TrackingDeviationLimit

General

Type	ES
Offline editable	Yes
Devices supporting the parameter	Lexium LXM52 Drive, Lexium LXM52 Linear Drive, Lexium LXM62 Drive, Lexium LXM62 Linear Drive, Lexium ILM62 Drive Module
Traceable	Yes

Functional Description

The parameter represents the maximum tracking deviation of the position controller (position_reference value - position_actual value).

For rotary drives, the TrackingDeviationLimit is limited to 1000 units (load side) or 500 revolutions (motor side). The lesser of the two limits is the active limitation.

For linear drives, there is only the limitation to 1000 units.

If the maximum tracking deviation is exceeded, then the diagnostic message 8132 Tracking deviation limit exceeded with the respective response is triggered. If the maximum tracking deviation value is reached or exceeded by a factor of eight, a diagnostic message 8111 Tracking deviation shutdown is issued. Too great of a parameter value causes a delayed triggering of diagnostic messages with the corresponding reactions.

WARNING
	UNINTENDED MOVEMENT Set a suitable maximum value, given your application limits, of the parameter. Failure to follow these instructions can result in death, serious injury, or equipment damage.

NOTE: The parameter value is transferred from the master to the slave via the parameter channel of the Sercos at every access. Typically, this takes about 10 ms. However, times up to 1 s may be realized if large amounts of data are transferred on the parameter channel.

This parameter has no effect for asynchronous motors in open-loop V / f mode (ControlMode = open-loop control / 1).