# Photoelectric Sensor, 50mm, NPN/PNP, Background Suppression/Proximity/V Optic, 4 Pin M8 Connector

![Product image](https://novapart.co/image/farnell:4385058/)

**URL**: https://novapart.co/products/WTV4FE-22162120A00/photoelectric-sensor-50mm-npn-pnp-background
**SKU**: WTV4FE-22162120A00
**Manufacturer**: SICK
**Price**: €171.5100
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Product Range | W4 Series |
| Sensing Method | Background Suppression, Proximity, V-Optic |
| Connection Method | 4 Pin M8 Connector |
| Sensing Range Max | 50mm |
| Sensor Output Type | NPN / PNP, Push Pull |
| Supply Voltage Dc Max | 30V |
| Supply Voltage Dc Min | 10V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4385058/)

WTV4FE-22162120A00 W4 

**MINIATURE PHOTOELECTRIC SENSORS** 

**WTV4FE-22162120A00 | W4** MINIATURE PHOTOELECTRIC SENSORS 

## Ordering information 

|**Type**|**Part no.**|
|---|---|
|WTV4FE-22162120A00|1119988|
|Other models and accessories<br> www.sick.com/W4||



Illustration may differ 

## Detailed technical data 

## Features 

|**Functional principle**|Photoelectric proximity sensor|
|---|---|
|**Functional principle detail**|Background suppression, V-optics|
|**Sensing range**||
|Sensing range min.|2 mm|
|Sensing range max.|50 mm|
|Adjustable switching threshold for background|15 mm ... 50 mm|
|suppression||
|Reference object|Object with 90% remission factor (complies with standard white according to DIN 5033)|
|Minimum distance between set sensing range|1 mm, at a distance of 21 mm|
|and background (black 6% / white 90%)||
|Recommended sensing range for the best per-|15 mm ... 30 mm|
|formance||



## **Emitted beam** 

|**Emitted beam**||
|---|---|
|Light source|PinPoint LED|
|Type of light|Visible red light|
|Shape of light spot|Rectangular|
|Light spot size (distance)|0.5 mm x 1.9 mm (30 mm)|
|Maximum dispersion of the emitted beam|< +/- 1.5° (at Ta = +23 °C)|
|around the standardized transmission axis||
|(squint angle)||



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**PHOTOELECTRIC SENSORS | SICK** 

**WTV4FE-22162120A00 | W4** MINIATURE PHOTOELECTRIC SENSORS 

|**Key LED figures**||
|---|---|
|Normative reference|EN 62471:2008-09 | IEC 62471:2006, modified|
|LED risk group marking|Free group|
|Wave length|635 nm|
|Average service life|100,000 h at Ta= +25 °C|
|**Smallest detectable object (MDO) typ.**||
||0.1 mm (At 30 mm distance (object with 90% remission (complies with standard white accord-<br>ing to DIN 5033)))|
|**Adjustment**||
|Teach-Turn adjustment|BluePilot: For setting the sensing range|
|IO-Link|For configuring the sensor parameters and Smart Task functions|
|**Indication**||
|LED blue|BluePilot: sensing range indicator|
|LED green|Operating indicator<br>Static on: power on<br>Flashing: IO-Link mode|
|LED yellow|Status of received light beam<br>Static on: object present<br>Static off: object not present|
|**Special applications**|Detecting transparent objects|
|Safety-related parameters||
|**MTTFD**|661 years|
|**DCavg**|0 %|
|**TM (mission time)**|20 years (EN ISO 13849, rate of use: 60 %)|



## Communication interface 

|**IO-Link**|✔, IO-Link V1.1|
|---|---|
|Data transmission rate|COM2 (38,4 kBaud)|
|Cycle time|2.3 ms|
|Process data length|16 Bit|
|Process data structure|Bit 0 = switching signal QL1<br>Bit 1 = switching signal QL2<br>Bit 2 ... 15 = Current receiver level (live)|
|VendorID|26|
|DeviceID HEX|0x8002B3|
|DeviceID DEC|8389299|
|Compatible master port type|A|
|SIO mode support|Yes|



## Electrical data 

|**Supply voltage UB**|10 V DC ... 30 V DC1)|
|---|---|
|**Ripple**|≤ 5 Vpp|
|**Usage category**|DC-12 (According to EN 60947-5-2)|



- 1) Limit values. 

- 2) Signal transit time with resistive load in switching mode. 

- 3) With light/dark ratio 1:1. 

- 4) This switching output must not be connected to another output. 

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**PHOTOELECTRIC SENSORS | SICK** 

**3** 

**WTV4FE-22162120A00 | W4** MINIATURE PHOTOELECTRIC SENSORS 

||DC-13 (According to EN 60947-5-2)|
|---|---|
|**Current consumption**|≤ 25 mA, without load. At UB= 24 V|
|**Protection class**|III|
|**Digital output**<br>Number<br>Type<br>Signal voltage PNP HIGH/LOW<br>Signal voltage NPN HIGH/LOW<br>Output current Imax.<br>Circuit protection outputs<br>Response time<br>Repeatability (response time)<br>Switching frequency|2 (Complementary)<br>Push-pull: PNP/NPN<br>Approx. UB-2.5 V / 0 V<br>Approx. UB/ < 2.5 V<br>≤ 100 mA<br>Reverse polarity protected<br>Overcurrent protected<br>Short-circuit protected<br>≤ 500 µs<br>150 µs2)<br>1,000 Hz3)|
|**Pin/Wire assignment**<br>Function of pin 4/black (BK)<br>Function of pin 4/black (BK) – detail<br>Function of pin 2/white (WH)<br>Function of pin 2/white (WH) – detail|Digital output, dark switching, object present → outputǬL1LOW; IO-Link communication C4)<br>The pin 4 function of the sensor can be configured, Additional possible settings via IO-Link<br>Digital output, light switching, object present → output QL1HIGH4)<br>The pin 2 function of the sensor can be configured, Additional possible settings via IO-Link|



1) Limit values. 

