Siemens SIMEAS P 7KG7550, Operating Instructions Manual, Page: 41 / 52

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1.19
Commissioning
The ratings and information on the nameplate should be
checked prior to connecting the power supply voltage. In
particular, power supply voltage ratings, as well as input
voltage and current ratings should be verified. A warm-up
period of 15 minutes is required before the device will
perform within specified accuracy limits.
For model # 7KG7650 and # 7KG7660, a battery is included
with the device. This battery provides a buffer for all
memory and the real-time clock within the SIMEAS P. The
battery must be installed prior to applying voltage to the
power supply or voltage or current to the measured quantity
inputs: Remove the cover of the battery slot on the rear of
the device (refer to section 1.12), insert the battery
according to the polarity printed on the rear of the device,
and replace the back cover.
WARNING!
Servicing of the battery circuit and replacing of the
battery must be performed by qualified personnel only.
Battery may explode if mistreated:
Do not reverse the polarity! Do not disassemble! Do
not completely discharge! Do not throw the battery
into a fire!
The supplied battery contains lithium. Do not throw
the battery into the trash! It must be disposed of in
accordance with the applicable regulations!