Huawei UPS5000-A User Manual page 48

UPS5000-A-(30 kVA-120 kVA) User Manual
User Manual
Figure 2-22 Bypass unit 2/4
(1) Running indicator
(4) Ready switch
(7) MDU port
MDU Reset Button
If the MDU does not work properly, you can press this button to restart the MDU,
which has no impact on the UPS output and parameter settings.
DIP Switch
Table 2-1 DIP switch functions
DIP Switch Name
SW1- RS185_A0_MDU
DIP1/SW-
DIP1
SW1- RS185_A1_MDU
DIP2/SW-
DIP2
SW1- N485_SEL_MDU
DIP3/SW-
DIP3
SW1- CANH0_MDU
DIP4/SW-
DIP4
SW2- CANH1_MDU
DIP1/SW-
DIP5
SW2- NORTH485+_F-S
DIP2/SW-
DIP6
SW2- CAN_PARA_H_1
DIP3/SW-
DIP7
Issue 15 (2022-11-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
(2) Alarm indicator
(5) MDU reset button
(8) Battery cold start button
Default Setting Function
OFF You can use the combination of
DIP switches together with specific
buttons to restore default settings
and clear historical records. For
OFF
details, contact technical support
engineers.
OFF
ON CAN build-out resistor for MDU
parallel connection
ON CAN build-out resistor for LCD
communication
ON RS485 build-out resistor for
northbound communication
ON CAN1 build-out resistor for rack
parallel connection
2 Product Overview
(3) Fault indicator
(6) DIP switches
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