Huawei ECC800-Pro User Manual page 93

ECC800 Data Center Controller
User Manual (for ECC800-Pro)
DI and DO Ports
Table 3-77 DI and DO port pin definitions
Pin
1
2
3
4
HALL Current Monitoring Port
Figure 3-51 HALL current monitoring port pins
Table 3-78 Pin definitions for HALL current monitoring ports
Pin
1
2
3
4
Issue 02 (2020-09-07)
Defini Signal
tion Descriptio
n
+ Dry
contact
–
input
signal
NO Dry
contact
COM
output
signal
Copyright © Huawei Technologies Co., Ltd.
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.
Definition
+12V
–12V
AI
GND
3 Device Description
Initial Descriptio
Status n
Open Dry contact
input and
output
signals
Open
Description
Detect the charge and
discharge currents of
four battery strings or
eight battery routes.
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