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Parallel UPS
Figure 2-15: Routing the Control/Communications Cables for Parallel UPS
CAUTION To ensure sufficient isolation of exchange-current, CAN and external bypass
cabinet cables, they must be run separately from the power cables. Reinforce
the insulation of these control and communication cables if any risk of contact
with the power cables exists.
Cable description Insulation level Location on illustration
External bypass cabinet cable ELV 1
CAN cables SELV 1
Exchange-current cables SELV 1
Relay communication card SELV 3
Optional communication card SELV or LV 4
External battery circuit-breaker cables SELV 6
General-shutdown cable SELV 7
Ties
Ties
Parallel-connection cables for connection
to the SBC (not supplied). The CAN and
current exchange cables are supplied.
Slot for relay communications card
Free slots for optional communication
cards. See installation drawing for proper
card placement.
General-shutdown cable (not supplied)
and external battery circuit breaker cable
must be tied down separately.
Separate the control and communication
cables from the power cables.
Run the cables together in front of the
protection panels and tie them to the
panels as indicated.
MGE Galaxy 5000
Setup and Installation2 — 12 86-174010-00 B00