# Homing without reverting (P-AXIS-00157)

P-AXIS-00157 | Homing without reverting
Description | Via parameter P-AXIS-00157 a restriction of homing can occur that will prohibit any reverting.
Parameter | kenngr.ref_ohne_rev
Data type | BOOLEAN
Data range | 0/1
Axis types | T, R, S
Dimension | T: ---- | R,S: ----
Default value | 0
drive types. | Conventional, Terminal, Lightbus, Profidrive
Remarks | The speed during reversing is set with the parameter P-AXIS-00064 (fast_from_cam). By reverting, it is possible to repeatedly move to the reference cam at slow speed. To be assigned for analogue spindles only. P-AXIS-00157 must be assigned with 1 (TRUE) if P-AXIS-00156 is assigned with 1 (TRUE).