Mitsubishi Electric MELSEC iQ-R Series User Manual page 65

Checking
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 figure below shows the example of when the third error has occurred. The third 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\G3620)
Un/G3600
Un/G3610
Un/G3620
Un/G3750
Error history No.1
1st error
Error history No.2
2nd error
Error history No.3
(Empty)
Error history No.16
(Empty)
New
3rd error
1.12 Error History Function
1
1 FUNCTIONS
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