iBAT 2.0-CIM01C2
User Manual
2 Overview
Issue 07 (2019-01-02)
Copyright © Huawei Technologies Co., Ltd.
8
COM Port
Figure 2-5
COM port pins
Table 2-4
COM port pin definitions
Pin
Signal
Description
1
RS485+
Two cascaded RS485
communication ports
2
RS485–
3
NC
4
RS485+
5
RS485–
6
GND
7
NC
8
NC
DI and DO Ports
Table 2-5
DI and DO port pin definitions
Pin Definition Signal
Description
Status Description Initial
Status
Remarks
1
+
Dry contact
input signal
Open: The dry
contact input is
open.
Closed: The dry
contact input is
closed.
Open
Dry contact
input and
output signal
2
–
3
NO
Dry contract
Open: The dry
Open