Lenze ETCxxxxx - Manual (Page 65)

Troubleshooting and fault elimination
Battery replacement
6
6.4
l
65 EDSTCXX EN 2.0
6.4 Battery replacement
The battery life is dependent on the network operating time and the
ambient temperature. The typcial service life at 23
°
C ambient temperature
is approx. 7 years; in the worst case scenario (extremely high or low
temperatures) the battery lasts approx. 0.5 years. A safe operation is ensured
through the continuous monitoring of the remaining battery capacity. The
necessary replacement of the battery is indicated by the control.
During battery replacement the supply voltage for the CMOS−RAM is
provided by a special capacitor. To prevent a data loss in the RAM the battery
replacement should be completed within 15 minutes (time between the
removal of the old battery and insertion of a new battery).
(
Stop!
The battery is replaced in the deenergised state. The control or
PC must be disconnected from the mains.
When using tools (screwdriver, tweezers) care should be taken
not to use conductive materials.
The use of conductive materials is not permitted.
The battery used is from the type CR 2430.
1. Using a suitable tool (non−conductive) lift the battery out of its slot
0
on the board and insert the new battery.
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ETC043
ETCPx