MODBUS
1、Summary
The communication protocol is between the wired controller and the unit, adopt Modbus RTU,
wired controller is Master, Unit is Slave.
2 Enabling
Menu > Assistance setting > password > operation parameter :
05 EnOnOff = 2
06 EnMode = 2
3 Communication spec:RS-485：
Protocol :ModbusRTU：9600,8,N,1
Baud rate : 9600bps
Data bits: 8 Data bits
Parity bit：None Parity
Stop bit: 1 stop bit
4 Function code
Unit address is setted by the encoder called “NET ADRESS”. The unit address is corresponding with
Encoder setting+1 (eg, if it is setted to 0, the corresponding unit address is 1). The unit address is shown
in the main borad in the display called “DSP1”.
The default encoder setting is 0. The default address is 1
It should power on the unit after set the dipswitch.
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