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Appendix 3. PLC Development Environment using GPPQ
3.5 PLC Program Development Procedure
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3.5.4 Ladder Comparison with the C64 Controller
The method of comparing the ladders between the C64 controller and GPPQ is explained below.
(1) Menu Selection
The screen is selected from the menu using the following GPPQ basic operation.
( GRPH )
Mode screen
Menu
A
lt
PC
2
PC menu
window
3
Compare
PC compare
screen
(2) Screen Operation
The file names are designated and executed on the following screen. The options that can be
selected are the same as those of the ladder read.
File name designation method
Input the file name stored in the read target memory.
Display the read target memory list screen by pressing Ctrl + D .
Display the file list screen by pressing Ctrl + L .
After selecting the file using ↑ and ↓ , display the file name selected in the file name
designation column by pressing Enter .
[PC compare]
Execute(Y)
Ctrl+L : filelist Ctrl+D : directo Space : sele Esc : close
Interface
Target PC
Target Mem
Cancel(N)
RS232C <---> QnACPU
Network : 0 Station : FF PC Type : Q4A
Internal RAM Title [ ]
1. File 1. File Name [ ] Title [ ]
1. [ * ] Parameter2. Tgt
:
:
:
When the comparison contents do not match, a screen with the mismatched contents
appears.
[Sequence Program Diff List]
<Memory>
Step Ins I/O
15 AND= R4918
K106
18 + R4916
K10000
D87
22 END
No Data exists.
No Data exists.
<PC>
Step Ins I/O
15 NOP
16 NOP
17 NOP
18 + R4916
K10000
D87
22 END
PgDn : Next page Esc : Close