FOCAS_IS_ALIVE_RESPONSE

This structure reports the communication status between the robot controller and the CNC via FOCAS. It is used as a lightweight heartbeat or connectivity check response.

BYTE#	Field Name	Data Type	Value	Remarks
0	handle	unsigned short		FOCAS connection handle ID
2	response	unsigned short	0 or 1	0: Offline 1: Online (CNC connection alive)

Total size: 4 bytes

Defined in: DRFS.h

typedef struct _FOCAS_IS_ALIVE_RESPONSE
{
    unsigned short handle;    /* FOCAS handle ID */
    unsigned short response;  /* 0: offline, 1: online */
} FOCAS_IS_ALIVE_RESPONSE, *LPFOCAS_IS_ALIVE_RESPONSE;