Ram Battery Lifetime - ABB IRB 6400R Product On-Line Manual

Maintenance
• Remove the battery by loosening the clasps.
• Insert the new battery and fasten the clasps.
• Connect the battery terminal to the backplane.
• If both batteries must be replaced, make sure that the power is kept on. Otherwise, all
the memory contents will be erased. A completely new installation of Robot Ware and
parameters is then necessary, see Installation and Commissioning.

2.14 RAM Battery lifetime

The maximum service life of the lithium battery is five years. The lifetime is influenced
by the installed memory board type and by the length of time the system is without
power.
The following table indicates the minimum time, in months, that memory will be held
if the system is without power:
Memory board size
4 MB
6 MB
8 MB
16 MB
A battery test is performed on the following occasions:
1. System diagnostics (before software installation). Failing the test will result in one
of the following messages on the display:
- "Warning: Battery 1 or 2 < 3.3V" i.e. one of the batteries is empty.
- "Error: Battery 1 and 2 < 3.3V" i.e. both batteries are empty.
2. Warm start. Failing test results in one of the following messages on the display:
- 31501 Battery voltage too low on battery 1.
- 31502 Battery voltage too low on battery 2.
- 31503 Battery voltage too low on both batteries.
20
First battery Both batteries
6 12
5 10
6.5 13
5 10
Product Manual IRB 6400R