Function
A function calculates a result according to the current value of its inputs. A function has no internal data and is not linked to declared instances. - A selected Axis performs a move for a specified distance relative to the current position.
Inputs
|
Input |
Data Type |
Range |
Unit |
Default |
Description |
|---|---|---|---|---|---|
|
ID |
DINT |
No range |
N/A |
No default |
ID Name of the Axis block. |
|
DeltaPosition |
LREAL |
No range |
User units |
No default |
Sets the Axis Delta Position or the relative distance to be moved. See Set the Axis Block Position Units for more information. |
Outputs
|
Output |
Data Type |
Range |
Unit |
Description |
|---|---|---|---|---|
|
Default (.Q) |
BOOL |
|
|
Returns TRUE when the function successfully executes.
|
Remarks
-
-
Use MLAxisGenIsRdy to know when a move has completed.
The output of MLAxisRel can occur before moves have finished.
- See Examples of Axis Functions for more information.
DeltaPosition Axis
- The DeltaPosition input is signed so:
- The move can be in the positive or negative direction.
- The Axis moves this distance in User units.
- The travel speed, acceleration, deceleration, and User units of the move are values inherited from the selected Axis.
- The default settings are entered when an Axis is created and initiated, and can be changed with other MLAxis commands.
FBD Language Example
FFLD Language Example
-
-
A pulse contact is required to start the FB.
IL Language Example
Not available.
ST Language Example
MLAxisRel(PipeNetwork.Axis1, 2500 ) ;
See Also
