MLAxisReadVel

Description

Return the actual velocity of the axis as calculated internally by the drive mapped to it, based on the data provided by the feedback deviceA process whereby some proportion of the output signal of a system is passed (fed back) to the input. In automation, a device coupled to each motor to provide indication of the motor's shaft angle, for use in commutating the motor and controlling its speed and position of the drive.

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• This function or function block returns cached data. See Programming a Dual Core Controller for more information.

Arguments

Input

ID	Description	Pipe network identifier of the axis block
	Data type	DINT
	Range	—
	Unit	n/a
	Default	—

Output

Velocity	Description	Actual velocity returned by the drive associated to the axis
	Data type	LREAL
	Unit	User unit/sec

Related Functions

MLAxisReadActPos

MLAxisReadTq

Example

Structured Text

Axis1_Velocity := MLAxisReadVel(PipeNetwork.Axis1 ) ;

Ladder Diagram

Function Block Diagram

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