Tracking error

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Tracking error means the difference between the setpoint and measured actual output value. For example in a linear axis tracking error can be the distance between setpoint position and the position where axis really lies at the given moment.

Tracking error fault

In modern motor drives it's possible to define the permissible maximum value of tracking error which is allowed before drive enters in a fault state and stops. Tracking fault is useful for protecting the machine or users from damage if something is preventing mechanism from moving. In Granity this value is entered in Tracking error/param\ and Tracking error/param\ parameters.

Fault countermeasures

Tracking error fault is probably the most common fault in servo motor systems. Typical reasons and counter measures are:


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