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UPS5000-E-(360 kVA-480 kVA)
User Manual (40 kVA Power Modules)
Port
communications
port 1
Southbound
communications
port 2
Network port
Northbound
communications
port
Figure 2-16
Figure 2-16 Wiring method 1
Figure 2-17 Wiring method 2
Figure 2-18
Issue 07 (2020-01-10)
Silk
Screen
COM2
FE
RS485
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 and FE cables must be shielded cables.
and
Figure 2-17
are recommended wiring methods for DO ports.
and
Table 2-5
describe the COM1 pin definitions.
Copyright © Huawei Technologies Co., Ltd.
Description
sensor over two wires.
Connects to a southbound device, such as a BMU.
Connects to the network port on a PC.
Connects to a northbound network management device
or a third-party network management device over two
wires.
2
.
2 Overview
31
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