Replacing The Battery - HBM MP85A Series Operating Manual

Switch settings/Replacing the battery
Example:
ON
1 2 3 4 5 6
Fig. 6.2 Switch convention
6.2

Replacing the battery

The MP85A process controller has a real-time clock, which is powered by a
CR2031 lithium battery. It can be removed from the battery holder and
replaced at the point shown in Fig. 6.3. You should replace the battery
approximately every 5 years.
1
Unscrew the cover
Fig. 6.3 Opening the housing, position of battery
Notice
The battery may be damaged if inserted incorrectly. Also, buffering of the real-
time clock may not work.
Please note the battery polarity shown in Fig. 6.4 when inserting the battery.
48
means
A0293_06_E00_03 HBM: public
2
Battery for
real-time
clock
MP85A