Gree GMV BACnet Manuel technique et d'entretien - Page 14

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CAN

RS485-1

RS232

RS485-2

Power

Run

Alarm

1.3 DI/DO

So far, this gateway supports 5 DIs (digital input) and 5 Dos (digital output), DO6 is reserved.

DI1...DI5

Digital input 0/1 digital signal (binary system), apply to active input.

DI 1: in CAN2 network, fire alarm signal, connect "1" to the power of 12V, input fire alarm

signal "1" in DI 1 port, then BACnet gateway will give out control, all units stop operation

immediately; disconnect "1" or connect to "0", input signal "0" in DI 1 port, resume operation of

all ODUs.

In CAN1 network, fire alarm signal, connect "1" to the power of 12V, input fire alarm

signal "1" in DI 1 port, then BACnet gateway will give out control, all units stop operation

immediately; disconnect "1" or connect to "0", input signal "0" in DI 1 port, resume operation of

IDUs manually.

DI 2...DI 5:Defined by the user.

DO1...DO5

Digital output Relay output, turn on the contactor oftentimes

Maximum admissible electric quantity: 250VAC, 3A; 30VDC, 3A

Usage example: Input "1" in DO 5 of BACnet protocol, the two contactors of DO5 relay will

close; input "0" in DO 5 of BACnet, the two contactors of DO 5 will cut off.

GMV BACnet Gateway Technical Service Manual

When receiving the data of equipment (eg. AC unit) which connects to BACnet

gateway, it blinks.

When transmitting data to the equipment (eg. AC unit) which connects to

BACnet gateway, it blinks.

This device does not use this LED indicator.

When power supply of BACnet gateway is normal, it is on.

When BACnet gateway is running normally, it blinks.

This device does not use this LED indicator.