VRF Protocol Gateway
4
5.1.2 Power
The input power supply is 24V DC, there are two power supply input interfaces,
only one is needed during operation; the power supply output is not applicable in
this device, please do not connect to electric appliance, otherwise it may cause
malfunction of gateway.
5.1.3 Communication Interface
CAN comm port:
connect it to the AC unit through the 2-core communication
line to realize the communication between Gateway and the AC which adopts CAN
protocol.
RS485-1 comm port:
connect to the BMS terminal through a two-core
communication line to realize the communication connection between the gateway
and the BMS terminal or the connection between adjacent gateways.
RS485-2 comm port:
this device will not use this communication interface
temporarily.
USB and SD card port:
this device will not use this interface temporarily.
Ethernet comm port ETH0:
realize communication through network cable and
BMS.
Ethernet comm port CONFIG:
this device will not use this interface
temporarily.
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