The function block detects the position and delivers a puls per each round of motor. The detection starts when the fb is enabled. As startposition is the actual position set at the moment when the is enabled.
If the motors stops it has to be send to the fb via the input "x_Stand_Still".
| Recommended Task: |
EVENT |
| Libraries used: |
none |
InOut Parameter
Input Parameter
| Marking: |
Data type: |
Description: |
| x_Enable |
BOOL |
FALSE: disable the fb TRUE: enable the fb and set the actual position as start position for a complete turn. |
| x_Direction |
BOOL |
FALSE: drive turns in positive direction (positive speed) TRUE: drive turns in negative direction (negative speed). |
| x_Stand_Still |
BOOL |
FALSE: drive moves TRUE: drive moves not (speed = 0). |
| ud_Inc_Res |
UDINT |
increments for a complete turn, for example 65535. |
| ud_Actual_Pos |
UDINT |
Actual position value of the drive (for example from 0 to 65535). |
Output Parameter
| Marking: |
Data type: |
Description: |
| x_Error |
BOOL |
LH-edge: a complete turn of the motor was detected. |
| x_Round_Trig |
BOOL |
FALSE: fb has no error TRUE: fb has error, for more informations see "w_Error_Info". |
| w_Error_info |
WORD |
bitcoded detaillled description of the errors, see table. |
| ud_Round_Pos |
UDINT |
rest of the way to a complete turn. |
| w_Error_Info |
Description: |
| Bit 0 |
increments of a whole turn (ud_Inc_Res) = 0 |
| Bit 15 |
no technology license at PLC platform |
