Datasheet

Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen Tel. [phone] PRK 328 … - 04
[e-mail] • www.leuze.com
Order guide
The sensors listed here are preferred types; current information at www.leuze.com.
Part number code
Sensor adjustment (teach) via teach button
Designation Part no.
Sensors with axial optics
With M12 connector
Pin 4: PNP light switching, pin 2: PNP dark switching PRK328.3/4P-M12 50122695
Pin 4: NPN light switching, pin 2: NPN dark switching PRK328.3/2N-M12 50122697
With cable, 2m
Pin 4: PNP light switching, pin 2: PNP dark switching PRK328.3/4P 50122696
Pin 4: NPN light switching, pin 2: NPN dark switching PRK328.3/2N 50122698
Sensors with 90° angular optics
With M12 connector
Pin 4: PNP light switching, pin 2: PNP dark switching PRK328.W3/4P-M12 50122689
Pin 4: NPN light switching, pin 2: NPN dark switching PRK328.W3/2N-M12 50122691
With cable, 2m
Pin 4: PNP light switching, pin 2: PNP dark switching PRK328.W3/4P 50122690
Pin 4: NPN light switching, pin 2: NPN dark switching PRK328.W3/2N 50122694
Accessories for optimum fastening
Mounting system omni-mount BT318B-OM 50121904
Mounting bracket for standard mounting BT D18M.5 50113548
Mounting bracket for omni-mount BT D21M 50117257
PRK328. W3/ 4P-M12
Operating principle
PRK Polarized retro-reflective photoelectric sensor
Series
328 328 Series
Optics design
.3 Axial optics, Teach-in via teach button
.W3 90° angular optics, Teach-in via teach button
Switching output/function /OUT1OUT2 (OUT1 = Pin 4, OUT2 = Pin 2)
4 PNP transistor output, light switching
P PNP transistor output, dark switching
2 NPN transistor output, light switching
N NPN transistor output, dark switching
X Pin not used
Combinations of functions are possible via two-digit code!
Electrical connection
N/A Cable, standard length 2000mm
-M12 M12 connector
 The sensor is factory-adjusted for maximum
operating range.
Recommendation: teach only if the desired objects are not
reliably detected.
 Prior to teaching:
Clear the light path to the reflector!
The device setting is stored in a fail-safe way. A reconfiguration
following voltage interruption or switch-off is thus not required.
PRK 328 Retro-reflective photoelectric sensors for semi-transparent media