Gree GMV-120WM/B-F Service Manual

GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
314
MSBLSB
1 65432 7 8
0
1
Projecting lever
0 1
2) Address DIP Switch——Modbus Gateway Address Setting
The address DIP switch is intended to set the address of the Modbus gateway.
Precaution!
Before using this gateway, configure an address DIP switch first. This address must be unique in
the same bus network; or communication fails.
Value range of Modbus gateway address: 1~255.
Example:
The following figure shows how to set address 11.
1 2 3 4 5 6 7 8
1 1 0 1 0 0 0 0 11
Address Code
Add
Address DIP
Address DIP
1 65432 7 8
0
1
The following figure shows how to set address 43.
1 2 3 4 5 6 7 8
1 1 0 1 0 1 0 0 43
Address Code
Add
Address DIP
Address DIP
1 65432 7 8
0
1
3) Function DIP Switch-CAN Bus Matched Resistance Setting
Precaution!
The master ODU of air conditioning system or the gateway located at either end of the CAN2 bus
(see the topological drawing) should include a matched resistance; otherwise the normal communication
would fail.
The eighth position of this function DIP switch is used to set the matched resistance of the CAN2
bus.

Gree GMV-120WM/B-F Specifications

General

Brand	Gree
Model	GMV-120WM/B-F
Category	Inverter
Language	English