
Calculation on the basis of the real
current position
Example
Because all transmitted commands are buffered, the curve to be blended only
needs to be defined between the transmitted positions with the help of the
"BlendFactor" parameter. The following sketch shows the differing trajectories for
corresponding parameter definitions.
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Figure 3-45: Trajectory of the blended linear movements
P2
P3
BlendFactor 0
BlendFactor 1
BlendFactor 8
BlendFactor -1
© Siemens AG 2020 All rights reserved
P1
The blend distances of "BlendFactor" 1 to 8 are defined in the robot controller and
are merely assigned when the block is called. The blend distances are predefined
in the robot controller in millimeters and can be edited in the robot controller if
needed. To do this, please refer to the YASKAWA handbook (chapter 5.4 \9\) or
contact YASKAWA support.
When defining the blend behavior, the blend behavior is defined for the next
segment on the current segment. In Figure 3-45 the blend behavior shown is
defined once the movement command to P2 is called.
For a correct blend, there must be a minimum of three movement commands in the
command buffer. If fewer than three commands are transmitted, unexpected
behavior may result, for example the omission of the blend.
NOTICE
Unexpected block behavior
If the last segment of a path is defined with active blending (BlendFactor ≠ 0), the
robot will end its movement when it reaches its target point (as with BlendFactor
0). However, the "Sts_PC" signal (process complete) is already set before the
robot has completed its active movement. When programming step enabling
conditions with the "Sts_PC" signal, be aware that blending for the final segment
of a path must not be activated.
The "BlendType" parameter determines which position data will be taken as the
basis for calculating the blending curve. Here, the robot controller makes a
distinction between a computed (mathematical) position and the real position that is
reported back. The computed position data are used by default. For applications
such as conveyor tracking, the real position data must be used. For more
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information, please refer to the YASKAWA handbook (chapter 5.4 \9\) or contact
YASKAWA support.
3.6.4
MLxRobotMoveAxisAbsolute
For the motion sequence of the robot, the function block
"MLxRobotMoveAxisAbsolute (FB6028) is first called to bring the robot arm into a
base position. This movement block moves all axes of the robot to the axis values
defined by the user, or moves the axes as fast as possible into a Cartesian
position. The positions of each individual axis or the matching spatial coordinates
must be given to the block as a position. The "TargetPosition" structure contains
axis position values and spatial position values together.
Figure 3-46: MLxRobotMoveAxisAbsolute
MLxRobotMoveAxisAbsolute
Enable
Sts_EN
Bool
DInt
RobotNumber
Sts_DN
Bool
"MLxAppDataTeachPoint"
TargetPosition
Sts_IP
Bool
© Siemens AG 2020 All rights reserved
Bool
Bool
TargetType
Sts_AC
Bool
DInt
BlendFactor
Sts_PC
Bool
Bool
BlendType
Sts_ER
Bool
Real
Speed
Percent
Complete
Byte
Real
Acceleration
Real
Deceleration
MLX
"MLxData"
"MLxData"
Table 3-7: Parameters of MLxRobotMoveAxisAbsolute
Name
P type
Data type
Comment
Enable
IN
Bool
Call function block
RobotNumber
IN
DInt
Number of robot configurations to be
controlled (see also chapter 2.3.1).
Valid input values: 0 to
MLX[].NumberOfRobots-1.
TargetPosition
IN
"MLxAppData
TeachPoint"
Target position.
TargetType
IN
Bool
Selection of axis or Cartesian target
definition:
0= axis, 1= Cartesian
Defines which data are used at the
"TargetPosition" input in the
MLxAppDataTeachPoint structure.
BlendFactor
IN
DInt
Defines blending behavior on
subsequent movement (see also
chapter 3.6.1).
Valid input values: 0-8.
BlendType
IN
Bool
Defines blending behavior on
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Name
P type
Data type
Comment
© Siemens AG 2020 All rights reserved
subsequent movement (see also
chapter 3.6.1).
Valid input values: 0-1.
3.6.5
Speed
IN
Real
Axis speed in % of maximum speed
Acceleration
IN
Real
Axis acceleration in % of maximum
acceleration
Valid input values: 20 to 100%
Deceleration
IN
Real
Axis braking in % of maximum braking
Valid input values: 20 to 100%
Sts_EN
OUT
Bool
"Enable" bit
Is set as long as the Enable input is set.
