Moog MSD Servo Drive Series

Fig. 8.48: Start condition for negative limit switch
MOOG
ID
No.: CB40859-001 Date: 02/2018
MSD Servo Drive- Device Help
196
8 Motion profile
8.5.9Homingmethod5and6:Negativereferencemark
andzeropulse
8.5.9.1Method(5):Startmovementindirectionofpositive(right)
hardwarelimitswitchwithzeropulse
 Startmovementindirectionofpositive(right)hardwarelimitswitch;atthis
timethereferencemarkisinactive.
 Thefirstzeropulseafterafallingedgefromthereferencemarkisthezero
point/homingpoint.
 Thedirectionofmovementreversesonanactiveedgefromthereference
mark.
 Startmovementindirectionofthenegativelimitswitchifthereferencemark
isinactive.
Fig. 8.49: Positive (right) hardware limit switch and zero pulse
8.5.9.2Method(5):Startmovementindirectionofthenegative
(left)hardwarelimitswitchwithzeropulse
 Startmovementindirectionofnegative(left)hardwarelimitswitch.
 Thedirectionofmovementreversesonaninactiveedgefromthereference
mark.