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.
