| Command | Description |
| SECT_MEL_DGN_OPRT_INIT | Initialization of diagnostic information |
| SECT_MEL_DGN_INFO_CHECK | Check for existence of diagnostic information |
| SECT_MEL_DGN_SRAM_SIZE | SRAM maximum size of diagnostic information |
| SECT_MEL_DGN_DRAM_SIZE | DRAM maximum size of diagnostic information |
| SECT_MEL_DGN_NCKEY_SIZE | NC key single piece size of history data |
| SECT_MEL_DGN_ALARM_SIZE | NC Alarm history data single size |
| SECT_MEL_DGN_PLC_SIZE | Individual size of PLC signal history data |
| SECT_MEL_DGN_OPPLC_SIZE | Independent size of arbitrary PLC signal history data |
| SECT_MEL_DGN_SWTASK_SIZE | S / W task history data single size |
| SECT_MEL_DGN_POWER_SIZE | Unit size of power supply voltage history data |
| SECT_MEL_DGN_MODAL_SIZE | Individual size of modal information history data |
| SECT_MEL_DGN_PREPRO_SIZE | PREPRO Single size of sampling data |
| SECT_MEL_DGN_ISYNC_FIX_SIZE | ISYNC Sampling data fixed part single size |
| SECT_MEL_DGN_ISYNC_AXIS_SIZE | ISYNC Sampling data Shaft size of axis part |
| SECT_MEL_DGN_MCPSP_FIX_SIZE | MCP spindle sampling data fixed part single size |
| SECT_MEL_DGN_MCPSP_AXIS_SIZE | MCP spindle sampling data axis part size alone |
| SECT_MEL_DGN_MCPSV_FIX_SIZE | MCP servo axis Sampling data fixed part single size |
| SECT_MEL_DGN_MCPSV_AXIS_SIZE | MCP Servo Axis Sampling Data Shaft Size of Single Shaft |
| SECT_MEL_DGN_DATA_EXIST_CHECK | Check for existence of diagnostic data |
| SECT_MEL_DGN_PARA_EFFECT | Setting valid |
| SECT_MEL_DGN_PARA_CHK_INT | Check interval |
| SECT_MEL_DGN_PARA_AUTO_SAVE | Auto save |
| SECT_MEL_DGN_PARA_START_TRG | Start trigger |
| SECT_MEL_DGN_PARA_STOP_TRG | Stop trigger |
| SECT_MEL_DGN_PARA_HIST_SUSP | Stop history |
| SECT_MEL_DGN_PARA_SAMP_SUSP | Stop sampling |
| SECT_MEL_DGN_PARA_PLC_COND | PLC condition |
| SECT_MEL_DGN_PARA_PLC_SIGN_1 | PLC signal name 1 |
| SECT_MEL_DGN_PARA_PLC_SIGN_2 | PLC signal name 2 |
| SECT_MEL_DGN_PARA_PLC_SIGN_3 | PLC signal name 3 |
| SECT_MEL_DGN_PARA_PLC_SIGN_4 | PLC signal name 4 |
| SECT_MEL_DGN_PARA_PLC_COND_1 | PLC signal condition 1 |
| SECT_MEL_DGN_PARA_PLC_COND_2 | PLC signal condition 2 |
| SECT_MEL_DGN_PARA_PLC_COND_3 | PLC signal condition 3 |
| SECT_MEL_DGN_PARA_PLC_COND_4 | PLC signal condition 4 |
| SECT_MEL_DGN_PARA_KEY_HIST_NUM | NC key history history number |
| SECT_MEL_DGN_PARA_KEY_HIST_MEM | NC key history memory area |
| SECT_MEL_DGN_PARA_ALM_HIST_NUM | NC alarm history history number |
| SECT_MEL_DGN_PARA_ALM_HIST_MEM | NC alarm history memory area |
| SECT_MEL_DGN_PARA_ALM_HIST_SYS | NC alarm history system designation |
| SECT_MEL_DGN_PARA_PLC_HIST_NUM | PLC signal history history number |
| SECT_MEL_DGN_PARA_PLC_HIST_MEM | PLC signal history memory area |
| SECT_MEL_DGN_PARA_OPLC_HIST_NUM | Optional PLC history number |
| SECT_MEL_DGN_PARA_OPLC_HIST_MEM | Optional PLC history memory area |
| SECT_MEL_DGN_PARA_OPLC_HIST_NAME_1 | Optional PLC history signal name 1 |
| SECT_MEL_DGN_PARA_OPLC_HIST_NAME_2 | Optional PLC history signal name 2 |
| SECT_MEL_DGN_PARA_OPLC_HIST_NAME_3 | Optional PLC history signal name 3 |
| SECT_MEL_DGN_PARA_OPLC_HIST_NAME_4 | Optional PLC history signal name 4 |
| SECT_MEL_DGN_PARA_OPLC_HIST_NAME_5 | Optional PLC history signal condition 1 |
| SECT_MEL_DGN_PARA_OPLC_HIST_NAME_6 | Optional PLC history signal condition 2 |
| SECT_MEL_DGN_PARA_OPLC_HIST_NAME_7 | Optional PLC history signal condition 3 |
| SECT_MEL_DGN_PARA_OPLC_HIST_NAME_8 | Optional PLC history signal condition 4 |
| SECT_MEL_DGN_PARA_MDL_HIST_NUM | Modal history history number |
| SECT_MEL_DGN_PARA_MDL_HIST_MEM | Modal history memory area |
| SECT_MEL_DGN_PARA_MDL_HIST_SYS | Modal history specification |
| SECT_MEL_DGN_PARA_PRE_SAMP_NUM | PREPRO Sampling number |
| SECT_MEL_DGN_PARA_PRE_SAMP_MEM | PREPRO Sampling memory area |
| SECT_MEL_DGN_PARA_PRE_SAMP_AXS | PREPRO Sampling axis specification |
| SECT_MEL_DGN_PARA_ISN_SAMP_TIM | ISYNC sampling time |
| SECT_MEL_DGN_PARA_ISN_SAMP_CYC | ISYNC sampling period |
| SECT_MEL_DGN_PARA_ISN_SAMP_MEM | ISYNC sampling memory area |
| SECT_MEL_DGN_PARA_ISN_SAMP_AXS | ISYNC sampling axis specification |
| SECT_MEL_DGN_PARA_MCP_SAMP_TIM | MCP sampling time |
| SECT_MEL_DGN_PARA_MCP_SAMP_CYC | MCP sampling period |
| SECT_MEL_DGN_PARA_MCP_SAMP_MEM | MCP sampling memory area |
| SECT_MEL_DGN_PARA_MCP_SAMP_SPD | MCP sampling spindle designation |
| SECT_MEL_DGN_PARA_MCP_SAMP_AXS | MCP sampling axis specification |
