Watson-Marlow SP40 - Manual (Page 43)

MAINTENANCE OF CAM AND ACTUATORS
40
The limit switches 1 and 2 are used to limit the stroke of
the actuator. Two additional switches 3 and 4 are
available for switching an external device. This allows
you to trigger an external action related to limit switch 1
or 2.
Limit switches and cams
1
2
3
4
In case the actuator rotation angle is more
than 110° the limit switches need to be
adjusted. Contact your Bredel
representative.