Battery Change On Devices With Mounting Housing With Detached Operator Panel - Siemens siprotec 7SA6 User Manual

Routine Checks and Maintenance
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9.3.1.2

Battery Change on Devices with Mounting Housing with Detached Operator Panel

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9-6
Remove the old battery from the snap-on connector using the plastic battery grip
shown in Figure 9-1.
Remove the battery grip from the old battery, and place the grip on the new battery.
Observing the polarity and firmly insert the new battery into the snap-on connector
shown in Figure 9-1.
Connect the ribbon-cable between the CPU (¯) board and the front panel. Be espe-
cially careful not to bend any of the connector pins! Do not use any force! Be sure that
the plug connectors latch.
Carefully replace the front panel being mindful of the ribbon-cable. Fasten the panel
to the case with the screws.
Replace the covers.
Close the protective switches to apply voltage to the power supply.
After the device is operating, data saved in DIGSI
vice.
If the internal system clock is not automatically synchronized via a serial interface,
then the clock should be set at this point. Refer to Sub-section 7.2.1 if assistance is
needed to set the clock.
Warning!
The used battery contains Lithium. Do not throw the battery into the trash! It must be
disposed off in line with the applicable regulations!
Do not reverse the polarity! Do not completely discharge! Do not throw the bat-
tery into a fire! Explosion hazard!
The battery is located at the front edge of the CPU printed circuit board. If a battery
change is required, the battery must not be replaced by a new one.
The snap connection G2 in the front cover of the operator panel enables the user to
fix the battery properly.
To replace the battery:
Read out the device annunciations. Usually this is done with a PC via the operator in-
®
terface using DIGSI 4. The records and data are lost when the battery is removed.
Therefore the information in the PC is saved.
Note: All protective and control settings, including the input/output configuration and
the CFC logic. The settings are saved independently from the battery. No settings will
get lost when the battery is removed. No settings will be affected if the device operates
without a battery.
Have the replacement battery ready.
®
4 can be loaded back into the de-
C53000-G1176-C133-1
7SA6 Manual