MC_ReadActualPosition
At its "position" output, the MC_ReadActualPosition returns the current position of an axis. It is assigned to the group of administrative FBs.
Blockdiagramm
Parameters of the FB
|
VAR_IN_OUT | ||
Variable name | Data type | Description |
axis | AXIS_REF | Axis reference |
|
VAR_INPUT | ||
Variable name | Data type | Description |
enable | BOOL | If the value if TRUE, the positions are supplied continuously. |
|
VAR_OUTPUT | ||
Variable name | Data type | Description |
Valid | BOOL | A current position is applied to the “Position” output of the FB. |
Error | BOOL | Indicates TRUE if an error occurs in the FB. |
ErrorID | WORD | Error code. |
Position | LREAL | Actual position of the axis, Default unit is [0.1 µm] |
Behaviour of the FB
- If "enable" is FALSE, the value 0.0 is output at the "position" output.
- If "done" is TRUE, the "position" of the axis at the output is updated.