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CHAPTER 4 FUNCTIONS
4
4.31 Error History Function
Ex.
If the 17th error occurred:
The 17th error is stored in Error history No.1 and 1280 (the start address of Error history No.1) is
overwritten in Latest address of error history (Un\G1279).
● The same processing is performed for an alarm.
● When the storage area for error histories is full, data is overwritten starting from Error history No.1 (Un\G1280 to
Un\G1284) and error history recording is continued. (The history before data overwritten is deleted.)
● Recorded error histories are cleared to 0 by turning off and on the power supply or by resetting the CPU module and
canceling the reset.
Error history No.1
Error history No.2
Error history No.3
Error history No.16
New
The 17th error is stored in Error history
No.1 and the 1st error history will be erased.
Address
1280
1288
1296
1400
1st error
2nd error
3rd error
16th error
17th error
Latest address of error history
(Un\G1279)