LG GLOFA-GM Series User Manual page 330

Chapter 10 Installation and Testing operation
2) Sequence of testing operation
Next is the sequence starting from PLC installation completed to testing operation.
Power on :
A) Confirm input power
B) Check communication cable connection
C) Power on
D) Check if power LED of power module is turned on
E) Check LED status of CPU module
F) Check if LED status of communication module is normal or not
Frame definition: Define frame with frame definition and download to communication module.
Programming : Perform programming in GMWIN and download to CPU module.
Sequence check: Confirm the operation of communication module according to program.
Program modification: If abnormal in sequence program, modify it.
Program preservation:
1) Save program to floppy or hard disk.
2) Print circuit drawing and list with printer.
3) Write program to memory module as required.
If abnormal, refer toTroubleshooting in user's manual of each PLC type.
If abnormal, refer to Chapter 11. Troubleshooting in this user's manual
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