正常运行中的PLC突然跳停(偶尔会出现)重新运行正常.OB82.OB85.OB122都已存在.在线查看故障第一个为:Event 6 of 10: Event ID 16# 4548
STOP caused by I/O management
Previous operating mode: RUN
Requested operating mode: STOP (internal)
Internal error, Incoming event
02:07:51.260 AM 02/12/1994
第二个为:Event 5 of 10: Event ID 16# 5371
Distributed I/Os: End of the synchronization with a DP master/IO controller on slot 2
Number of distributed stations: 1
Incoming event
02:07:51.708 AM 02/12/1994
第三个为:Event 4 of 10: Event ID 16# 38C4
Distributed I/Os: station return
Address of the affected DP slave: station number: 4
DP master system ID: 1
Log. base address of the DP slave: Input address: 2046
Log. base address of the DP master: 2047
Requested OB: Rack failure OB (OB86)
OB not found, or disabled, or cannot be started in the current operating mode
External error, Outgoing event
02:07:51.759 AM 02/12/1994
从以上故障显示能否准确的看出是什么原因?在PLC程序里能否通过时间延迟检查硬件故障来解决这样的问题?