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UPS5000-A-400 kVA
User Manual (60 kVA, PF=0.9)
Port
Silk Screen
communi
cati-ons
port
Figure 2-14
Figure 2-14 Wiring method 1
Figure 2-15 Wiring method 2
Figure 2-16
Issue 05 (2019-12-24)
Description
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
RS485 cables and FE cables must be shielded cables.
and
Figure 2-15
and
Table 2-6
describe the COM1 pin definitions.
Copyright © Huawei Technologies Co., Ltd.
2
.
are recommended wiring methods for DO ports.
2 Overview
27
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