Lenze PM94P01C - Manual (Page 72)

PM94P01C 70
Programming
2.15.9.12 Homing Method 12: Homing on the Home Switch & Index Pulse
Using this method the initial direction of movement is positive (if the homing switch is active). The home position is the
first index pulse to the negative of the position where the homing switch becomes inactive.
Axis will accelerate to fast homing velocity in the positive direction and continue until Homing Switch (selectable via
Var_Home_Switch_Input Variable) is deactivated (falling edge) shown at position A. Axis then decelerates to zero
velocity.
If the homing switch is already inactive when the homing routine commences then this initial move is not executed.
Axis will then accelerate to fast homing velocity in negative direction. Motion will continue until first the rising edge of
the Homing switch is detected (position B) and then the rising edge of the first index pulse (position 12) is detected.
NOTE: if it the axis is on the wrong side of the homing switch when homing is started then the axis will move negative
until it contacts the negative limit switch (A1). Upon activating the negative limit switch the axis will change direction
(positive) following the procedure as detailed above.
A
B
B
12
12
Index Pulse
(via Input C3)
Homing Switch
(Var_Home_Switch_Input)
Figure 36: Homing Method 12