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RMS-SNMP01A SNMP Card
User Manual
3 Installation and Basic Settings
Issue 08 (2020-01-09)
Copyright © Huawei Technologies Co., Ltd.
18
Table 3-5
Mapping between wiring terminals and signals
Pin
CIM Signal
Hall Effect Sensor
Signal
Description
1
+12 V
+12 V
Detects the charge and
discharge currents of four
battery strings, namely
eight battery routes.
2
–12 V
–12 V
3
AI
M
4
GND
GND
Arrange the positive and negative Hall effect sensor cables based on the battery string number in the
sequence of first positive and then negative.
3.5.5 External Dry Contact Card
An external dry contact card can be configured for the SNMP card. You are advised to
configure an external dry contact card of the model RMS-RELAY02B.
Figure 3-13
External dry contact card
(1) External dry contact card (2) RUN indicator
(3) ALM indicator
(4) RS485_IN port
(5) RS485_OUT port
(6) Dry contact