COM_MOD_FCT23_TYPEΒΆ

Parameter Value
Library_File_Name Modbus_AC500_V10.lib
Firmware V2.2

This structure is used to handle the Modbus function 23 with the Function Block COM_MOD_MAST COM_MOD_MAST. The structure has to be used at the DATA input with an ADR(instance_of_struct) operator.

Note

Modbus function 23 could only be used with CPUs with Onboard Ethernet.

Type and the content need to be created and defined by the user.

Visible variable Type Default value Description
pByDataWrite POINTER TO BYTE 0 Pointer to buffer containing data to write. Compare FCT 16 input DATA
pByDataRead POINTER TO BYTE 0 Pointer to buffer to store data to read. Compare FCT 03 input DATA
wDataAddressRead WORD 0 Address of the data to be read. Compare FCT 16 input ADDR
wNumDataUnitsRead WORD 0 Number of data units to be read. Compare FCT 16 input NB