UPS5000-A-500 kVA
User Manual (e-shelter)
2 Overview
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
26
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 2-13
Wiring method 1
Figure 2-14
Wiring method 2
and
describe the COM1 pin definitions.
Figure 2-15
COM1 pins