Bcb Box - Huawei UPS5000-H-1200 kVA User Manual

UPS5000-H-(1200 kVA-1600 kVA)
User Manual (100 kVA Power Modules)
Table 5-2 Port description for the backfeed protection card
Port Position
MFP (mains
feedback
protection)
BFP (bypass
feedback
protection)
RSV
(reserved)

5.4 BCB Box

The BCB box controls the connection between battery strings and the UPS, and
supports overload protection, short circuit protection, and remote trip control.
Issue 03 (2021-04-22)
Silk Screen Signal Description
MFP_NO The MFP port is the signal port for the mains
backfeed protection. NO and COM are normally
MFP_COM
open contacts. NC and COM are normally closed
contacts. When a backfeed occurs, the normally
MFP_NC
open contacts are closed and the normally closed
contacts are open.
BFP_NO The BFP port is the signal port for the bypass
backfeed protection. NO and COM are normally
BFP_COM
open contacts. NC and COM are normally closed
contacts. When a backfeed occurs, the normally
BFP_NC
open contacts are closed and the normally closed
contacts are open.
RSV_NO Reserved
RSV_COM
RSV_NC
Copyright © Huawei Technologies Co., Ltd.
5 Optional Components
53