2nd Motor Free Setting V/f Frequency 7 Exceeds Upper Limit
Omron · MX2 Inverter
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For the second motor settings, this warning occurs when the seventh point of the free setting V/f curve (b112), which also acts as the maximum frequency in this mode, is set higher than the 2nd frequency upper limit (A261). This creates an inconsistent operational boundary for V/f control for the second motor, limiting the actual achievable frequency.
Häufige Ursachen
- Parameter b112 (Free setting V/f curve frequency point 7) for the second motor is set higher than parameter A261 (2nd frequency upper limit).
- The V/f curve's maximum frequency point (b112) is configured to exceed the allowed operational upper frequency for the second motor (A261).
- Inconsistent parameter configuration where the free setting V/f curve attempts to command a frequency beyond the defined system limits for the second motor.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Read the current values of parameter b112 (Free setting V/f curve frequency point 7) and parameter A261 (2nd frequency upper limit).
- 2
Adjust parameter b112 to be less than or equal to parameter A261, ensuring the V/f curve point respects the upper frequency limit.
- 3
Alternatively, if a higher operational upper limit is required, increase A261 to a value greater than or equal to b112.
- 4
Save all parameter changes to the drive's memory and perform an inverter power cycle.