A/D Conversion Error

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An error occurred during the analog-to-digital conversion process within the drive. This can affect the accuracy of sensor readings and internal measurements.

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1. 1

   Verify external wiring for all analog input and output signals connected to the drive, checking for integrity and shielding.

2. 2

   Measure the actual analog input signal voltage/current directly at the drive's input terminals to confirm it is within specification and free from excessive noise.

3. 3

   Check drive parameters related to analog input configuration, scaling, offset, and filtering (e.g., A1-xx parameters) for correct settings.

4. 4

   Inspect the control terminal block and associated connections for any signs of loose terminals, corrosion, or contamination.

5. 5

   Verify the grounding integrity of the drive, control circuits, and connected analog sensors.