UPS5000-H-1200 kVA
User Manual (100 kVA Power Modules)
2 Overview
Issue 01 (2020-07-15)
Copyright © Huawei Technologies Co., Ltd.
38
Port
Silk
Screen
Description
COM
Configure power segment settings based on backup
time.
DB26
MDU
Supports FE, RS485, I2C, CAN, and other signals.
Battery
temperature
sensor port
B_TEMP
Connects to an indoor battery temperature sensor.
Southbound
communications
port 1
COM1
Supported protocol: Modbus-RTU
Connects to an ambient temperature and humidity
sensor over two wires.
Southbound
communications
port 2
COM2
Supported protocol: Modbus-RTU
Connects to a southbound device, such as an iBattery.
Network port
FE
Supported protocols: Modbus-TCP, HTTPS, and
SNMP
Connects to the network port on a PC.
Network port for connecting to the web service and
for SNMP networking
Northbound
communications
port
RS485
Supported protocol: Modbus-RTU
Connects to a northbound network management
device or third-party network management device
over two wires.
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 2-20 and Figure 2-21 are recommended wiring methods for DO ports.
Figure 2-20
Wiring method 1