PF74CNT30BO

## **Photoelectrics Fork Sensor for Lifts Type PF74CNT30B.** 

- **Photoelectric Fork Sensor** 

- **Gap: 30 mm** 

- **Modulated, infrared light 940 nm** 

- **Supply voltage: 24 VDC ± 20%** 

- **Output: 100 mA, NPN / PNP Push-Pull** 

- **Make and break switching function** 

- **LED indication for output, stability and power ON** 

- **Protection: reverse polarity, short circuit and transients** 

- **Cable version** 

- **Excellent EMC performance** 

- **High immunity against dust** 

## **Product Descri tion p** 

**Orderin Ke g y PF 74 CNT 30 BC** 

~~S~~ The PF74CNT30.. sensor sions with push-pull output in ~~S~~ **Type** family comes in a compact either N.O. or N.C. for the **Housing style** 15 x 60 x 74 mm reinforced NPN or PNP output state. **Housing size** polycarbonate housing. The sensor has a high immu- **Housing material** The sensor is designed for nity to environmental condi- **Sensing principle** Elevator applications for lift tions such as dust, ambient **Fork opening** car leveling, floor count, overlight and the high switching **Output type** ~~=)~~ shoot and redundancy. frequency makes it suitable **Output function** The sensor comes in two verfor high speed Elevators. 

## **T e Selection yp** 

**Housing Range W x H x D                         Sn** 15 x 74 x 60 mm               30 mm 

**Connection Ordering no. Ordering no. PNP N.O., NPN N.C.                     PNP N.C., NPN N.O.** Cable **PF 74 CNT 30 BC                        PF 74 CNT 30 BO** 

## **S ecifications p** 

|**Sensing gap **(Sn) ≤ 30 mm|≤ 30 mm|
|---|---|
|**Excessgain**|**ain**≥ 50(500%)|
|**Blind zone **|0 mm|
|**Sensitivity **|No sensitivitycontrol|
|**Temperature drift **|≤ 0.7%/ºC ± 20%|
|**Hysteresis**(H) 5 to 20%|5 to 20%|
|**Rated operational volt.**(UB)       19.2 to 28.8 VDC|)       19.2 to 28.8 VDC|
||(ripple included)|
|**Ripple**(Urpp)≤ 10%|≤ 10%|
|**Output current**||
|Continuous (Ie) ≤ 100 mA|≤ 100 mA|
|Short-time (I)                              ≤ 100 mA|Short-time (I)                              ≤ 100 mA|
||(max. load capacity100 nF)|
|**No load supply current**(Io) ≤ 30 mA @ U|≤ 30 mA @ UBmax|
|≥ 25 mA @ U|≥ 25 mA @ UBmin|
|**Minimum operational current**(Im)0 mA<br>**Voltage drop **(Ud)≤ 1.5 VDC @ I<br>**Protection**  <br>and transients<br>**Light source** InGaAIP<br>**Light type**Infrared|0 mA<br>≤ 1.5 VDC @ Iemax<br> Short-circuit, reverse polarity<br>and transients<br>InGaAIP,LED,940 nm<br>Infrared,modulated|
|**Minimum object**||
|Vertical (V) single object             2 mm|Vertical (V) single object             2 mm|
|Vertical (V) multiple object See fig. 1|See fig. 1|
|Horisontal (H) single object 3 mm|3 mm|



|**Aperture emitter or receiver** 2.0 x 0.4 mm|2.0 x 0.4 mm|
|---|---|
|**Light spot**13 x 6 mm @ 30 mm|13 x 6 mm @ 30 mm|
|**Ambient light**≤ 100|≤ 100,000 lux|
|**Operating frequency **(f)≤ 1100 Hz|≤ 1100 Hz|
|**Response time**||
|OFF-ON (tON)                              ≤ 400 μs|)                              ≤ 400 μs|
|ON-OFF(tOFF)≤ 500|≤ 500μs|
|**Power ON delay **(tv)≤ 100 ms|≤ 100 ms|
|**Output  function**||
|Open collector                           Push-|en collector                           Push-pull bysensor type|
|**Output switching function**||
|PF74CNT30BO                              PNP N.C., NPN N.O.|PF74CNT30BO                              PNP N.C., NPN N.O.|
|PF74CNT30BC                              PNP N.O.|PF74CNT30BC                              PNP N.O.,NPN N.C.|
|**Indication**|**Indication**|
|Light beam uninterrupted          LED, yellow|Light beam uninterrupted          LED, yellow|
|Signal stability ON and||
|power ON LED, green, see curve for|LED, green, see curve for|
|condition of stabilit|condition of stability|
|**Environment**||
|Installation category                   III (IEC 60664/60664A;|Installation category                   III (IEC 60664/60664A;|
|60947-1)|60947-1)|
|Pollution degree                         3 (IEC 60664/60664A;|Pollution degree                         3 (IEC 60664/60664A;|
|60947-1)|60947-1)|
|Degree of protection                  IP 65 (IEC 60529; 60947-1)|Degree of protection                  IP 65 (IEC 60529; 60947-1)|



