Communications Ports
●
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.
Appeara
nce
Port
FE_1 and
FE_2
CAN_IN
and
CAN_OU
T
RS485/1
2V Port
COM/FE
Port
Pin
PIN1
FE TX+
RS485 T+
(+)
RS485
HT+
FE TX+
PIN2
FE TX–
RS485 T–
(–)
RS485
HT–
FE TX–
PIN3
FE RX+
-
12V
FE RX+
PIN4
-
RS485 R+ RS485
HT+
RS485+
PIN5
-
RS485 R– RS485
HT–
RS485–
PIN6
FE RX–
-
-
FE RX–
PIN7
-
CANH
-
-
PIN8
-
CANL
GND
-
●
USB port: connects a WiFi module or USB flash drive.
Appearance
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.
FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
2 Product Description
Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
24