Module Error Collection Function - Mitsubishi Electric QD77MS User Manual

14.12 Module error collection function

Error history of PLC CPU and intelligent function
module is displayed in one screen.
Errors in the entire system can be monitored in reverse
chronological order.
3)
Error history display
Time
Module in error
19:29 QD77MS
19:33
19:34 Module B
19:36 QD77MS
This function collects errors occurred in the Simple Motion module in the PLC CPU.
Those errors are stored in a memory (latch area) of the PLC CPU as module error logs.
The stored error logs are retained even when the PLC CPU is powered off or reset.
GX Works2
Error code
Error A1
CPU Error C1
Error B1
Error A2
For details on the module error collection function, refer to Section 16.1 "Checking
errors using GX Works2".
1)
CPU
19:33 Error C1 occurred!
2)
Error history
(CPU module)
19:33 Error C1
<Operation>
1) The error occurs in the PLC CPU or Intelligent function module.
2) The PLC CPU collects and stores the error in each intelligent function
module as "Module error history".
3) The list of error in PLC CPU or each intelligent function module error is
displayed with GX Works2.
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Chapter 14 Common Functions
QD77MS
Module B
19:34 Error B1 occurred!
19:29 Error A1 occurred!
19:36 Error A2 occurred!
Module error log
Time Error code
Module in error
19:29 QD77MS Error A1
19:34 Module B Error B1
19:36 QD77MS Error A2