4
1.2.1.2 SENSOR OPTIONS
CKP/S1 sensors can be supplied with two 2
-
core leads or a single 4
-
core lead. Where a
single mat sensor is used a single 4
-
core lead
is most practical. Where several mats are
connected in series to form a larger sensor two
2
-
core leads should be specified.
1.2.2 PRSU/4 CONTROL UNIT
The PRSU/4 control unit is designed to
monitor 4
-
wire safety sensors. The unit
provides monitoring of a sensor (or a number
of sensors connected in series), auto or
manual reset function and 3 safety outputs.
1.2.3 ACCESSORIES
Aluminium edging is available for fixing the
sensors in position. This edging consists of
two interlocking aluminium extrusions, a base
and a cover. The edging can accommodate the
mat wiring and provides a 20 degree ramp to
prevent a tripping hazard at the mat edge.
1.3 PRODUCT FEATURES
1.3.1 SENSORS
* Tapeswitch internal switching elements.
* Sealed to IP65.
* 24 volt operation.
* Low pressure actuation.
* Heavy duty, abrasion and chemical resistant
materials.
* Multiple sensors can be connected to one
control unit.
1.3.2 CONTROL UNIT
* Cross
-
monitored safety output relays
with force guided contacts.
* Auto or manual reset function
* DIN rail mounting enclosure.
* Simple, reliable, proven technology.
*One control unit capable of monitoring
multiple sensors.
* Built in diagnostic indication.
* 24Vdc supply.
NOTE:
The external 24Vdc power supply
must either be provided from a safety
transformer meeting EN60742 or from a
battery. Cables feeding the supply should be
run separately and should be protected against
damage.
