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FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Communications Ports
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Appeara
nce
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Appearance
Issue 03 (2021-04-20)
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
USB port: connects a WiFi module or USB flash drive.
USB Port
● Connects the WiFi module to the unit over the Service
Expert app. You can obtain the service authorization
code when the unit is powered on for the first time, and
view or obtain the running information about the unit
during inspection. The user must be an authorized
service engineer. To ensure security, remove the WiFi
module immediately after use.
● Connects a USB flash drive to export data, import and
export configuration files, import certificates and keys,
and upgrade the version.
NO TE
This port is protected by a security mechanism.
Copyright © Huawei Digital Power Technologies Co., Ltd.
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
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
-
24
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