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DOG method 3 (Based on back end + Z phase)
• The leading edge of the first home position (Z phase) in the home return direction set as a
home position after the detection of a trailing edge (back end) of the near home input
(HOME).
• In the case of the DOG method 3, the operation stops once after the detection of the trailing
edge of a near home input (HOME) as the home return positioning control mode
(Method33/34) of Servo Amplifier A6B/A5B is used. The home position is searched at a
home return creep speed again, and the operation stops when the leading edge of the first
home position (Z phase) is detected.
(Note): The home return positioning control mode (Method33/34) of Servo Amplifier A6B/A5B is a mode to detect an
index pulse as a home position. The home return direction of Method33 is the - direction, and that of Method34
is the + direction.
①
The starting point is
between the near home
input and limit (+) input.
(including the starting point
on the limit (+) input)
②
The starting point is on the
near home input.
③
The starting point is
between the near home
input and limit (-) input.
④
The starting point is on the
limit (-) input.
Limit (-) input
Z phase
Limit stop
deceleration time
Temporary stop
11.1 Types of Home Return
Near home input
Home return
deceleration time
Home return creep speed
Home return creep speed
Home return creep speed
Target speed
Home return creep speed
Target speed
Home return direction
Limit (+) input
Target speed
Home return
deceleration time
Home return
deceleration time
11-5
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