SLP – Safely Limited Position

The SLP safety subfunction prevents a movement from exceeding a specified absolute position. If the limit value of the absolute position is violated, the SLP safety subfunction will be triggered and a fault response will be initiated at the same time (usually STO).

 

=

SLP safety subfunction monitored

 

=

SLP safety subfunction is triggered

v

=

Speed

s

=

Distance

X0

=

Minimum (lower) absolute position

X1

=

Position at which stopping must begin in order to come to an idle state before X0.

X2

=

Position at which stopping must begin in order to come to an idle state before X3.

X3

=

Maximum (upper) absolute position