Operating instructions

04/08 Application manual Positioning 137
5.5.2 Homing modes without reference signal
Operation mode 17: Homing to negative HW limit switch without encoder
ref. signal.
Dest.: Negative limit switch
Home switch active
Search direction Negative direction
Speed (before reversal of direction of rotation)
Fast Speed 1132
Condition
reversal of direction of rotation
Rising edge
negative limit switch
Speed (after reversal of direction of rotation)
Creep Speed 1133
Home position
Neg. HW Limit Switch
v f
v c
17
The homing direction (search direction) is negative at
Fast Speed 1132. When the
limit switch is reached, the direction of rotation is reversed and homing is performed
at
Creep Speed 1133.
Home position is the falling edge of the limit switch.
Operation mode
18: Homing to positive HW limit switch without encoder
ref. signal.
Dest.: Positive limit switch
Home switch active
Search direction Positive direction
Speed (before reversal of direction of rotation)
Fast Speed 1132
Condition
reversal of direction of rotation
Rising edge
positive limit switch
Speed (after reversal of direction of rotation)
Creep Speed 1133
Home position
Pos. HW Limit Switch
v f
v c
18
The homing direction (search direction) is positive at
Fast Speed 1132. When the
limit switch is reached, the direction of rotation is reversed and homing is performed
at
Creep Speed 1133.
Home position is the falling edge of the limit switch.
Application manual Positioning 13704/08