Festo Контроллер позиционирования CPX-CMAX - Manual (Page 83)

3. Drive functions
3−21
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
Movement monitoring (SPOS.MOV)
The bit SPOS.MOV indicates that the drive is moving. For this,
CMAX checks whether the speed signal exceeds the internal
limit (4 mm/s).
The internal status Drive in motion" is additionally filtered
with the switch−off time to simplify the evaluation in a PLC
program.
1
Target setpoint value
2
Reference setpoint
value
3
Actual value
4
Speed
5
Speed tolerance
6
Motion Complete
(SPOS.MC)
7
Internal status
Drive in motion"
8
Axis is moving
(SPOS.MOV)
9
Switch−off time T
OFF
1
2
3
4
5
6
7
9
8
9 9
Fig. 3/5: Movement monitoring
Overview of parameters involved
Parameters involved Description PNU
Speed tolerance (fixed: ±4 mm/s or 0.16 in/s) ć
Switch−off time T
OFF
(fixed: 30 ms) ć
Tab. 3/7: Parameters involved in movement monitoring