系统架构是CPU 414-5 H PN/DP+SCALANCE交换机+ET200SP IO站
其中1个IO站上有1个AO模块6ES7135-6HD00-0BA1故障报警。这个AO模块3个通道有接负载,1个通道备用。
故障报警时,现场反应其他2个AO通道也没有输出。过了大概1个小时,模块故障又自己恢复了。
哪位大神能帮忙诊断下大概的原因呢?
谢谢。
诊断信息如下:
Event 1 of 120: Event ID 16# 3842
Module OK
Module type: Distributed I/0s
Output address: 1008
Channel information available
Alarm in rack 1
Requested OB: Diagnostic interrupt OB (OB82)
Priority class: 25
External error, Outgoing event
04:42:16.797 PM 12/22/2023
(Coding: 16# 3842 1952 D155 03F0 0013 0000)
Event 2 of 120: Event ID 16# 3942
Module problem or maintenance necessary
Module type: Distributed I/0s
Output address: 1008
Channel information available
User information available
Module/submodule fault
External module error
Channel error detected
Alarm in rack 1
Requested OB: Diagnostic interrupt OB (OB82)
Priority class: 25
External error, Incoming event
03:56:15.240 PM 12/22/2023
(Coding: 16# 3942 1952 D155 03F0 0D33 0000)