Gree GMV BACnet

GMV BACnet Gateway Technical Service Manual
4
2.2.4 INTERFACE
1）Diagram of interface
CAN communication
interface connected
to the AC unit
Power input
Communication interface
of ethernet, used for
remote control
monitoring communication
Reserve 5-way
input IO port
Reserve 5-way
output IO port
2）Power
The input power is 100VAC-240VAC,50/60Hz.
WARNING! The ground protection of power input port must be connected; otherwise it
might be dangerous; besides, when the gateway is energized, don’t touch the power input.
Note: the power cord shall be fixed with bonding clamp in the kit, as shown in the fig.
3）Communication interface
CAB communication interface: connect it to the AC unit through the 2-core communication
line to realize the communication between BACnet gateway and the AC which adopts CAN
protocol.
RS485-1 communication interface: this device will not use this communication interface
temporarily.
RS485-2 communication interface: this device will not use this communication interface
temporarily.
USB and SD card interface:
this device will not use this interface temporarily.
Ethernet interface:
realize communication through network cable and BMS.