代码 12556: [Channel %1: ] Block %2 name %3 Name is already known
问题描述与安全警告
Siemens SINUMERIK 840D CNC 触发了严重的 [Channel %1: ] Block %2 name %3 Name is already known 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 = Channel number %2 = Block number, label %3 = Source symbol Definitions: The name of the symbol to be created is part of the NC language scope and therefore already known. Although the NC function is not active, this nam e can no longer be used for GUDs, macros and PROC definitions. Reaction: Correction block is reorganized. Interface signals are set. Alarm display. Remedy: Press key NC Stop and select "Correction block" f unction by pressing softkey "Program correct". The correction indicator is set to the incorrect block. - Correct the name used (typing error) - With MD10711 $MN_NC_LANGUAGE_CONFIGURATI ON = 2 or 4, only those language commands are created, the option of which has been set or the function of which is active. Program Continuation: Clear alarm with NC ST ART or RESET key and continue the program.
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 12556 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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