Monitoring Interface Card - Huawei UPS5000-E User Manual

UPS5000-E-(400 kVA-600 kVA)
User Manual (60 kVA Power Modules)

2.3.5.4 Monitoring Interface Card

● The FE port resembles the RS485 port. Therefore, follow the silk screens when
● Dry contact signals take effect after you set them. Disable unused dry contact
● In a parallel system, ensure that used dry contacts properly connect to each
● The RS485 bus of each device is equipped with an independent build-out
The monitoring interface card provides external ports as well as monitoring and
control functions for the MDU. The monitoring interface card provides the
ambient temperature and humidity sensor port, FE port, battery temperature
monitoring port, and network management port. The MDU monitors the UPS,
allows users to set parameters, delivers commands, reports information, and
displays the UPS key information and parameters on the LCD.
Figure 2-22 Monitoring interface card
Issue 09 (2023-07-10)
NO TICE
you connect communications cables. If you mistake the RS485 port as the FE
port during cable connection, the WebUI communication fails. Conversely, if the
FE port is mistaken for the RS485 port during cable connection, RS485
communication fails.
signals on the monitoring system.
UPS.
resistor. You are advised not to connect RS485 communications cables to
multiple devices in parallel. If parallel connection is required, a maximum of
four devices can be connected in parallel, or an RS485 repeater can be used for
connection.
NO TE
DO_1 to DO_4 meet the maximum voltage and current requirements of 30 V DC/1 A or 60
V DC/0.5 A.
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