Sts_DN
OUT
Bool
"Done" bit
Is set as soon as a command from the
robot controller is accepted and has
been added to the command buffer.
The Enable input must remain set until
this bit is set.
Sts_IP
OUT
Bool
"In process" bit
Is set as long as this command is being
processed. However, a different
command can still control the active
axis movement.
Sts_AC
OUT
Bool
"Active" bit
Is set as long as the axes are in
movement due to this command.
Sts_PC
OUT
Bool
"Process complete" bit
Is set when the movement has been
completed successfully.
Sts_ER
OUT
Bool
"Error" bit
Is set if an error occurs during
execution of the command. For more
detailed information, call the
MLxGetErrorDetail block.
PercentComplete
OUT
Byte
Proportion (in %) of the movement
which has been completed.
MLX
IN_OUT
"MLxData"
Data structure of the robot to be
controlled (see also chapter 2.3.1).
MLxRobotMoveLinearAbsolute
The other positions of the robot are approached linearly using the function block
"MLxRobotMoveLinearAbsolute" (FB6034). The robot controller interpolates a
straight path between the current position and the target position. During such a
movement, the robot always moves its tool along the shortest (but not necessarily
the fastest) path to the target point.
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Figure 3-47: MLxRobotMoveLinearAbsolute
MLxRobotMoveLinearAbsolute
Bool
Enable
Sts_EN
Bool
DInt
RobotNumber
Sts_DN
Bool
"MLxAppDataTeachPoint"
TargetPosition
Sts_IP
Bool
Bool
TargetType
Sts_AC
Bool
DInt
BlendFactor
Sts_PC
Bool
Bool
BlendType
Sts_ER
Bool
Real
Speed
Percent
Complete
Byte
Bool
UseRotational
Speed
DInt
SpeedUnits
Real
Acceleration
Real
Deceleration
MLX
© Siemens AG 2020 All rights reserved
"MLxData"
"MLxData"
Table 3-8: Parameters of MLxRobotMoveLinearAbsolute
Name
P type
Data type
Comment
Enable
IN
Bool
Start function block.
RobotNumber
IN
DInt
Number of robot configurations to
be controlled (see also chapter
2.3.1).
Valid input values: 0 to
MLX[].NumberOfRobots-1.
TargetPosition
IN
"MLxAppData
TeachPoint"
Target position.
TargetType
IN
Bool
Selection of axis or Cartesian target
definition:
0= axis, 1= Cartesian
Defines which data are used at the
"TargetPosition" input in the
MLxAppDataTeachPoint structure.
BlendFactor
IN
DInt
Defines blending behavior on
subsequent movement (see also
chapter 3.6.1).
Valid input values: 0-8.
BlendType
IN
Bool
Defines blending behavior on
subsequent movement (see also
chapter 3.6.1).
Valid input values: 0-1.
Speed
IN
Real
TCP travel speed
UseRotationalSpeed
IN
Bool
Unit of the speed parameter
•
0: linear units/s
1: Degrees/s
SpeedUnits
IN
DInt
Absolute or percentage value for
speed
•
0: In percent of maximum
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Name
P type
Data type
Comment
© Siemens AG 2020 All rights reserved
speed
1: Absolute indication in units/s
Acceleration
IN
Real
Axis acceleration in % of maximum
acceleration
Valid input values: 20 to 100%
Deceleration
IN
Real
Axis braking in % of maximum
braking
Valid input values: 20 to 100%
Sts_EN
OUT
Bool
"Enable" bit
Is set as long as the Enable input is
set.
Sts_DN
OUT
Bool
"Done" bit
Is set as soon as a command from
the robot controller is accepted and
has been added to the command
buffer. The Enable input must
remain set until this bit is set.
Sts_IP
OUT
Bool
"In process" bit
Is set as long as this command is
being processed. However, a
different command can still control
the active axis movement.
Sts_AC
OUT
Bool
"Active" bit
Is set as long as the axes are in
movement due to this command.
