Huawei UPS5000-E-30 kVA - Page 49

Port Silk Screen Description
Communica
tions port
FE ● Supported protocols: Modbus-TCP, HTTPS, and
SNMP (reserved).
● Connects to a Huawei northbound device.
Communica
tions port
RS485 Supported protocol: Modbus-RTU.
NO TE
● Signal cables must be double-insulated twisted cables. If the cable length is within 25–
50 m, the cross-sectional area must be 0.5–1.5 mm
2
.
● RS485 cables and FE cables must be shielded cables.
Figure 2-15 and Figure 2-16 are recommended wiring methods for DO ports.
Figure 2-15 Wiring method 1
Figure 2-16 Wiring method 2
Figure 2-17 and Table 2-8 describe the COM1 pin denitions.
UPS5000-E-(30 kVA–180 kVA)
User Manual (Integrated UPS) 2 Product Overview
Issue 02 (2022-12-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 41