| Command | Default Data Type | Description | Part | Axis | R/W | Data Range |
| M_SSEC_KEYHIST_SAMPSTS | T_CHAR | Collection status of sampling | -- | -- | R | 0,1,2 |
| M_SSEC_KEYHIST_HISTSTS | T_CHAR | Collection status of history | -- | -- | R | 0,1 |
| M_SSEC_KEYHIST_SPEC_SYS | T_CHAR | Specification-Part system | -- | -- | RW | 0x00 to 0x0F |
| M_SSEC_KEYHIST_SPEC_SP | T_CHAR | Specification-Spindle | -- | -- | RW | 0x00 to 0x0F |
| M_SSEC_KEYHIST_SPEC_SV | T_SHORT | Specification-Servo | -- | -- | RW | 0x0000 to 0xFFFF |
| M_SSEC_KEYHIST_DATA_HW | T_LONG | Data-Hardware configuration | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_SW | T_LONG | Data-Software configuration | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_KEYHIST | T_LONG | Data-Key history | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_ALARMHIST | T_LONG | Data-Alarm history | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_PLCIOHIST | T_LONG | Data-PLC input/output signal history | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_ACINHIST | T_LONG | Data-AC input power supply error history | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_SPDATA1 | T_LONG | Data-Spindle data 1 | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_SPDATA2 | T_LONG | Data-Spindle data 2 | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_SVDATA1 | T_LONG | Data-Servo data 1 | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_SVDATA2 | T_LONG | Data-Servo data 2 | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_MODALINFO | T_LONG | Data-Modal information | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_PRGDATA | T_LONG | Data-Program data | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_DATA_COORDDATA | T_LONG | Data-Coordination data | -- | -- | RW | 0,1 |
| M_SSEC_KEYHIST_SAMP_TRIGGER | T_LONG | Request of sampling start/stop (Manual) | -- | -- | W | 0,1 |
| M_SSEC_KEYHIST_HIST_TRIGGER | T_LONG | Request of history start/stop (Manual) | -- | -- | W | 0,1 |
| M_SSEC_KEYHIST_PWON | T_LONG | Request of data collection start/stop at power ON | -- | -- | W | 0,1 |
| M_SSEC_KEYHIST_SAMP_CLR | T_LONG | Sampling data clear | -- | -- | W | 1 |
| M_SSEC_KEYHIST_HIST_CLR | T_LONG | History data clear | -- | -- | W | 1 |
| M_SSEC_KEYHIST_ALMHIST_CLR | T_LONG | Alarm history data clear | - | -- | W | 1 |