Sts_PC
OUT
Bool
Axis acceleration in % of maximum
acceleration
Sts_ER
OUT
Bool
Axis braking in % of maximum
braking
PercentComplete
OUT
Byte
Proportion (in %) of the movement
which has been completed.
MLX
IN_OUT
"MLxData"
Data structure of the robot to be
controlled (see also chapter 2.3.1).
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3.7
Operation
When the HMI is loaded or simulated via runtime, the interface shown below
opens.
Figure 3-48: Start screen of the user interface.
1
© Siemens AG 2020 All rights reserved
2
4
3
The numbered image sections are described individually below.
3.7.1
Status bar and Override
The status bar contains basic information about the status of the robot as well as
the control of the override.
Figure 3-49: Status bar
1
2
3
4
1. "State" collectively indicates whether there is an error at the robot or the
MotoLogix interface.
2. "Power" indicates whether the robot drives are switched on.
3. "Interpreter" displays the current state of the MotoLogix interface (see also
chapter 2.3.1)
4. "Override" shows the currently set value. The buttons on the left and right of
the display control the override.
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3.7.2
Control functions
The control functions can be used to control administrative functions of the robot.
Figure 3-50: Control functions
1
2
3
© Siemens AG 2020 All rights reserved
4
5
1. "Power On" switches on the robot.
2. "Power Off" switches off the robot.
3. "Reset" acknowledges all pending error messages. If an error message is
pending, the robot switches off and cannot be switched on again until the error
has been acknowledged.
4. "Abort" aborts all active and buffered commands, such as the example
programs.
5. Starts the offline program "PickPlace" described in chapter 3.6. When the
button is pressed, the entire Example Program is run.
Note
After completion of a jog command the robot controller is not immediately ready
again to receive new commands, such as the offline "PickPlace" program. In
order to prevent undesired behavior, for a certain time interval the button will not
be clickable at the start of the offline program following completion of a jog
command. Figure 3-50 shows the button's appearance when it is deactivated.
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3.7.3
Jogging the robot
The robot can be moved in either an axial or Cartesian manner in jog mode. To do
this, the corresponding tab must be selected by pressing on it as shown below.
Figure 3-51: Axial robot jogging
1
2
© Siemens AG 2020 All rights reserved
3
4
1. Press one of the two buttons to switch to the corresponding jog mode. "Jog in
Axis" moves the robot axially. With "Jog in Base", the robot is moved along the
coordinate axes. The inactive mode is grayed out.
2. Use the Plus and Minus buttons to move the corresponding axis (here, L) in
the positive or negative direction.
3. The "TEACH" button saves the current position. The index is defined via "Point
No.". When the operation is completed successfully, "Done" lights up. In the
event of a fault, "Error" lights up.
4. "Axis Overview" shows the assignment of the axis numbers to the actual axes
of the robot arm.
The following illustration shows the view for Cartesian jogging.
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Figure 3-52: Cartesian robot jogging
1
2
© Siemens AG 2020 All rights reserved
The operation is identical to the jogging of the individual axes of the robot.
1. The plus and minus buttons are used to move in a positive or negative
direction along the corresponding Cartesian axis. The parameters RZ, RY and
RX control the rotation around the respective axes.
2. "Axis Overview" shows the coordinate systems of the robot. Movement occurs
in line with the World coordinate system, which is stored in the root of the robot
arm.
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3.8
Error handling
In the following section, you will find some typical error cases and solutions to
rectify them.
3.8.1
HMI only shows rhombuses
Problem
On the user interface, rhombuses are displayed instead of the robot data.
Solution
The rhombuses indicate that the HMI has no connection to the SIMATIC controller.
If you are using a real panel, check whether the PROFINET connection to the
panel exists. First check the cable connection to your SIMATIC controller. If there is
no error here, terminate the runtime on the panel and open the system settings.
Select "PROFINET" and make sure that the check mark "PROFINET IO enabled"
is set.
© Siemens AG 2020 All rights reserved
If you are using a runtime on your local machine, check that the PG/PC interface is
configured correctly. To do this, select the HMI in the project tree in the TIA portal
Portal and open "Connections".
