Battery Life - Mitsubishi Electric GOT1000 General Description Manual

(4) Connect the new battery to the connector.
(5) Insert the battery into the folder and set it into the GOT backside.
(6) Turn the GOT power supply on.
(7) Check if the battery condition is normal within the utility.
For details, refer to the GT15 User's Manual.
POINT
1. Precautions after battery replacement
Make sure to turn on the GOT power supply once upon comple-
tion of battery replacement.
Failure to do so may decrease the battery life.
2. When the 2- slot type extension unit is connected to GT156
Before installing or replacing the battery, disconnect the unit.
(When connecting or disconnecting the unit, be sure to power
off the GOT and PLC.)

7.3.4 Battery life

Life span of the battery set in the GOT is shown below.
Operating ambient
temperature of 0 to
45°C
5 years
*: In the following conditions, the data backup time is 5 minutes after
the power supply is turned off.
• The battery connector is disconnected.
• The battery lead is disconnected.
POINT
Battery life and replacement time
1. Battery life reference: Approx.5 years in actual use (Operating
ambient temperature of 25°C)
Battery replacement time reference: 4 to 5 years
Calculate the natural discharge amount of the battery, as neces-
sary.
2. Check if the battery condition is normal within the utility.
For details, refer to the GT15 User's Manual.
Battery life
Operating ambient
temperature of 45 to
55°C
3 years
58
Data backup time after
detection of battery
*
voltage low
14 days