代码 112420: Error on changing over inch/metric!%nCheck all data!
问题描述与安全警告
Siemens SINUMERIK 840D CNC 触发了严重的 Error on changing over inch/metric!%nCheck all data! 警报。需要由合格的操作员或维修技师立即处理,以防止在制造周期中对设备造成二次损坏或导致零件报废。在接触电气控制箱之前,请务必确保遵循标准安全和停机挂牌 (LOTO) 程序。
官方故障排除步骤
Definitions: The switchover of the data for the in ch/metric conversion was not completed. This alarm can only appear in the event of hardware defects. Reaction: NC Start disable in this channel. Alarm display. Remedy: The following data must be checked: Display MD's: MD9655: $MM_CMM_CYC_PECKING_DIST MD9656: $MM_CMM_CYC_DRILL_RELEASE_DIST MD9658: $MM_CMM_CYC_MIN_COUNT_PO_TO_RAD MD9664: $MM_CMM_MAX_INP_FEED_P_MIN MD9665: $MM_CMM_MAX_INP_FEED_P_ROT MD9666: $MM_CMM_MAX_INP_FEED_P_TOOTH MD9670: $MM_CMM_START_RAD_CONTOUR_POCKET MD9752: $MM_CMM_MEASURING_DISTANCE MD9753: $MM_CMM_MEAS_DIST_MAN MD9754: $MM_CMM_MEAS_DIST_TOOL_LENGTH MD9755: $MM_CMM_MEAS_DIST_TOOL_RADIUS HMI-Alarms MD9756: $MM_CMM_MEASURING_FEED MD9757: $MM_CMM_FEED_WITH_COLL_CTRL MD9758: $MM_CMM_POS_FEED_WITH_COLL_CTRL MD9759: $MM_CMM_MAX_CIRC_SPEED_ROT_SP MD9761: $MM_CMM_MIN_FEED_ROT_SP MD9762: $MM_CMM_MEAS_TOL_ROT_SP MD9765: $MM_CMM_T_PROBE_DIAM_LENGTH_MEAS MD9766: $MM_CMM_T_PROBE_DIAM_RAD_MEAS MD9767: $MM_CMM_T_PROBE_DIST_RAD_MEAS MD10240: $MN_SCALING_SYSTEM_IS_METRIC MD20150 [12]: $MC_GCODE_RESET_VALUES Tool data for various cutting edges D: length Z, radius R, wear length radius Z and R. Zero offsets: Basic offset position in X, Y, Z, as well as A, C (if available) zero offset. Settings in operating mode MANUAL: Retraction plane, safety clearance. Program Continuation: Internal
Source: SINUMERIK 840D sl / 840Di sl / SINAMICS S120 Diagnostics Manual (DAsl, 03/2009)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
关于 Siemens SINUMERIK 840D CNC 警报
由 Siemens 制造的工业控制器具有广泛的诊断系统,用于保护内部电路和机械连杆。当 SINUMERIK 840D CNC 出现类似 112420 的错误代码时,通常表示指令值与实际传感器反馈之间存在不匹配。
完整报警清单: 4014 Siemens SINUMERIK 840D CNC 代码s.
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