Figure 3-53: HMI connection
Check the configured access point of the HMI. Now open the Windows Control
Panel and select "Configure PG/PC Interface". In the window that opens, select the
access point in the drop-down menu (here: S7ONLINE) and assign the interface
that is connected to the SIMATIC controller.
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© Siemens AG 2020 All rights reserved
Figure 3-54: Configuring the PG/PC interface
3.8.2
MotoLogix interface is not initialized
Problem
After a change of IP addresses, the telegram addresses of the GSDML file or the
tag addresses of "MLx_0_Input" and/or "MLx_0_Output", the PROFINET
connection to the robot is still established but the robot cannot be moved. The data
in the "YaskawaMLX" data block are no longer refreshed.
Solution
Carry out a Stop-Start of the PLC in order to re-read the address data to the
"MLxCommunicationRead" and "MLxCommunicationWrite" blocks.
Check whether the telegram address ranges of the in- and output modules
configured in the hardware configuration match the addresses of the PLC tags
"MLx_0_Input" and "MLx_0_Output".
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4 Advanced fundamentals and additional functions
4
Advanced fundamentals and additional
functions
This chapter is intended to give you a brief overview of additional functions that go
beyond the basic control of a YASKAWA industrial robot using the YASKAWA
MotoLogix library. Additionally, you will find the information what needs to be
considered by the selection of the correct CPU.
4.1
Selection of the correct CPU
The SIMATIC Robot Integrator is basically designed for controllers of the SIMATIC
S7-1500 series. The required size of the controller depends above all on the
number of robots used, the respective robot positions and the trajectory paths to be
traversed, as these are stored remanently. Therefore, the retentive memory of the
controller must be large enough for the respective application. However, the
retentive memory can also be increased by a corresponding power supply module,
whereby even smaller controllers can theoretically store more robot positions and
thus control several robots. The number of robots and positions can be set in the
user constants of the PLC data types.
© Siemens AG 2020 All rights reserved
If an additional safety device is to be integrated in the control system, a SIMATIC
S7-1500F controller is required.
4.2
Safety Integrated
The robot controller's hardware configuration contains not only the telegrams for
standard communication but also a telegram for the PROFIsafe communication.
This can be used for controlling YASKAWA-specific safety functions. For further
information on this topic, please contact YASKAWA.
4.3
Diagnostic messages
Via the YASKAWA MotoLogix function block library, the robot controller transmits
alert numbers as well as "Sub codes" which provide more detail on the pending
error. The text messages of the "Sub codes" are transmitted directly as Strings with
their corresponding alarm number as DINT via the "MLxGetErrorDetail" block. To
show these alarms together with the system integrated PLC alarms the alert
numbers must be assigned to text messages using a text list. This text list is not
included in the library's scope of delivery.
In the more extensive application example (see 5.1), there is a corresponding text
list and all error messages are populated in the PLC alerts.
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5 Appendix
5
Appendix
5.1
SIMATIC Robot Integrator
In addition to the Getting Started example described here, there is also a more
extensive example, the SIMATIC Robot Integrator. This can be requested from a
local Siemens representative or via a service request with the specification of the
product “SIMATIC Robot Integrator”.
The SIMATIC Robot Integrator is designed so that it can be used directly on a real
machine because of its functionality. The visualization on the SIMATIC panel
accordingly offers significantly more operating options. The following functions, in
addition to others, are included in addition to the functions described in the basic
example:
Table 5-1: Additional functions of the SIMATIC Robot Integrator
© Siemens AG 2020 All rights reserved
Function
Description
More detailed diagnostic data
The status messages on the user interface
are more detailed.
Individual movements
The robot can move to the desired position
via the user interface in either an axial or
Cartesian manner.
Online programming
Robot programs can be programmed
directly via the user interface.
Configuration
Tool or base coordinate systems can be
viewed and modified via the user interface.
Error messages
Error codes are output as text messages on
the user interface using a text list.
Figure 5-1: Start screen of the SIMATIC Robot Integrator YASKAWA
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5 Appendix
5.2
Service and support
Industry Online Support
Do you have any questions or need assistance?
Siemens Industry Online Support offers round the clock access to our entire
service and support know-how and portfolio.
The Industry Online Support is the central address for information about our
products, solutions and services.
