Mitsubishi Electric Q12DCCPU-V - Battery Replacement Procedure; Backup Power Time

6
PREPARATORY PROCEDURES AND SETTING
6.7 Specifications, Installation, and Replacement of the Battery
6.7.3 Battery replacement
6 - 53
1
OVERVIEW
2
SYSTEM CONFIGURATION
3
SPECIFICATIONS
4
FUNCTIONS
5
ACCESS VIA NETWORK MODULES
6
PREPARATORY PROCEDURES AND SETTING
7
I/O NUMBER ASSIGNMENT
8
MEMORIES AND FILES
(4) Battery replacement procedure
Before the C Controller module battery reaches the limit of its life, replace it by the
following procedure.
Before removing the battery, turn on the C Controller system power for 10 minutes or
more.
Data will be backed up by the capacitor for a while after removing the battery.
However, quickly replace the battery since the data may be cleared if it takes more
than the following guaranteed time.
Table 6.18 Backup power time
Backup power time
3 minutes
Figure 6.44 Battery replacement procedure
Battery
C Controller module
Battery replacement
Power off the C Controller system.
Remove the C Controller module
from the base unit.
Open the cover of the C Controller
module.
Take the old battery out of the holder.
Insert a new battery in the correct
orientation, and connect the lead
connector to the connector.
Close the cover of the C Controller
module.
Power on the C Controller system.
Mount the C Controller module on the
base unit.
Check for battery error.
Battery error
No battery error
C Controller module battery is faulty.
End
Back up data.
C Controller module
side connector
Battery side
connector