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CONFIG_DIGITAL_WELDING_IF_MAPPING_DATA

This structure defines the mapping configuration for digital welding interfaces, used to interpret and convert between digital I/O signals and analog welding parameters. It specifies data format, scaling, and bit/byte offsets for the controller’s digital communication.

BYTE#	Field Name	Data Type	Value	Remarks
0	_bEnable	unsigned char	0 or 1	Enable flag (0: Disabled, 1: Enabled)
1	_nDataType	unsigned char	0 or 1	Data interpretation type 0: On/Off signal 1: Value signal
2	_nPositionalNumber	unsigned char	0~2	Decimal position 0: 1 1: 0.1 2: 0.001
3	_fMinData	float		Minimum mapped data value
7	_fMaxData	float		Maximum mapped data value
11	_nByteOffset	unsigned char	0~255	Byte offset within the digital frame
12	_nBitOffset	unsigned char	0~7	Bit offset within the specified byte
13	_nComnDataType	unsigned char	0~7	Communication data type (0: 1-bit (Low active), 1: 1-bit (High active), 2: 2-bit 3: 4-bit, 4: 8-bit, 5: 15-byte, 6: 16-bit, 7: 32-bit)
14	_nMaxDigitSize	unsigned char		Maximum digital range value allowed for conversion

Total size: 15 bytes

Defined in: DRFS.h

typedef struct _CONFIG_DIGITAL_WELDING_IF_MAPPING_DATA
{
    /* Enable: 0 = Disabled, 1 = Enabled */
    unsigned char _bEnable;

    /* Data type: 0 = On/Off, 1 = Value */
    unsigned char _nDataType;

    /* Decimal position factor: 0 = ×1, 1 = ×0.1, 2 = ×0.001 */
    unsigned char _nPositionalNumber;

    /* Minimum mapped data value */
    float _fMinData;

    /* Maximum mapped data value */
    float _fMaxData;

    /* Byte offset within communication frame */
    unsigned char _nByteOffset;

    /* Bit offset within the byte */
    unsigned char _nBitOffset;

    /* Communication data type (1~32 bit mapping) */
    unsigned char _nComnDataType;

    /* Maximum digital range value */
    unsigned char _nMaxDigitSize;

} CONFIG_DIGITAL_WELDING_IF_MAPPING_DATA, *LPCONFIG_DIGITAL_WELDING_IF_MAPPING_DATA;

Note

• Used to map welding parameters (voltage, current, etc.) to digital protocol bits.

• Supports diverse data types (bit, byte, word, dword).

• _nPositionalNumber adjusts for scaling precision in numeric values.

• Enables integration with PLC-based welding controllers or digital fieldbus interfaces.