TECHNICAL BULLETIN
[1/5]
[Issue No.] FA-A-0192-A
[Title] Considerations for opening SFC programs in GX Works2 format with GX Works3
[Date of Issue] August 2015 (Ver. A: January 2016)
[Relevant Models] GX Works3
Thank you for your continued support of Mitsubishi Integrated FA Software MELSOFT Series.
The following explains the considerations for opening SFC programs (MELSAP3/MELSAP-L) in GX Works2
format with GX Works3.
Some restrictions apply when opening SFC programs in GX Works2 format with the specific version of GX
Works3. The restrictions and corresponding methods are written below.
For the operations to open SFC programs in GX Works2 format, refer to the GX Works3 Operating Manual.
1. TARGET SOFTWARE
There are restrictions on the following versions.
Product name
Version
GX Works3
Version 1.015R*1 to Version 1.019V
*1: This is the version that supports SFC. SFC programs cannot be read with the versions earlier than Version 1.015R.
2. RESTRICTIONS AND CORRESPONDING METHODS
Some restrictions apply when opening SFC programs (MELSAP3/MELSAP-L) including the following
blocks in GX Works2 format with a target version of GX Works3.
• A block including multiple initial steps
• A block including jumps
Please use Version 1.020W or later, when opening SFC programs in GX Works2 format with GX Works3.
To obtain the latest version of GX Works3, please consult your local Mitsubishi representative.
Please follow each corresponding method written below, when reading SFC programs with a target version
of GX Works3.
TECHNICAL BULLETIN
[2/5]
[Issue No.] FA-A-0192-A
2.1
Block Including Multiple Initial Steps
(1) Restriction
After opening an SFC program in GX Works2 format with GX Works3, a block including multiple initial steps
is deleted.
(2) Corresponding method
Modify the program, in which a block includes multiple initial steps, to one including an initial step with GX
Works2 before opening with GX Works3. Please follow the method written below.
1. Modify the program to one that includes an initial step in a block with GX Works2.
GX Works2
Modify the program to one
that includes an initial step.
Inserting
a row
Adding
transition
conditions
2
1
1
0
2
2
0
2
1
1
2
1
0
2
2
3
?4
?5
4
5
0
2
2
Changing
initial steps
to operation 3
outputs
Cut and paste steps
except for S0.
2
2
?4
?5
4
4
2
5
0
2
1
1
Drawing
2
lines of
'Selection
3
Divergence'
2
0
?4
?5
4
4
2
5
0
2
6
6
6
3
1
Copy
S0.
0
4
1
3
7
1
3
7
1
3
7
1
3
5
1
3
8
1
3
8
1
3
8
1
3
6
9
9
9
7
10
10
10
2. Create Zoom programs for the initial step and added transition conditions.
TECHNICAL BULLETIN
[3/5]
[Issue No.] FA-A-0192-A
3. Open the modified program with GX Works3.
GX Works2
GX Works3
2
1
1
0
2
3
4
5
4
4
2
5
0
2
7
1
3
8
1
3
Open
6
9
10
2.2
Block Including Jumps
(1) Restriction
After opening an SFC program including jumps, the SFC diagram is returned to initial status (that initial
steps, transitions, and end steps are placed). All Zoom programs are read normally.
GX Works2
GX Works3
1
SFC diagram: initial status
1
0
2
0
Zoom program: [Unused] status from Action1
3
4
1
5
1
Open
6
7
2
8
2
9
10
1
POINT
Names of Zoom programs in GX Works3 are as follows (** indicates the number.):
• Action: "Action** "
• Transition: "Transition** "
TECHNICAL BULLETIN
[4/5]
[Issue No.] FA-A-0192-A
(2) Corresponding method
(a) Delete jumps temporarily
Modify the program not to use jumps with GX Works2 temporarily, and restore them after opening the
program with GX Works3.
Please follow the method written below.
1. Delete jumps with GX Works2 (Change jumps to end steps).
2. Open the modified program with GX Works3.
3. Restore the jumps with GX Works3. (Change the end steps to jumps.)
GX Works2
GX Works3
1
1
1
0
1
0
2
0
2
0
3
4
5
1
Deleting
jumps
1
6
3
4
5
1
1
6
7
2
7
2
8
2
8
2
9
10
Open
Restoring
jumps
9
1
Change jumps to end steps.
10
Change the end steps to jumps.
TECHNICAL BULLETIN
[5/5]
[Issue No.] FA-A-0192-A
(b) Modify the program after opening
Modify the SFC diagram returned to initial status after opening with GX Works3.
Please follow the method written below.
1. Open the SFC program in GX Works2 format with GX Works3.
2. Modify the SFC diagram returned to initial status with GX Works3.
3. Link the opened Zoom program with actions/transitions.
The names of opened Zoom program can be checked on the “Zoom List” screen. Set the data name on the
SFC diagram.
REVISIONS
Version
Print Date
Revision
-
August 2015
First edition
A
January 2016
The version of "TARGET SOFTWARE" was changed.
Corresponding methods along with the upgrade were added.