Delta DVP-15MC Series - Page 947

Appendix D Explanation of Homing Modes
D-7
D_
 Mode 8
Circumstance 1： When the home switch is OFF, MC_Home instruction is executed and the axis moves
in the positive direction at the first-phase speed. The axis moves at the second-phase
speed when the home switch is ON and where the first Z pulse is met is the home
position.
Circumstance 2： MC_Home instruction is executed and the axis moves in the negative direction at the
second-phase speed when the home switch is ON. The motion direction changes and
the axis moves at the second-phase speed when the home switch is OFF. And where
the first Z pulse is met is the home position.
Circumstance 3： When the home switch is OFF, MC_Home instruction is executed and the axis moves
in the positive direction at the first-phase speed. The motion direction changes and the
axis moves at the first-phase speed when the home switch is OFF and the positive
limit switch is ON. The axis still moves at the first-phase speed when the home switch
is ON. The motion direction changes and the axis moves at the first-phase speed when
the home switch is OFF. The axis moves at the second-phase speed and where the
first Z pulse is met is the home position when the home switch is ON.
Homing depending on the home switch, positive limit switch and Z pulse (: mode 8)
Z pulse
Home switch
Positive limit switch
8
8
8
Circumstance 1
Circumstance 2
Circumstance 3
Start
point
Start point
Start
point
Positive direction
Positive direction
Positive direction