Siemens SINUMERIK codes
Siemens SINUMERIKServo/AxisIntermediate30-120 minutes

300740

Siemens 300740 - Axis drive measuring system used several times

Axis drive measuring system used several times

The NC has assigned the direct measuring system to a measuring system output which is already used by another direct measuring system. This error can only occur with the 810D! Control reaction: NC not ready. The NC switches to follow-up mode. Channel not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm.

Safety

  • Drive/power/encoder circuit: hazardous voltages may remain in the DC link after power-off. Lock out / tag out, wait for discharge per the drive documentation, and use qualified personnel only.

Common Causes

  • The NC has assigned the direct measuring system to a measuring system output which is already used by another direct measuring system.
  • This error can only occur with the 810D!

Troubleshooting Steps

  1. 1Please inform the authorized personnel/service department.
  2. 2Check the configuration of the direct measuring system.
  3. 3See NC-MD 30220: $MA_ENC_MODULE_NR and NC-MD 30230: $MA_ENC_INPUT_NR.
  4. 4Switch control OFF - ON

Seeing Multiple Alarms?

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Always verify with your machine manual or a certified technician before performing service procedures.