Omron SYSMAC C200H Installation Manual page 35

Memory Units
Battery Failure Flag
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The C200H-CPU31-E, unlike the other two CPU Unit models, has an additional
battery connected to the CPU Unit. A flag, assigned to the bits listed in the follow-
ing table, indicates where battery failure occurred (in the RAM Unit, EEPROM
Unit, or in the CPU Unit) and in which Unit.
Model
C200H-CPU21-E/23-E
C200H-CPU31-E
In the following table, the ON/OFF status of the bits indicate where battery failure
took place in the C200H-CPU31-E. For example, when bit 25308 is ON the bat-
tery in the CPU Unit failed.
25308 AR2404
ON ON
ON OFF
Bit
25308 Battery failure in RAM/EEPROM
Unit
25308 Battery failure in RAM/EEPROM
Unit or CPU Unit
AR2404 Battery failure in CPU Unit
Unit in which the battery failed
CPU Unit
RAM/EEPROM Unit
Section 2-6
Function
25