Monitoring Interface Card - Huawei UPS5000-E-400K-SM User Manual

UPS5000-E-(350 kVA-800 kVA)
User Manual (50 kVA Power Modules)
Silk
Screen
MT
SWITCH
STATUS_
0V
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 emergency power-off
(EPO).
Specifications



2.3.5.4 Monitoring interface card

Issue 05 (2018-01-08)
Description
Port for signal ground
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

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
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Copyright © Huawei Technologies Co., Ltd.
Status
 Connected: circuit
breaker OFF
 Connected: circuit
breaker ON
 Disconnected:
circuit breaker
OFF
 Connected: SPD
enabled
 Disconnected:
SPD disabled
2 2
to 1.5 mm .
2 Overview
Initial Status
Connected
Connected
37