Function

Used to define what data is being sent to or received from the ModbusServer.

Code	Name	Description
01	Read Coil/Port Status	Reads the On/Off status of discrete output(s) in the ModbusServer
02	Read Input Status	Reads the On/Off status of discrete input(s) in the ModbusServer
03	Read Holding Registers	Reads the binary contents of holding register(s) in the ModbusServer
04	Read Input Registers	Reads the binary contents of input register(s) in the ModbusServer
05	Force Single Coil/Por	Forces a single Coil/Port in the ModbusServer to either On or Off
06	Write Single Register	Writes a single register value (16-bit long) to a ModbusServer. (ModbusOption must be set to 1)
15	Force Multiple Coils/Ports	Forces multiple Coils/Ports in the ModbusServer to either On or Off
16	Write Multiple Registers	Writes values into a series of holding registers in the ModbusServer

Type: Variable or Constant