Huawei UPS5000-E User Manual page 47

UPS5000-E-(50 kVA–300 kVA)
User Manual (50 kVA Power Modules)
Silk Screen
SWITCH
STATUS_BP
SWITCH
STATUS_0V
SPD
0V
Functions
The dry contact card allows the UPS to detect and manage the switch status of
the battery system (including the external battery switch) and implement remote
EPO.
Specifications
●
●
Issue 15 (2022-01-30)
Description
Port for monitoring
the bypass input
circuit breaker
Port for signal
ground
Port for monitoring
the input AC surge
protective device
(SPD)
Port for signal
ground
NO TE
● The dry contact interface card takes effect only after it is set on the monitoring system.
Set the unused dry contact signal to the unused status.
● Set the EPO port to NO or NC as required.
● When multiple UPSs are paralleled, all dry contact signals to be used need to connect to
each UPS.
● Single cables require dual-insulated twisted cables. If the length of a power cable is
within 25–50 m, its cross-sectional area must be 0.5 mm
Hot-swappable
0.5 U high
Copyright © Huawei Technologies Co., Ltd.
Status
● Connected: circuit
breaker ON
● Disconnected:
circuit breaker OFF
● Connected: The
input AC SPD is
normal.
● Disconnected: The
input AC SPD fails.
2
to 1.5 mm
2 Overview
Initial Status
Connected
Connected
2
.
38