MLAxisRead2ndFB

Description

Return the position given by the secondary 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 mapped to the specified axis.

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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

Position	Description	Position value returned by the secondary feedback
	Data type	LREAL
	Unit	User unit

Related Functions

MLAxisReadActPos

Example

Structured Text

Axis1_Position := MLAxisRead2ndFB ( PipeNetwork.Axis1 ) ;

Ladder Diagram

 

Function Block Diagram

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