Rexroth IndraDrive HCS Error Code F7011

Rexroth PLC & VFD Critical Safety

Model: IndraDrive HCS | Code: F7011

Applicable Systems
EFC FEX FEI HNC

Symptoms

Safe positive position limit exceeded. The motor position has exceeded the safety-configured positive end-of-travel limit.

Possible Causes

  • Motor traveled beyond the positive safe position limit
  • Position feedback error causing false position indication
  • Safe positive limit parameter set incorrectly
  • Mechanical end-stop failure allowing overtravel

Troubleshooting Steps

  1. Step 1: Check the safe positive position limit parameter
    Parameter value matches the machine safety assessment
  2. Step 2: Verify position feedback accuracy
    Position reading matches actual mechanical position
  3. Step 3: Inspect positive direction mechanical end-stop
    End-stop is intact and functional
  4. Step 4: If motor genuinely overtraveled, investigate controller and brake
    Address controller tuning or brake issues

How to Reset

1) Verify position feedback. 2) Check safe positive limit. 3) Inspect mechanical end-stop. 4) Reset requires safety acknowledgment.

Frequently Asked Questions

  • Q: How do F7011 and F7021 relate?

    F7011 specifically triggers when the positive direction limit is exceeded. F7021 is the general safe terminal position fault. F7011 is a more specific sub-fault.

  • Q: What is the typical reset procedure for F7011?

    Clear the safety device that initiated the stop, verify the motor is within safe limits, then send a safety reset command from the safety PLC or safety relay.

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Source: Rexroth IndraDrive Safety Integrated Manual, Bosch Rexroth AG

Category: PLC & VFD