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FusionCol8000-E400 Modular Indirect Evaporative
Cooling System
User Manual
(7) SW button
(10) COM/FE port
Indicators
Indicator
Running indicator (RUN)
Alarm indicator (ALM)
Communications Ports
●
●
●
●
Appeara
nce
Issue 04 (2022-06-30)
FE_1 and FE_2 ports: connect FE (MAC_CAN) teamwork communications
cables.
CAN_IN and CAN_OUT ports: connect CAN teamwork and RS485 monitoring
cascading communications cables.
RS485/12V port: connects a temperature and humidity (T/H) sensor.
COM/FE port: connects a monitoring communications cable.
Port
Pin
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6
PIN7
PIN8
Copyright © Huawei Technologies Co., Ltd.
(8) FE_2 port
(11) DP port
Status
Off
Blinking green
Off
Steady red
FE_1 and
CAN_IN
FE_2
and
CAN_OU
T
FE TX+
RS485 T+
(+)
FE TX–
RS485 T–
(–)
FE RX+
-
-
RS485 R+
-
RS485 R–
FE RX–
-
-
CANH
-
CANL
2 Product Description
(9) CAN_OUT port
-
Description
The unit is shut down.
The unit is started.
There is no alarm, or a
warning or minor alarm
is generated.
There is a major or
critical alarm.
RS485/1
COM/FE
2V Port
Port
RS485
FE TX+
HT+
RS485
FE TX–
HT–
12V
FE RX+
RS485
RS485+
HT+
RS485
RS485–
HT–
-
FE RX–
-
-
GND
-
20
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