Huawei UPS5000-S-1600 kVA User Manual page 42

UPS5000-S-1600 kVA
User Manual
Port Silk Screen Control
DO_4 NO
COM
Southbound COM1
communications
port 1
Southbound COM2
communications
port 2
Network port FE
Northbound RS485
communications
port
DB26 MDU
Battery B_TEMP
temperature sensor
port
Figure 2-17 and Figure 2-18 are recommended wiring methods for DO ports.
Issue 04 (2020-03-03)
Module 1
In use
Controls the
entire UPS
system.
In use
In use
Controls the
entire UPS
system.
Reserved
 Signal cables must be double-insulated twisted cables. If the cable length is 25–50 m, the
cross-sectional area must be 0.5–1.5 mm
 RS485 cables must be shielded cables.
Copyright © Huawei Technologies Co., Ltd.
Control Description
Module 2
alarms, battery mode, or low battery
voltage.
DO_4 is used to output alarms and
indicates battery mode by default. It can
be set to indicate critical alarms, minor
alarms, bypass mode, or low battery
voltage.
Reserved  Supported protocol: Modbus-RTU
 Connects to an ambient temperature
and humidity sensor or battery
temperature sensor; two-wire system.
In use N/A
N/A
Reserved  Supported protocol: Modbus-RTU
 Connects to a northbound network
management device or a third-party
network management device over two
wires.
Provides FE, RS485, I2C, and CAN
signals.
N/A
2
.
2 Overview
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