MC_ReadActualVelocity_PTO: Get the Commanded Velocity of the Axis

Function Block Description

This function block returns the value of the commanded velocity of the axis.

Graphical Representation

IL and ST Representation

To see the general representation in IL or ST language, refer to the chapter Function and Function Block Representation.

Input Variables

This table describes the input variables:

Input	Type	Initial Value	Description
Axis	AXIS_REF_PTO	-	Name of the axis (instance) for which the function block is to be executed. In the devices tree, the name is declared in the controller configuration,.
Enable	BOOL	FALSE	When TRUE, the function block is executed. The values of the function block inputs can be modified continuously, and the outputs are updated continuously. When FALSE, terminates the function block execution and resets its outputs.

Input

Type

Initial Value

Description

Axis

AXIS_REF_PTO

Name of the axis (instance) for which the function block is to be executed. In the devices tree, the name is declared in the controller configuration,.

Enable

BOOL

FALSE

When TRUE, the function block is executed. The values of the function block inputs can be modified continuously, and the outputs are updated continuously.

When FALSE, terminates the function block execution and resets its outputs.

Output Variables

This table describes the output variables:

Output	Type	Initial Value	Description
Valid	BOOL	FALSE	Valid data is available at the function block output pin.
Error	BOOL	FALSE	If TRUE, indicates that an error was detected. Function block execution is finished.
ErrorId	PTO_ERROR	PTO_ERROR.NoError	When Error is TRUE: code of the error detected.
Velocity	DINT	0	Actual velocity of the axis (in Hz).