Product information, manuals, downloads, FAQs, application examples and videos
– all information is accessible with just a few mouse clicks:
https://support.industry.siemens.com
Technical Support
The Technical Support of Siemens Industry provides you fast and competent
support regarding all technical queries with numerous tailor-made offers
– ranging from basic support to individual support contracts. Please send queries
to Technical Support via Web form:
www.siemens.com/industry/supportrequest
© Siemens AG 2020 All rights reserved
SITRAIN – Training for Industry
We support you with our globally available training courses for industry with
practical experience, innovative learning methods and a concept that’s tailored to
the customer’s specific needs.
For more information on our offered trainings and courses, as well as their
locations and dates, refer to our web page:
www.siemens.com/sitrain
Service offer
Our range of services includes the following:
•
Plant data services
•
Spare parts services
•
Repair services
•
On-site and maintenance services
•
Retrofitting and modernization services
•
Service programs and contracts
You can find detailed information on our range of services in the service catalog
web page:
https://support.industry.siemens.com/cs/sc
Industry Online Support app
You will receive optimum support wherever you are with the "Siemens Industry
Online Support" app. The app is available for Apple iOS, Android and Windows
Phone:
https://support.industry.siemens.com/cs/ww/en/sc/2067
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5 Appendix
5.3
Contact partners
Here you can find the contact information for further questions about YASKAWA
industrial robots and the YASKAWA MotoLogix block library, or to request the
necessary YASKAWA documentation.
5.3.1
YASKAWA
YASKAWA Europe GmbH
Robotics
Yaskawastrasse 1
85391 Allershausen, Germany
Sales:
Phone: +49 8166 90 2002
Fax: +49 8166 90 225
Email: tcs-sales@yaskawa.eu.com
© Siemens AG 2020 All rights reserved
Service & Support:
Phone: +49 1805 76 26 83
Fax: +49 8166 90 225
Email: tcs@yaskawa.eu.com
Web:
https://www.yaskawa.eu.com/en/products/robotics/
motoman-robots/
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5 Appendix
5.4
Links and literature
Table 5-2
No.
Topic
\1\
Siemens Industry Online Support
https://support.industry.siemens.com
\2\
Link to the entry page of the application example with YASKAWA robot
Getting Started YASKAWA
https://support.industry.siemens.com/cs/ww/en/view/109772216
\3\
Link to the article page of the application example with KUKA robot
Getting Started KUKA
https://support.industry.siemens.com/cs/document/109482123
\4\
Link to the article page of the application example with STÄUBLI robot
Getting Started STÄUBLI
https://support.industry.siemens.com/cs/document/109762450
\5\
Link to the article page of the application example with DENSO robot
Getting Started DENSO
https://support.industry.siemens.com/cs/ww/en/view/109761432
© Siemens AG 2020 All rights reserved
Siemens SIMATIC S7
\6\
SIMATIC STEP 7 Basic/Professional V15 and SIMATIC WinCC V15
System manual
Edition: 12/2017
Document ID: Printout of the online help
Order number: https://support.industry.siemens.com/cs/document/109755202/simatic-step-7-basicprofessional-v15-1-and-simatic-wincc-v15-1?dti=0&lc=en-WW
\7\
SIMATIC PROFINET system description
System manual
Edition: 03/2012
Document ID: A5E00298287-06
Order number: https://support.industry.siemens.com/cs/ww/en/view/19292127/
YASKAWA MotoLogix
\8\
YASKAWA Robotics
https://www.yaskawa.eu.com/en/products/robotics/motoman-robots/
\9\
YASKAWA ROBOTICS
MotoLogix
Common Section
Software and Operation Instructions
Edition: 11/2015
Revision: 02
Order number: This documentation comes with the MotoLogix library.
\10\
YASKAWA ROBOTICS
MotoLogix
Siemens TIA Portal s7-1500
PLC Manual
Edition: 05/2018
Revision: 02
Order number: This documentation comes with the MotoLogix library.
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5 Appendix
5.5
Change documentation
Table 5-3
Date
Change
V1.0
04/2020
First edition
V1.1
08/2020
Revision and Updating
© Siemens AG 2020 All rights reserved
Version
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