Mitsubishi Electric MELSEC Q Series User Manual page 115

5
PRE-OPERATION PROCEDURES
(4) Replacement of the EtherNet/IP module battery
At the end of battery life, replace the battery according to the procedure in Figure 5.11.
Keep the programmable controller on at least 10 minutes before removing the battery.
Replace the battery quickly even though the memory will be retained for a while after
removal of the battery. If the replacement time exceeds the guaranteed value shown
below, the error contents may be cleared.
Replacing battery
Power off the programmable controller.
Remove the EtherNet/IP module from
the base unit.
Open the cover on the EtherNet/IP
module bottom.
Remove the battery from the holder.
Install a new battery into the holder
in the correct orientation. Connect
the connector.
Close the cover of the EtherNet/IP
module.
Mount the EtherNet/IP module on the
base unit.
Power on the programmable controller.
Check the value of Battery
status (Un\G25783).
Failure of the EtherNet/IP module battery
Table 5.6 Operation retention time for electric outage
Operation retention time for electric outage
The value is 0.
(0 or 1)
The value is 1.
Figure 5.11 Battery replacement procedure
* 1 Engage or remove the battery connector vertically to the connector pin of the case.
Failure to do so may cause a deformation of the connector and damage the battery case.
5.4.3 Detecting a battery error and replacing the battery
3 minutes
EtherNet/IP module
side connector *1
Battery side
connector *1
EtherNet/IP module
Completed
5.4 Battery
Battery Q6BAT
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