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SP1245

Communication Data Error (CNC Side, 30i Range)

Fanuc · AC Spindle Motor Alpha i-Beta i Series Parameters

Was bedeutet SP1245 ?

A communication data error was detected on the CNC side for Series 30i (codes SP1245 to SP1247). This indicates data corruption during transfer to the CNC.

Häufige Ursachen

  • Data corruption during transmission between CNC and spindle amplifier (30i range).
  • Timing issues with data packets on the communication bus.
  • External electromagnetic interference affecting data integrity.
  • Faulty transceiver chip on either the CNC or amplifier communication board.
  • Incorrect data framing or synchronization within the communication protocol.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Measure the signal integrity of the communication bus using a network analyzer.

  2. 2

    Verify that parameter P1-54 (communication settings) is accurately configured.

  3. 3

    Temporarily disable other peripherals connected to the same bus to rule out interference.

  4. 4

    Check for loose connections or damaged shielding on communication cables.

  5. 5

    Initiate a data transfer test and monitor for retransmissions or errors.

Alle Codes in diesem Handbuch durchsuchen (60)
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Fanuc AC Spindle Motor Alpha i-Beta i Series Parameters