Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 30-60 minutes

Alarm 20100

Siemens 840D 20100 - Channel: invalid configuration for digitizing

- The digitizing function expects the definition of 3 geometry axes in the channel. - At the available baud rate for a transmission of the actual positions and setpoint velocities between the NC and the digitizing device, the interpolation cycle must be set to a minimum of 5ms.

Siemens SINUMERIKServo/AxisIntermediate30-60 minutes

20100

Siemens 840D 20100 - Channel: invalid configuration for digitizing

Channel: invalid configuration for digitizing

- The digitizing function expects the definition of 3 geometry axes in the channel. - At the available baud rate for a transmission of the actual positions and setpoint velocities between the NC and the digitizing device, the interpolation cycle must be set to a minimum of 5ms.

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Common Causes

  • Fewer than 3 geometry axes defined in the active channel configuration
  • Interpolation cycle set below 5ms at current baud rate
  • Digitizing device communication parameters misconfigured
  • Channel assigned to digitizing function without proper axis setup
  • Baud rate insufficient for real-time data exchange at current interpolation cycle

Troubleshooting Steps

  1. 1Verify channel configuration contains exactly 3 or more geometry axes assigned; check NCK parameter AXCONF and axis definition tables in channel setup
  2. 2Review current interpolation cycle setting and increase to minimum 5ms if necessary; check SYSCYC or equivalent cycle time parameter
  3. 3Confirm baud rate setting matches digitizing device specification and supports required data throughput; cross-reference communication interface settings
  4. 4Disable digitizing function temporarily to isolate configuration error; re-enable with corrected axis and cycle parameters
  5. 5Save and reload channel configuration after corrections; perform control system reset if changes do not take effect

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