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RMS-SNMP01A SNMP Card
User Manual
Figure 3-5 Standalone AI/DI module
(1) SNMP card port
(4) DIP switch
Table 3-3 Status of UPS run indicator connected to the AI/DI_1 port
Single UPS/
Parallel System
Single
Single
Parallel
Issue 10 (2024-01-30)
NO TE
● Set the address of the standalone AI/DI module to 3 (bits 1 to 3 in ADDR indicate the
address of the standalone AI/DI module, and bit 4 indicates RS485 termination resistor
selection). Toggle switches 1 and 2 are ON, and toggle switches 3 are OFF, as shown in
Figure
3-5.
● COM_IN is a communications port whose baud rate is fixed at 9600.
● AI/DI_1 is a level output port. Its pin definitions are: pin 3 (12 V DC, 54 mA) and pin 8
(GND), as shown in
● If the signal quality is poor due to signal reflection caused by long communications
cables (longer than 200 m), set toggle switch 4 to ON for the furthest standalone AI/DI
module, as shown in
and restart the standalone AI/DI module for the new settings to take effect.
● The AI/DI_1 port can connect to the UPS run indicator.
status.
UPS Working
Mode
Bypass mode or
no power supply
mode
Normal mode,
battery mode,
mains ECO mode,
or battery ECO
mode
All UPSs work in
normal mode,
battery mode,
mains ECO mode,
or battery ECO
mode.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Figure
3-5.
Figure
3-5. After the DIP switch settings are modified, power off
(2) 12 V DC power supply port (3) 15 V DC power input
(5) Cascading port
AI/DI_1 Port
Output Voltage
12 V
0 V
0 V
3 Installation and Basic Settings
Table 3-3
shows the indicator
(adapter required)
UPS Run
Indicator Status
On
Off
Off
12
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