Siemens SINUMERIK codes
AxisMD

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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 30-120 minutes

Alarm 300704

Siemens 300704 - Axis drive speed controller cycle time invalid

In the drive MD 1001: $MD_SPEEDCTRL_CYCLE_TIME 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.

Siemens SINUMERIKServo/AxisIntermediate30-120 minutes

300704

Siemens 300704 - Axis drive speed controller cycle time invalid

Axis drive speed controller cycle time invalid

In the drive MD 1001: $MD_SPEEDCTRL_CYCLE_TIME 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

  • In the drive MD 1001: $MD_SPEEDCTRL_CYCLE_TIME

Troubleshooting Steps

  1. 1Please inform the authorized personnel/service department.
  2. 2The following values are permissible: 611D control module Speed controller cycle - Standard control as 1-axis: >= 125 µs - Standard control as 2-axis: >= 500 µs - Performance 1-axis: >= 62.5 µs (MSD >= 125 µs) - Performance 2-axis: >= 125 µs - 810D: >= 312.5 µs - MCU: >= 125 µs - Performance 2, 1-axis: >= 31.25 µs - Performance 2, 2-axis: >= 62.5 µs
  3. 3Switch control OFF - ON

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