Huawei ECC800 User Manual page 77

ECC800 Data Center Controller
User Manual
Pin
3
4
HALL Current Monitoring Port
Figure 3-41 HALL current monitoring port pins
Table 3-60 HALL current monitoring port pin definitions
Pin
1
2
3
4
Issue 05 (2019-09-16)
Definition
NO
COM
Definiti Description
on
+12 V Detect the charge and discharge currents of four battery strings or
eight battery routes.
–12 V
AI
GND
If the battery string is configured with the neutral wire, measure the currents of the positive and

negative battery string cables. If the battery string is not configured with the neutral wire, measure
the current of either the positive or negative battery string cable. The following uses the scenario
where the battery string is configured with the neutral wire as an example.
Copyright © Huawei Technologies Co., Ltd.
Signal Status
Descriptio Descriptio
n n
contact
input is
closed.

Dry contract Open:
output signal The dry
contact
output is
open.
 Closed:
The dry
contact
output is
closed.
3 Device Description
Initial Remarks
Status
Open
67