Pilz PMCprimo DriveP.12/AA0/4/0/0/208-480VAC - Manual (Page 38)

9 Project window
9.2.1.7 Homing type 5
Behavior for successively repeated starts of Homing 5:
The position controller can only hold the motor in the zero position by passing the zero
mark by ± 1 count. On a repeated start of Homing 5, depending on the position (1 count
in advance of or 1 count behind the zero-mark) and the count direction, the movement
may be a full motor turn!
Homing with limit switches, without homing switch, with feedback zero
Negative traverse, positive count direction Positive traverse, positive count direction
9.2.1.8 Homing type 6
Sets the reference point to the actual position (the following error is not lost). The load does not
move.
9.2.1.9 Homing type 7
Using this type of homing can damage the mechanical stop on the machine. The peak
current, Ipeak, and the continuous current, Irms, are limited for the duration of the
homing run. A more severe limiting of the current is possible. (see parameter Homing
Ipeak on screen page "Current Loop").
Mechanical stop, without limit switches, without homing switch, with feedback zero.
Negative traverse, positive count direction Positive traverse, positive count direction
The meanings of the abbreviations in the drawings are:
N Limit switch NSTOP P Limit switch PSTOP SP Start position
R Homing switch vref preset velocity NM feedback zero mark
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