COMFILE Technology's Documentation Library - cubloc:basic_modbus_rtu_master
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2026-04-30T18:42:53+00:00COMFILE Technology's Documentation Library
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An Example Modbus RTU Master Written in BASIC
#Include "MSB6XX"
Ramclear
Dim RxByte As Byte
Dim _Txb(80) As Byte
Dim MBdata(32) As Integer
Dim _Crcres As Integer
On Recv3 Gosub GETMODBUS ' Data Receive Interrupt routine
Set Ladder On
Do
MBreadReg 3, 1, 28682, 1
Wait 1000
Loop
GETMODBUS:
Debug "Response: "
Do While Blen(3,0) > 0 ' While buffer is not empty then
RxByte = Get(3, 1) ' Get byte from RX Buffer
Debug Hex RxByte, " " ' Print byte to debug console
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