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代码 26002: Axis %1 encoder %2 parameterization error: number of encoder marks

问题描述与安全警告

Siemens SINUMERIK 840D CNC 触发了严重的 Axis %1 encoder %2 parameterization error: number of encoder marks 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

Parameters: %1 = Axis name, spindle number %2 = Encoder number Definitions: 1. Rotary measuring system (MD31000 $MA_ENC_IS_LINEAR[]==FALSE) The number of encoder marks set in MD31020 $MA_E NC_RESOL[] does not correspond to the value in the drive machine data (SIMODRIVE 611D: MD1005 $MD_ENC_RESOL_MOTOR; PROFIdrive: p979) or zero has been entered in one of the two machine data. 2. Absolute measuring system with EnDat interface (MD5790 $MD_ENC_TYPE[]==4) On absolute encoders, the resolution of the incremen tal and absolute tracks s upplied by the drive is also checked for consistency. For PROFIdrive drives: Compare drive parameter p979 (and possibly other internal drive, manufacture-specific parameters stated in the relevant drive documentation) Reaction: Mode group not ready. The NC switches to follow-up mode. Channel not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm. Channel not ready. Remedy: Please inform the authorized personnel/service department. Adjust machine data. For absolute encoders, possibly pending drive alarms indicating encoder problems should be evaluated. They could be the cause of incorrect entries of MD1022 $MD_ENC_ABS_RESOL_MOTOR/MD1032 $MD_ENC_ ABS_RESOL_DIRECT, which the drive reads out of the encoder itself. Program Continuation: Switch control OFF - ON.

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 26002 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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