ABB HiPerGuard MV UPS - Communication and Interfaces; MV Switchgear Communication

EXTERNAL POWER AND CONTROL CONNECTIONS
HIPERGUARD MV UPS
USER MANUAL
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6.5. Communication between MV UPS and MV Switchgear
There is a high-speed optical communication link between the MV UPS’s system controller and the
switchgear. The purpose of the link is to read and write information from/to the I/O modules installed in
the MV switchgear. The breakers’ status, current, voltage, and commands (open/close) to the circuit
breakers (S
in
, S
out
, S
abp
) are transmitted through fiber optic.
Figure 6.10: Control interconnections MV UPS to MV switchgear