PRODUCT DESCRIPTION
Figure 3.18: PCS120 Power
Electronic Building Block (PEBB)
Figure 3.19: PEBB LEDs, fiber
optic, and 24 V
dc
connections
Figure 3.20: PEBB rear power
connections
3.3.1.2. Graphical Display Module (GDM)
The GDM is located in the PE120-1 enclosure. This user interface of the HiPerGuard MV UPS is connected
to the system controller. Through the GDM, it is possible to operate the MV UPS, read/edit its
parameters, reset alarms and faults, and access power-quality events data.
Figure 3.21: HiPerGuard MV UPS HMI (GDM)
3.3.2. Auxiliary power supply enclosure (APS)
The APS delivers all the control power requirements for different functions of the various MV UPS
enclosures.
The APS is an enclosure that contains:
– Switched-mode power supplies (N+1),
– Digital input and output interfaces
– Transformers
– Float charger
– Ethernet interfaces
– Fiber optic interfaces
– User interfaces
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