Tolerant Encoder Monitoring - Siemens SINAMICS S120 Function Manual

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Tolerant encoder monitoring

The tolerant encoder monitoring offers the following expanded functionality regarding the

evaluation of encoder signals:

● Encoder track monitoring (Page 324)

● Zero mark tolerance (Page 325) (also for other sensor modules)

● Freeze speed raw value (Page 326)

● Adjustable hardware filter (Page 326)

● Edge evaluation of the zero mark (Page 328)

● Pole position adaptation (Page 329)

● Pulse number correction for faults (Page 329)

● Monitoring, tolerance band, pulse number (Page 330)

● Expansion of the encoder evaluation (1x, 4x) (Page 332)

● Setting the measuring time to evaluate speed "0" (Page 333)

● The number of current controller cycles can be set to generate the average value of the

These supplementary functions allow you to improve the evaluation of your encoder signals.

This may be necessary in special cases where the Control Unit receives incorrect encoder

signals or specific properties of the signals must be compensated for.

Some of these supplementary functions can be combined with one another.

Drive functions

Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3

speed actual value (Page 333)

6.19 Tolerant encoder monitoring

Basic functions