代码 208755: <location>CBC: Obj cannot be mapped
问题描述与安全警告
Siemens SINUMERIK 840D CNC 触发了严重的 <location>CBC: Obj cannot be mapped 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
Message value: Drive object: A_INF, B_INF, CU_LINK, CU_S, HUB, S_INF, SERVO, TB30, TM15, TM15DI_DO, TM17, TM31, TM41, TM54F_MA, TM54F_SL, VECTOR Reaction: NONE Acknowledge: NONE SINAMICS-Alarms Diagnostics Manual (DAsl), 03/2009 Cause: The CANopen object is not provided for t he Process Data Object (PDO) Mapping. Remedy: Use a CANopen object intended for the PDO mapping or enter 0. The following objects can be mapped in the Receive Process Data Object (RPDO) or Transmit Process Data Object (TPDO): - RPDO: 6040 hex, 6060 hex, 60FF hex, 6071 hex; 5800 hex - 580F hex; 5820 hex - 5827 hex - TPDO: 6041 hex, 6061 hex, 6063 hex, 6069 hex, 606B hex, 606C hex, 6074 hex; 5810 hex - 581F hex; 5830 hex - 5837 hex Only sub-index 0 of the specified objects can be mapped. Note: As long as A08755 is present, the COB-ID cannot be set to valid.
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 208755 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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