134
7 OPERATION ADJUSTMENT
7.2 Operation and Test
■
Serial connection
GX Works3 settings
7.2
Operation and Test
Self-diagnostic function
When the power of the CPU module is turned on, the self-diagnostic function to check for errors starts in the module. The
CPU module boots when there is no error with the hardware, parameters, and program.
When there are no errors, the module enters the RUN status (the P.RUN LED turns on) in response to the RUN instruction
(
Page 135 Running, Stopping, and Resetting). If any error is detected, the "ERR" LED flashes or lights up.
Monitoring and debugging
The ON/OFF status of PLC's devices, current values or set values can be monitored or changed by using engineering tools.
For details, refer to
GX Works3 Operating Manual.
No.
Item
Selection item
Internal setting
Input value
1)
PC side I/F
Serial/USB
RS-232C
COM Port
COM1
Transmission Speed
115.2Kbps
2)
PLC side I/F
PLC Module
PLC Mode
FX5CPU
Other Station Setting
No Specification
Check at Communication Time
30 seconds
Retry Times
0 times
1)
2)
COM port
(COM1)
RS-232 cable
(FX-232CAB-1)
FX5-232ADP
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