Huawei ECC800 User Manual page 31

ECC800 Data Center Controller
User Manual (for ECC800-Pro)
Item
Indicator
Table 3-10 COM4/CAN port pin definitions
Item
Pin sequence
The following provides the AIDI_1, AIDI_2 and AIDI_3 ports pin definitions.
Table 3-11 AIDI_1, AIDI_2 and AIDI_3 ports pin definitions
Item
Pin sequence
Issue 06 (2020-04-22)
Pin5
Pin6
Pin7
Pin8
Green
indicator
Pin1
Pin2
Pin3
Pin4
Pin5
Pin6
Pin7
Pin8
 Pins 1, 2, 4, and 5 identify sensor types.
 Pin 3 and Pin 8 are power output ports.

Pin 6 and Pin 7 collect sensor data. Pin 7 can detect current type sensors (4–20 mA). Pin 6 and Pin 7
can detect the output status of passive dry contact type sensors. Pin 3 and Pin 7 can detect
temperature sensors.
Pin1
Pin2
Pin3
Pin4
Copyright © Huawei Technologies Co., Ltd.
Description
RS485-
-
-
GND
Power output indicator
 Steady on: The 12 V DC output is normal.
 Off: No 12 V DC output is provided.
Description
RS485+
RS485-
-
RS485+
RS485-
-
CAN_H
CAN_L
Description
Type_1
Type_2
12V DC
Type_3
3 Device Description
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