UPS5000-S-1200 kVA
User Manual
2 Overview
Issue 04 (2019-06-25)
Copyright © Huawei Technologies Co., Ltd.
30
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 2-17
Wiring method 1
Figure 2-18
Wiring method 2
Figure 2-19
COM1 pins
Table 2-8
COM1 pin definition
Pin
Description