119
Rev. 2.0
07/27/2023
MBDV Hardware Manual
7.8.2.33 Return to origin mode 30: Negative return, look for the falling edge signal of the
origin sensor, and automatically reverse when the negative limit is encountered.
L
H
H
H
L
L
Home Switch Signal
Negative limit switch signal
Movement Track
a) When starting to return, HOM-SW=0 and it is located on the positive side of the position of
the origin sensor. It starts to return at a high speed in the negative direction, and when the HOM-
SW rises After the edge, decelerate, reverse, and run at low speed in the forward direction to
the position where HOM -SW is invalid, then decelerate to stop, and then run at low speed in the
negative direction.
Stop after falling edge of SW.
b) HOM-SW=0 when starting to return, and it is located on the negative side of the origin sensor
position, and starts to return at a high speed in negative direction, and encounters the rising
edge of NOT. Then, decelerate, reverse, and run at high speed in the forward direction; after
encountering the rising edge of HOM-SW, decelerate, reverse, and run at low speed in the
negative direction, and encounter the lower speed of HOM-SW. Stop after falling edge.
c) When starting to return, HOM-SW=1, start the return at low speed in negative direction, and stop
after encountering the falling edge of HOM-SW.
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