现象是 REDF EXTF LED指示灯 闪烁 无法完成冗余切换
有时候 CPU 上电无法自动运行 需手动 STOP 到RUN


Diagnostic buffer of module CPU 414-4 H

Order No./ Des cription Component Version
6ES7 414-4HM14-0AB0 Hardware 1
- - - Firmware V 4.5.1

Rack: 0
Slot: 3


Event 1 of 120: Event ID 16# 43E3
Master CPU: Change from redundant mode to solo mode
Previous operating mode: RUN (redundant mode)
Requested operating mode: RUN
Event occurred in the master CPU in rack 0
Incoming event
01:25:06.896 AM 01/01/1994


Event 2 of 120: Event ID 16# 7301
Loss of redundancy (2oo2) due to CPU failure
CPU affected: Standby CPU in rack 1
Requested OB: CPU redundancy error OB (OB72)
Priority class: 28
Incoming event
01:25:06.896 AM 01/01/1994