V/f Pattern Setting Incorrect

What does oPE10 mean?

The V/f pattern settings are configured incorrectly, specifically violating the hierarchical rules for frequency points: E1-04 ≥ E1-06 ≥ E1-07 ≥ E1-09. This prevents the drive from accurately generating the required voltage-to-frequency characteristic curve necessary for proper motor control.

• Manual misconfiguration of the V/f pattern frequency points where the required hierarchy (E1-04 ≥ E1-06 ≥ E1-07 ≥ E1-09) is violated.
• Parameter settings (E1-04, E1-06, E1-07, E1-09) were adjusted individually without considering their relative values.
• Parameter configuration uploaded from another drive with a different V/f pattern setup, leading to conflicts upon application.
• User attempts to set a breakpoint (e.g., E1-06) to a higher frequency than the base frequency (E1-04) or a lower breakpoint (E1-07) to a higher frequency than E1-06.

Click steps to track your progress.

1. 1

   1. Access the V/f pattern parameters: E1-04 (Base Frequency), E1-06 (Mid Frequency 1), E1-07 (Mid Frequency 2), and E1-09 (Minimum Frequency).

2. 2

   2. Verify the current values of these parameters and identify the specific violation of the E1-04 ≥ E1-06 ≥ E1-07 ≥ E1-09 rule.

3. 3

   3. Adjust the parameter values to ensure they conform to the required hierarchical order, starting from E1-04 and working down to E1-09.

4. 4

   4. As a general approach, set E1-04 to the maximum desired base frequency, then set E1-06, E1-07 to progressively lower values, and E1-09 to the lowest desired minimum frequency.

5. 5

   5. Perform a drive power cycle after setting the parameters.

6. 6

   6. Consider performing an Auto-tuning (e.g., Parameter P1-05) if the V/f pattern is significantly altered and the drive supports it.