Positioning Range Error

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This fault occurs in positioning applications when the current motor position exceeds the limits defined by the position range specification parameters (P072-P073). It indicates that the motor has moved beyond its allowed operational boundaries, causing the inverter to shut off its output to prevent mechanical damage.

• Incorrectly set position range parameters P072 (Position Limit P) or P073 (Position Limit N), defining a range smaller than the required travel.
• Mechanical obstruction or end-stop preventing the motor from reaching its commanded target position within the allowed range.
• Loss of encoder pulses or miscounting leading to an inaccurate representation of the motor's actual position.
• Excessive external force or load pushing the motor past its intended position boundaries.
• Inaccurate home position or zero point reference, causing subsequent absolute position commands to reference an incorrect origin.

Klikk på steg for å spore fremgangen.

1. 1

   Verify the mechanical travel limits of the system. Confirm that the physical movement range of the driven load is correctly aligned with the configured software limits.

2. 2

   Review and adjust parameters P072 (Positive Position Limit) and P073 (Negative Position Limit) to ensure they cover the full required operational range of the axis, with appropriate safety margins.

3. 3

   Manually move the axis through its full travel range (if safe and possible) and observe the actual position feedback (e.g., F005) on the drive display to identify any discrepancies or mechanical binding.

4. 4

   Check the homing procedure and parameters (e.g., P070, P071) for accuracy. Re-perform the homing sequence to establish a precise zero position.

5. 5

   Monitor the position error (e.g., P075) during operation to see if it progressively increases before the fault, indicating inadequate torque or external interference.

6. 6

   Inspect the encoder feedback system for any loose connections or noise that could cause pulse miscounts, especially for wires connected to X1 terminals.