12 - 8
12.2 Troubleshooting
12.2.2 Flowchart for when the ERR terminal (negative logic) is turned off (opened)
12
TROUBLESHOOTING
Remark
In the redundant power supply system, the failure of the redundant power supply
module can also be detected by using GX Developer (Version 8.18U or later).
Note12.5
Note12.6
1. Detection by PLC diagnosticsNote5Note6
2. Detection by system monitor
Refer to the following manual for details of PLC diagnostics and system
monitor.
GX Developer Operating Manual
Note5
Note6
Basic
Note12.5
High
Performance
Process
Note12.6
Failure of redundant power supply cannot be detected by the Basic model QCPU.
Basic
Note12.5
When using the High Performance QCPU or the Process CPU, confirm the versions of CPU
module and GX Developer. ( Appendix 2)
High
Performance
Process
Note12.6