Huawei iBattery 3.0 User Manual page 14

iBattery 3.0
User Manual
Table 2-4 COM port pin definitions
Pin
1
2
3
4
5
6
7
8
DI and DO Ports
Table 2-5 DI and DO port pin definitions
Pin
1
2
3
4
HALL Current Monitoring Port
Figure 2-6 HALL current monitoring port pins
Issue 07 (2019-12-30)
Signal
RS485+
RS485–
NC
RS485+
RS485–
GND
NC
NC
Definition Signal
Description
+ Dry contact
input signal
–
NO Dry contract
output signal
COM
Copyright © Huawei Technologies Co., Ltd.
Description
Two cascaded RS485 communication ports
Status Description
 Open: The dry contact
input is open.
 Closed: The dry contact
input is closed.
 Open: The dry contact
output is open.
 Closed: The dry contact
output is closed.
2 Overview
Initial Remarks
Status
Open Dry
contact
input and
output
signal
Open
8