A/D Conversion Fault

Was bedeutet CPF22 ?

A fault occurred within the analog-to-digital conversion circuitry of the drive. This affects the accuracy of input signal readings from sensors and other analog sources.

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1. 1

   Inspect all analog input wiring (signal and return) for proper shielding, secure connections, and absence of damage or corrosion at both the sensor and drive terminals.

2. 2

   Measure the actual analog input signal (e.g., voltage or current) directly at the drive's input terminals using a multimeter or oscilloscope, and compare to expected values and stability.

3. 3

   Verify drive parameters related to analog input configuration, scaling, offset, and filtering (e.g., A1-xx for P1000) match the connected sensor type and desired application.

4. 4

   Inspect the drive's control power supply grounding and the integrity of the overall panel grounding connections to minimize potential noise or interference.