7. Maintenance and Inspection
7.3 Consumable Parts
7-5 ME0342-4B
7.3 Consumable Parts
The life of components used in this product system is as follows. Refer to [7.5 Preventive
Maintenance Function] and [7.6 Predictive Maintenance Function] for information about
preventive and predictive maintenance.
Item
Condition
Electrolytic capacitor 5 years ○ -
Ambient temperature 0 to
40°C, rated operating mode
Backup capacitor for
calendar functions
5 years ○ -
12 h/day ON time at 40°C
environment
12 h 20°C environment when
stopped (power OFF)
Simple absolute battery 3 years - -
Ambient temperature 0 to
40°C
Ambient temperature 0 to
40°C
7.4 Component replacement
ME0342-4B 7-6
7.4 Component replacement
7.4.1 Replacement of Absolute Battery
When replacing the battery, leave the power to the controller ON, remove the battery connector
and replace with a new battery.
[1] For the Type to Attach Battery to Controller Side
Model Code of Battery for Replacement: AB-7
[Removal]
[Attachment]
Pull the connector to remove
the battery.
Attach the fastener enclosed in the new battery
to the side surface of the new battery.
Join the 2 pieces of the fastener, one on the
controller and the other on the battery, to affix
Plug in connector to absolute battery
connector.