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GTW enAD C6a

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Gateway & WACU
Addendum to Technical Manual
System version: from 5.1.0 to 5.1.10
GTW/EN AD/C6a
WARNING
This Addendum added to the Technical Manual that it complements give instructions for installation,
commissioning and operation of the DS Agile Gateway & WACU. However, the guide cannot cover all
conceivable circumstances or include detailed information on all topics. In the event of questions or
specific problems, do not take any action without proper authorization. Please, contact the appropriate
Alstom technical sales office and request the necessary information.
Refer to the System Release Notes for new features.
Any agreements, commitments, and legal relationships and any obligations on the part of Alstom,
including settlement of warranties, result solely from the applicable purchase contract, which is not
affected by the contents of the guide.
DS Agile Gateway & WACU
Addendum to Technical Manual
Contents
1
SCOPE OF THE DOCUMENT
2
CHANGES TO THE FUNCTIONAL DESCRIPTION CHAPTER (GTW/EN FT) 4
2.1
Section 4.1 – Telecontrol Bus: Cancels and replaces the existing section.
4
3
CHANGES TO THE APPLICATION CHAPTER (GTW/EN AP)
7
3.1
Section 4.6.1.5 – Setting the Specific Attributes of a T104 SCADA Network:
Cancels and replaces the existing section.
7
GTW/EN AD/C6a
3
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1
Addendum to Technical Manual
SCOPE OF THE DOCUMENT
The present document is an addendum to the DS Agile Gateway & WACU Technical Manual
ref. GTW/EN M/C60 (system version 5.1.0).
It covers a feature added to the system between system version 5.1.9 and system version 5.1.10:
The DS Agile Gateway can now manage up to 4 SCADA clients per IEC 60870-1-104 (T104) protocol, up
from a maximum of 2 in previous versions.
The changes are presented as standard "cancels and replaces" existing sections as well as a "new" section
in the two chapters impacted by the system's evolutions:
 Functional Description chapter:

Section 4.1.1 – New section describing how the active link selected
 Application chapter:

