3 Control interfaces
Festo – GDCP-CMMS/D-FW-EN – 1404NH – Engli sh 71
3.4.5 For ward/revers e signals (CW/#CW/CCW/#CCW )
Signal
Description
CW/#CW Forward signals for control in a positive direction of rotation.
CC W/#CCW Reverse signals for control in a negative direction of rotation.
Tab. 3.13 Overview: Forward/reverse signals (CW/#CW/CCW/#CCW)
Timing diagram: Forward/reverse signals
Forward signal: CW
Forward signal: #CW
Reverse signal: CC W
Reverse signal: #CC W
Pulse period
Direction of rotation “positive”
Direction of rotation “negative”
Rotor position
Fig. 3.13 Timing diagram: Forward/reverse signals
Only one signal pair may be active for activation of the motor controller.
– Forward signals CW/#CW
– Reverse signals CCW/#CCW