ABB AC500 PLC Hardware Manual page 1148

Device Specifications
Accessories > AC500 (Standard)
The CPU monitors the discharge degree of the battery. A warning is issued before the battery
condition becomes critical (about 2 weeks before). Once the warning message appears, the
battery should be replaced as soon as possible.
Handling ● Do not short-circuit or re-charge the battery! It can cause excessive heating and explosion.
Instructions
● Do not disassemble the battery!
● Do not heat up the battery and not put into fire! Risk of explosion.
● Store the battery in a dry place.
● Replace the battery with supply voltage ON in order not to risk data being lost.
● Recycle exhausted batteries meeting the environmental standards.
Battery Lifetime The battery lifetime is the time, the battery can store data while the processor module is not
powered. As long as the processor module is powered, the battery will only be discharged by its
own leakage current.
Technical Data
Parameter
Nominal voltage
Nominal capacity
Temperature range (index below C0)
Temperature range (index C0 and above)
Battery lifetime
Self-discharge
Protection against reverse polarity
Insulation
Connection
Weight
Dimensions
1148
To avoid a short battery discharge, the battery should always be inserted or
replaced while the process module is under power, then the battery is correctly
recognized and will not shortly discharged.
3ADR010121, 13, en_US
Value
3 V
560 mAh
Operating: 0 °C...+60 °C
Storage: -20 °C...+60 °C
Transport: -20 °C...+60 °C
Operating: -40 °C...+70 °C
Storage: -40 °C...+85 °C
Transport: -40 °C...+85 °C
Typ. 3 years at 25 °C
2 % per year at 25 °C
5 % per year at 40 °C
20 % per year at 60 °C
Yes, by mechanical coding of the plug.
The battery is completely insulated.
Red = plus pole = above at plug, black =
minus pole,
7 g
Diameter of the button cell: 24.5 mm
Thickness of the button cell: 5 mm
2019/04/17