FM458出现无规律的停机，故障代码如下：
6DD1607-0AA2    Hardware     3
                        Firmware     V2.1.0
Boot Loader        Firmware   expansion    A5.11.8
Rack:                  0
Slot:                  8
Event 1of 100:    Event ID 16#3842
Module               OK
Module Type:      Distributed  I/0S
Input address:     8184
User informationg available
Diagnostic interrupet from substitupt
Requested OB:Diagnostic interruptOB(OB82)
OB not found,or disabled,or cannot be started in the in the current operating mode
External error,Outgoing event[/size][/size]