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Code 201902: <location>IF1: PB/PN clock cycle synchronous operation parameterization not permissible

Problembeschreibung & Sicherheitswarnung

Die Siemens SINUMERIK 840D CNC hat einen kritischen <location>IF1: PB/PN clock cycle synchronous operation parameterization not permissible-Alarm ausgelöst. Sofortige Aufmerksamkeit durch einen qualifizierten Bediener oder Wartungstechniker ist erforderlich, um Folgeschäden an der Ausrüstung oder verdorbene Teile während des Fertigungszyklus zu vermeiden. Stellen Sie immer sicher, dass standardmäßige Sicherheits- und LOTO-Verfahren befolgt werden, bevor Sie auf Schaltschränke zugreifen.

Offizielle Schritte zur Fehlerbehebung

Message value: %1 Drive object: All objects Reaction: NONE Acknowledge: NONE Cause: Alarm value (r2124, interpret decimal): 0: Bus cycle time Tdp < 0.5 ms. 1: Bus cycle time Tdp > 32 ms. 2: Bus cycle time Tdp is not an integer mult iple of the current controller clock cycle. 3: Instant of the actual value sensi ng Ti > Bus cycle time Tdp or Ti = 0. 4: Instant of the actual value sensing Ti is not an integer multiple of the current controller clock cycle. 5: Instant of the setpoint acceptance To >= Bus cycle time Tdp or To = 0. 6: Instant of the setpoint acceptance To is not an in teger multiple of the current controller clock cycle. 7: Master application cycle time Tmapc is not an in teger multiple of the speed controller clock cycle. 8: Bus reserve bus cycle time Tdp - data exchange time Tdx less than two current controller clock cycles. 9: Bus cycle time Tdp has been modi fied with respect to the first time that the connection was established. 10: Instant of the setpoint acceptance not To <= data exchange time Tdx + To_min. 11: Master application cycle time Tmapc > 14 or Tmapc = 0. 12: PLL tolerance window Tpll_w > Tpll_w_max. 13: Bus cycle time Tdp is not a mult iple of all basic clock cycles p0110[x]. 14: For COMM BOARD with the setting To - 1 = Tdp - Ti, the instant of the setpoint acceptance is not To <= Data exchange time Tdx + 2 * To_min. 15: This configuration is not permitted for Tdp < 1 ms. 16: Instant of the actual value sensing Ti is less than the permi tted value (COMM BOARD: Ti >= 2). 17: The setting (To + Ti = Tdp + 2) is not permitted for COMM BOARD. Remedy: - adapt the parameterizing telegram. - adapt the current and speed controller clock cycle. Re alarm value = 9: - carry out a POWER ON. Re alarm value = 15: - check the number of specific drive object types in the configuration. Note: IF1: Interface 1 PB: PROFIBUS PN: PROFINET

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.

Über Siemens SINUMERIK 840D CNC Alarme

Industriesteuerungen von Siemens verfügen über umfangreiche Diagnosesysteme zum Schutz der internen Schaltkreise und mechanischen Verbindungen. Wenn eine SINUMERIK 840D CNC einen Fehlercode wie 201902 ausgibt, deutet dies typischerweise auf eine Diskrepanz zwischen befohlenen Werten und tatsächlichem Sensor-Feedback hin.

Vollständige Alarmliste: 4014 Siemens SINUMERIK 840D CNC codes.

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