117
Rev. 2.0
07/27/2023
MBDV Hardware Manual
7.8.2.31 Return to origin mode 28: Negative return, look for the rising edge signal of the
origin sensor, and automatically reverse when the negative limit is encountered
H
H
H
L
L
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, start the return at a high speed in the negative direction, and encounter the rising
edge of HOM-SW After that, 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 the rising 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 falling edge of HOM-SW, decelerate, reverse, and run at low speed in the
negative direction, and encounter the falling edge of HOM-SW. Stop after rising edge.
c) HOM-SW=1 when starting to return, start returning at low speed in positive direction, after
encountering the falling edge of HOM-SW, decelerate, reverse, and run at low speed in negative
direction. Stop after the rising edge of HOM -SW.
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