Siemens SITOP UPS1600 Equipment Manual page 215
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Connecting several SITOP BAT1600 battery modules
To extend the power failure buffering time, up to 6 identical SITOP BAT1600 battery modules
can be connected to a SITOP UPS1600.
The connected battery module is automatically detected.
Note
When connecting several battery modules in parallel (max. 6) the following applies:
1. Ensure that the battery modules are the same type and have the same charge state.
2. Battery modules are wired to the UPS in a star configuration with the same cable lengths
(ensure that the impedance is the same for all cables).
3. Dimension the cross-section of the star configuration wiring for the total current (if required,
reduce all fuse values).
Proceed as follows, to connect several SITOP BAT1600 battery modules:
1. Connect several battery modules in parallel to the power terminals and the communication
terminals of the UPS module corresponding to the following wiring schematic.
Figure 7-4
2. Check that the wiring is correct.
3. Insert the fuses.
The connected battery modules are automatically identified after several seconds.
Danger due to high short-circuit current
Before inserting the fuses, check the correct polarity of the wiring of all of the connected
battery modules.
SITOP UPS1600 / BAT1600 / UPS1100
Equipment Manual, 07.2021, A5E37775406-11-76
7.3 Connecting SITOP BAT1600 battery modules to the UPS module
Recommended wiring for up to 6 battery modules connected in parallel
WARNING
Installation
215
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