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SALICRU
7.2.4. Control Cables
Parallel control cable
The parallel control cables are designed to be shielded and double insulated, and are connected between the UPS rack modules to
form a loop as shown below. The parallel signal board BJ is installed at the rear of the static switch power module. This close loop
connection ensures the reliability of the parallel system control. Refer to fig. 38.
Parallel Signal Board BJ
P1
P2
J1
J2
Rack Modular system UPS1
Parallel Signal Board BJ
P1
P2
J1
J2
Rack Modular system UPS2
Fig. 38.
Connection of Parallel Control Cables of “1+N” System