Gree GMV BACnet Manual técnico e de serviço - Página 7

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2.2.4 INTERFACE

1）Diagram of interface

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.

GMV BACnet Gateway Technical Service Manual

CAN communication

interface connected

to the AC unit

Communication interface

of ethernet, used for

remote control

monitoring communication

Power input

Reserve 5-way

input IO port

Reserve 5-way

output IO port