**1** 

Specifications are subject to change without notice (17.04.2013) 

**PF74CNT30B.** 

## **Specifications (cont.)** 

**Ambient temperature** Operating -25° to +60°C (-13° to +140°F) Storage                                      -40° to +70°C (-40° to +158°F) **Vibration** 10 to 150 Hz, 1.0 mm/15 G (IEC 60068-2-6) **Shock** 30 g / 11ms, 3 pos, 3 neg per axis (IEC 60068-2-6, 60068-2-32) **Rated insulation voltage** ≤ 50 VDC 

**Housing material** Body                                           Polycarbonate (PC), black Cover Polycarbonate (PC), grey LED window                               Polycarbonate (PC), transparent Cable outlet TPE, black **Connection** Cable PVC, grey, 5 m 3 x 0.5 mm[2] , Ø = 5.6 mm **Weight** ≤ 225 g **CE-marking** Yes 

## **Wiring Diagrams** 

**PF74CNT30BO** (PNP N.C., NPN N.O.) 

**PF74CNT30BC** (PNP N.O., NPN N.C.) 

**==> picture [63 x 75] intentionally omitted <==**

**----- Start of picture text -----**<br>
BN V+<br>BK OUT<br>BU V-<br>**----- End of picture text -----**<br>


**==> picture [45 x 74] intentionally omitted <==**

**==> picture [78 x 76] intentionally omitted <==**

**----- Start of picture text -----**<br>
BN V+<br>BK OUT<br>BU V-<br>**----- End of picture text -----**<br>


Contacts shown when light beam is interrupted 

## **O eration Dia ram p g** 

t = Power ON delay Power supply present Object present (lightbeam interrupted) t Yellow LED **PF74CNT30BO** Output Sink (NPN output active) t Output Source (PNP output active) **PF74CNT30BC** Output Sink (NPN output active) Output Source (PNP output active) t 

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t<br>t<br>t<br>**----- End of picture text -----**<br>


## **Fig. 1** 

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Vertical direction.<br>**----- End of picture text -----**<br>


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4 mm<br>4 mm Minimum distance for multible<br>4 mm<br>4 mm objects.<br>1 mm steel plate<br>**----- End of picture text -----**<br>


**2** 

Specifications are subject to change without notice (17.04.2013) 

**PF74CNT30B.** 

## **Detection Direction** 

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**----- Start of picture text -----**<br>
Detection Direction “V” Detection Direction “H”<br>E E (emitter)<br>R R (receiver)<br>**----- End of picture text -----**<br>


## **Dimensions** 

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Emitter aperture 2 x 0,4 mm<br>4,5 ± 0,5 30<br>10<br>15<br>35<br>M8 x 1<br>Ø 8,4<br>Cable Ø 5.6 mm<br>74<br>7,3 ± 0,3<br>13 10<br>28<br>30 36<br>60<br>**----- End of picture text -----**<br>


**3** 

Specifications are subject to change without notice (17.04.2013) 

**PF74CNT30B.** 

## **Installation Hints** 

**==> picture [500 x 119] intentionally omitted <==**

**----- Start of picture text -----**<br>
To avoid interference from inductive voltage / Relief of the cable strain Protection of the sensing face Sensor mounted on a mobile carrier<br>current peaks, separate the proximity switch<br>cables from any other power cables. E.g.<br>Engine, contactor or solenoid cables<br>Incorrect<br>Incorrect<br>Correct<br>> 100 mm<br>Correct<br>Incorrect<br>A proximity switch should not serve Any repetitive flexing of the<br>The cable should not be pulled as mechanical stop cable should be avoided<br>**----- End of picture text -----**<br>


## **Deliver Contents y** 

- Photoelectric switch: PF74CNT30B. 

- Installation instruction: Print on plastic bag 

- **Packaging:** Plastic bag 

**4** 

Specifications are subject to change without notice (17.04.2013)