Gree GMV-400WM/B-X - Page 283

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
280
1.4.2.4 Hardware Debug
1. DIP Switch
Note
The DIP switches shall be set prior to operation of the gateway.
This Modbus gateway includes two kinds of DIP switches, address DIP switch and function DIP switch.
Address
Function
(1) Structural Drawing of the DIP Switches
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.