Section 4.6.1.5 – Add note on IP address uniqueness
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2
CHANGES TO THE FUNCTIONAL DESCRIPTION CHAPTER
(GTW/EN FT)
2.1
SECTION 4.1 – TELECONTROL BUS:
CANCELS AND REPLACES THE EXISTING SECTION.
4
COMMUNICATION LAYER
4.1
TELECONTROL BUS
DS Agile Gateway behaves as a slave into master/slave protocol. The chapter GTW/EN CT gives the
associated companion standard or supported function.
Protocols:
 IEC 60870-5-101 (T101)
 IEC 60870-5-104 (T104)
 Modbus MODICON
 DNP3
 OPC (OLE for Process Control)
 IEC 61850-8-1
Link layer:
 RS 232 for Modbus, IEC 60870-5-101 (T101) and DNP3.0
 Ethernet 10 or 100 Mbps for IEC 61850-8-1, T104 and OPC
Physical support:
 Copper (DB9 connector): Delivered by default.
 Optical fiber (multimode or single mode): Optional Ethernet board with fibre optic interface.
Number of communication links:
For each DS Agile Gateway, up to four different protocols can be configured.
Each protocol can manage:
 up to 4 channels for IEC 60870-5-104 (T104)
 up to 2 channels for all other protocols
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4.1.1
Addendum to Technical Manual
IEC-60870-1-104 (T104) MULTI-CLIENT PROCESS
A DS Agile Gateway can manage up to 4 T104 SCADA protocols.
Each protocol can communicate with up to 4 SCADA front ends, i.e. 1 active channel and up to 3 standby
channels.
If the Gateway is redundant, each protocol can communicate with up to 8 SCADA front ends:
 1 active channel on the active Gateway
 3 standby channels on the active Gateway
 4 standby channels on the standby Gateway
Each protocol is identified by a unique IP Address, defined in the configuration database. A channel
becomes active when it receives a STARTDT interrogation signal from its associated SCADA front end. It will
then send a STARTDT confirmation and start transmitting the configured information.
When this happens the previously active channel switches to standby mode and only answers TESTFR
frames from its associated SCADA front end.
T104 Client 1
Front
end 1
Front Front
end 2 end 3
T104 Client 2
Front
end 4
IP interfaces
Front
end 1
Front Front
end 2 end 3
T104 Client 3
Front
end 4
Front Front Front
end 1 end 2 end 3
T104 Client 4
Front
end 4
Unique
Unique
Unique
IP address for
IP address for
IP address for
protocol 1
protocol 2
protocol 3
T104
T104
T104
protocol 1
protocol 2
protocol 3
for
for
for
Client 1
Client 2
DS Agile Client 3
Front Front Front
end 1 end 2 end 3
Front
end 4
Unique
IP address for
protocol 4
T104
protocol 4
for
Client 4
Gateway
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Figure x: Multi-client block diagram
T104 Client 1
Front
end 1
Front
end 2
Front
end 3
T104 Client 2
Front
end 4
Front
end 1
Front
end 2
Front
end 3
Front
end 4
IP interfaces
Redundant
link/interface
Unique
IP address for
main
protocol 1
Main
T104
protocol 1
for
Client 1
Unique
IP address for
main
protocol 2
Main
T104
protocol 2
for
Client 2
Active
Gateway
Unique
IP address for
redundant
Redundant protocol 1
T104
protocol 1
for
Client 1
Unique
IP address for
redundant
Redundant protocol 2
T104
protocol 2
for
Client 2
Standby
Gateway
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Figure x: Redundancy block diagram
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Priorities
Each received STARTDT signal activates the corresponding client connection. There is no minimum “active”
time for a connection: If 2 or more clients try to simultaneously interrogate the Gateway, the last STARTDT
signal to be received will determine which connection remains active.
Note:
This function is totally independent from the Local/Remote Taking Control function.
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3
CHANGES TO THE APPLICATION CHAPTER (GTW/EN AP)
3.1
SECTION 4.6.1.5 – SETTING THE SPECIFIC ATTRIBUTES OF A T104
SCADA NETWORK: CANCELS AND REPLACES THE EXISTING SECTION.
4
DEFINING A DS AGILE GATEWAY CONFIGURATION IN THE
SYSTEM HERARCHY
…
4.6
NETWORKING A SCADA ON A GATEWAY’S SCADA NETWORK
…
4.6.1
CREATING A SCADA NETWORK
…
4.6.1.5
SETTING THE SPECIFIC ATTRIBUTES OF A T104 SCADA NETWORK
When adding a SCADA network, the supported protocol must be updated (1). Here, set it to ‘T104’. For this
protocol an additional attribute 'time reference' (2) is displayed and has to be set. Available values for this
attribute are UTC or local. This attributes defines which time reference is used to stamp events transmitted to
SCADA.
(1)
(2)
Figure 1: Setting the protocol type of a T104 SCADA network
When setting a T104 SCADA network, some specific attributes available for the protocol must be updated
(Protocol and SOE tabbed panes):
(1) TCP/IP address of the protocol
Note:
If you define several T104 protocols (maximum 4), make sure that each TCP/IP address is unique.
(2) ASDU common address (range [1, 65534], step 1)
(3) information object length (Address on 8 bits.16 bits / Address on 16 bits.8 bits / Address on 8
bits.8 bits.8 bits / Address on 24 bits (3 bytes))
(4) MV periodic cycle (in s) (range [0 s, 65534 s], step 1 s)
(5) background scan cycle (s) (range [0 s, 65535 s], step 1 s)
(6) t0: connection establishment time out (s) (range [1 s, 255 s], step 1 s)
(7) t1: APDUs send or test time out (range [1 s, 255 s], step 1 s)
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(8) t2: acknowledges in case of no data time out (s) (range [1 s, 255 s], step 1 s)
(9) t3: test frame sending in case of long idle state time out (s) (range [1 s, 255 s], step 1 s)
(10) k: window size of transmitted unacknowledged frames (range [1, 255], step 1)
(11) w: window size of acknowledged received frames (range [1, 255], step 1)
(12) max command delay (s) (range [0 s, 32767 s], step 1 s)
(13) quality value for ‘Jammed' state: (Valid/ Invalid) this attribute defines the value of the Quality
Descriptor field when the event to transmit is an xPS in the 'Jammed' State
(14) quality value for toggling xPS( BL only (blocked) / IV only (invalid): this attribute defines the value
of the Quality Descriptor field when the event to transmit is an xPS in the ‘Toggling’ state.
(15) quality value for 'unknown' state: (Not topical/ Not topical and IV invalid) this attribute defines the
value of the Quality Descriptor field when the event to transmit is an xPS in the 'Unknown' state
(16) SOE file support (No / Yes (Standard) / Yes (Microsol)): set to ‘Yes’ if SOE file management is
supported by the SCADA; then you must select CP56Time2A as binary time size
(17) SOE file base address: this attribute is significant only if SOE file support is not set to No.
(18) SOE file nb max of events (range [10,4200], step 1): this attribute is significant only if SOE file
support is not set to No.
(19) nb max of SOE files (range [1,99], step 1): this attribute is significant only if SOE file support is not
set to No.
(20) Disturb file support (No / Yes): this attributes defines if the disturbance file is managed. If set to
Yes the following attribute is significant and has to be updated
(21) Disturb file base address: address of the datapoint that is SET when a new disturbance file
becomes available (this attribute is significant only if Disturb file support is set to Yes).
(22) nb max of Disturb files (range [1,99], step 1): maximum number of disturbance files stored on the
Gateway
(23) Buffer overflow support (No / Yes): this attributes defines if the buffer overflow is managed. If set
to Yes the following attribute is significant and has to be updated.
(24) Buffer overflow address (range/format as defined by the setting for (3) information object length
in the Protocol tab-pane): this attributes defines the address of the buffer overflow datapoint sent to
SCADA.
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Addendum to Technical Manual
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
Figure 22: Setting the protocol and SOE attributes of a T104 SCADA network
Configuration rules and checks
 The following constraints between the attributes must be respected:
"SOE file nb of events" > "'full' SOE file nb of events"
"t2" < "t1"
"t3" > "t1"
"w"  "k"
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Alstom Grid
© - ALSTOM 2015. All rights reserved.
Information contained in this document is
indicative only. No representation or warranty
is given or should be relied on that it is
complete or correct or will apply to any
particular project. This will depend on the
technical and commercial circumstances. It is
provided without liability and is subject to
change without notice. Reproduction, use or
disclosure to third parties, without express
written authority, is strictly prohibited.
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