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CHAPTER 8 FUNCTIONS
8
8.16 Error Log Function
2. When a 17th error occurs:
The 17th error is stored in error history No.1, and the value "1810" (start address of error history No.1) gets stored to
Latest address of error history (Un\G1800).
● The same process for errors is used when an alarm occurs.
● Once the error history storage area becomes full, subsequent errors will overwrite the previous errors, starting from error
history No.1, and continues sequentially thereafter (Un\G1810 to Un\G1819). (The overwritten history is deleted.)
● The stored error history is cleared when power supply is turned OFF, or when the CPU module is reset.
Ex.
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
1810
1820
1830
1960
1st error
2nd error
3rd error
16th error
17th error
Latest address of error history
(Un\G1800)
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