Supported Functions

The Controller supports following Modbus functions.

Function code	Function name	Description
1	Read Coil Status	Use this function to read the status of the input bit port. No broadcast.
2	Read Input Status	Use this function to read the status of the output bit port. No broadcast.
3	Read Holding Registers	Use this function to read the status of the input word port. No broadcast.
4	Read Input Registers	Use this function to read the status of the output word port. No broadcast.
5	Force Single Coil	Use this function to configure an input bit port.
6	Preset Single Register	Use this function to configure an input word port.
15	Force Multiple Coils	Use this function to configure several input bit ports.
16	Preset Multiple Registers	Use this function to configure several input word port.