Mitsubishi Electric Melsec iQ-R Series User Manual page 51

Checking method
The start address of Error history where the latest error is stored can be checked in 'Latest address of error history' (Un\G1).
The start address of Alarm history where the latest alarm is stored can be checked in 'Latest address of alarm history'
(Un\G3).
Ex.
The following shows an example of when the 3rd error occurs. The 3rd error is stored in Error history 3, and the value 3620
(start address of Error history 3) is stored in 'Latest address of error history' (Un\G1).
'Latest address of error history'
(Un\G1): 3620
Un\G3600
Un\G3610
Un\G3620
Un\G3750
Error history 1
1st error
Error history 2
2nd error
Error history 3
(Empty)
Error history 16
(Empty)
Latest
3rd error
1.11 Error History Function
1
1 FUNCTIONS
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