UPS5000-E-(360 kVA-480 kVA)
User Manual (40 kVA Power Modules)
2 Overview
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
31
Port
Silk
Screen
Description
communications
port 1
sensor over two wires.
Southbound
communications
port 2
COM2
Connects to a southbound device, such as a BMU.
Network port
FE
Connects to the network port on a PC.
Northbound
communications
port
RS485
Connects to a northbound network management device
or a third-party network management device over two
wires.
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
2
.
RS485 cables and FE cables must be shielded cables.
are recommended wiring methods for DO ports.
Figure 2-16
Wiring method 1
Figure 2-17
Wiring method 2
and