#22 ModBus RS485 DWIN Master AI & AO - INPUT & HOLDING REGISTERS Commands 0x04, 0x03,0x06,0x10 

This is a detailed video on AI & AO Input & Holding registers using commands 0x04,0x03,0x06 & 0x10
AI ANALOG INPUT REGISTERS (READ) PLC Registers 30001-40000
AO ANALOG OUTPUT HOLDING REGISTERS (READ/WRITE) PLC Registers 40001-50000
DWIN is configured as Master by downloading OS file baud rate 9600, UART5 configured for RS485 Modbus.
Slave simulator is PYMODSLAVE a python based QT Freeware application.
sourceforge.ne...
Buy link & Project file download:
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