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MODBUS_REGISTER

A single Modbus I/O entry containing the I/O symbol name and its current value.

BYTE#	Field Name	Data Type	Value	Remarks
0	_szSymbol	char[MAX_SYMBOL_SIZE]		Modbus I/O name (null-terminated if shorter; e.g., 32 bytes in legacy manual)
32	_iValue	unsigned short		Modbus I/O value (raw 16-bit register)

Total size: 34 bytes

Defined in: DRFS.h

typedef struct _MODBUS_REGISTER
{
    char           _szSymbol[MAX_SYMBOL_SIZE]; /* modbus i/o name */
    unsigned short _iValue;                    /* modbus i/o value */
} MODBUS_REGISTER, *LPMODBUS_REGISTER;