Battery Life - Mitsubishi GOT1000 GT15 User Manual

1. Precautions after battery replacement
2. When the bus connection unit (GT15-QBUS2/GT15-ABUS2/GT15-75ABUSL/GT15-
8.7.4

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.
Battery life and replacement time
Make sure to turn on the GOT power supply once upon completion of battery
replacement.
Failure to do so may decrease the battery life.
75ABUS2L) is connected to GT156 .
Before installing or replacing the battery, disconnect the bus connection cable.
(When connecting or disconnecting the bus connection cable, be sure to power off
the GOT and PLC.)
Battery life
Operating ambient
temperature of 45 to 55°C
3 years
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 necessary.
2. Check if the battery condition is normal within the utility.
Refer to the following for the details of battery status display.
12. CLOCK SETTINGS AND BATTERY STATUS DISPLAY (TIME
SETTING AND DISPLAY)
Data backup time after detection
of battery voltage low*
14 days
8.7 Battery
8.7.4 Battery life
1
2
3
4
5
6
7
8
8
- 22