Ups Parallel Card (Optional); C Ard (O Ptional ) - Santak Castle On-Line Series User Manual

2.6 UPS Parallel Card (Optional)

1. Brief introduction of the redundancy
N+X is currently the most reliable power supply structure. N
represents the minimum UPS number that the total load needs, X
represents the redundant UPS number, i.e. the fault UPS number that
the system can handle simultaneously.
When the X is larger, the reliability of the power system is higher. For
occasions where reliability is highly depended on, N+X is the optimal
mode. As long as the UPS is equipped with parallel cables, up to 3
UPSs can be connected in parallel to realize output power sharing and
power redundancy.
2. Parallel installation and operation
Parallel UPS is an optional function for user, before installing a
new parallel UPS, user need to prepare parallel accessories and ask
service person to help for installation. The quantity of parallel UPS is up
to 3 max. Each parallel UPS need an independent battery pack
1) Service person installs the parallel card on UPS, connect each
UPS one by one with the parallel cable, the parallel card is the
communication port between UPSs.
2) Connect the output wire of the parallel UPSs to an output terminal
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