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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
Measure the signal integrity of the communication bus using a network analyzer.
- 2
Verify that parameter P1-54 (communication settings) is accurately configured.
- 3
Temporarily disable other peripherals connected to the same bus to rule out interference.
- 4
Check for loose connections or damaged shielding on communication cables.
- 5
Initiate a data transfer test and monitor for retransmissions or errors.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Fanuc AC Spindle Motor Alpha i-Beta i Series Parameters