2) Signal transit time with resistive load in switching mode. 

3) With light/dark ratio 1:1. 

4) This switching output must not be connected to another output. 

Mechanical data 

|**Housing**|Rectangular|
|---|---|
|**Design detail**|Flat|
|**Dimensions (W x H x D)**|16 mm x 40.1 mm x 12.1 mm|
|**Connection**|Male connector M8, 4-pin|
|**Material**||
|Housing|Plastic, VISTAL®|
|Front screen|Plastic, PMMA|
|Male connector|Plastic, VISTAL®|
|**Weight**|Approx. 30 g|
|**Maximum tightening torque of the fixing**|0.4 Nm|
|**screws**||



## Ambient data 

|**Enclosure rating**|IP66 (EN 60529)|
|---|---|
||IP67 (EN 60529)|
|**Ambient operating temperature**|–40 °C ... +60 °C|
|**Ambient temperature, storage**|–40 °C ... +75 °C|
|**Typ. Ambient light immunity**|Artificial light: ≤ 50,000 lx|
||Sunlight: ≤ 50,000 lx|



**4** 

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**PHOTOELECTRIC SENSORS | SICK** 

**WTV4FE-22162120A00 | W4** MINIATURE PHOTOELECTRIC SENSORS 

|**Shock resistance**|30 g, 11 ms (3 positive and 3 negative shocks along X, Y, Z axes, 18 total shocks<br>(EN60068-2-27))|
|---|---|
|**Vibration resistance**|10 Hz ... 1,000 Hz (Amplitude 1 mm, 3 x 30 min (EN60068-2-6))|
|**Air humidity**|35 % ... 95 %, Relative humidity (no condensation)|
|**Electromagnetic compatibility (EMC)**|EN 60947-5-2|
|**Resistance to cleaning agent**|ECOLAB|
|**UL File No.**|NRKH.E181493 & NRKH7.E181493|



## Smart Task 

|**Smart Task name**|Base logics|
|---|---|
|**Logic function**|Direct<br>AND<br>OR|
|**Timer function**|Deactivated<br>On delay<br>Off delay<br>ON and OFF delay<br>Impulse (one shot)|
|**Inverter**|Yes|
|**Switching frequency**|SIO Logic: 900 Hz1)<br>IOL: 800 Hz2)|
|**Response time**|SIO Logic: 550 µs1)<br>IOL: 600 µs2)|
|**Repeatability**|SIO Logic: 200 µs1)<br>IOL: 250 µs2)|
|**Switching signal**||
|Switching signal QL1|Switching output|
|Switching signalǬL1|Switching output|



1) Use of Smart Task functions without IO-Link communication (SIO mode). 

2) Use of Smart Task functions with IO-Link communication function. 

## Diagnosis 

|**Device temperature**||
|---|---|
|Measuring range|Very cold, cold, moderate, warm, hot|
|**Device status**|Yes|
|**Detailed device status**|Yes|
|**Operating hour counter**|Yes|
|**Operating hours counter with reset function**|Yes|
|**Quality of teach**|Yes|



## Classifications 

|**ECLASS 5.0**|27270904|
|---|---|
|**ECLASS 5.1.4**|27270904|
|**ECLASS 6.0**|27270904|
|**ECLASS 6.2**|27270904|
|**ECLASS 7.0**|27270904|
|**ECLASS 8.0**|27270904|



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**WTV4FE-22162120A00 | W4** MINIATURE PHOTOELECTRIC SENSORS 

|**ECLASS 8.1**|27270904|
|---|---|
|**ECLASS 9.0**|27270904|
|**ECLASS 10.0**|27270904|
|**ECLASS 11.0**|27270904|
|**ECLASS 12.0**|27270903|
|**ETIM 5.0**|EC002719|
|**ETIM 6.0**|EC002719|
|**ETIM 7.0**|EC002719|
|**ETIM 8.0**|EC002719|
|**UNSPSC 16.0901**|39121528|



## Adjustments 

Display and adjustment elements 

**==> picture [90 x 117] intentionally omitted <==**

**----- Start of picture text -----**<br>
1<br>2<br>4 3<br>①   LED blue<br>②   Teach-Turn adjustment<br>③   LED yellow<br>④   LED green<br>**----- End of picture text -----**<br>


## Installation note 

Angle of acceptance, pane of glass in front of background, β 

**==> picture [242 x 197] intentionally omitted <==**

**----- Start of picture text -----**<br>
Transparent pane of glass in front of background<br>(18 % remission), angle of acceptance<br>β<br>10 CTT Cet<br>||<br>aaoe<br>a er<br>5 aa ae<br>oy —S— ou<br>0 aCI iFOR_S © –β ; +β<br>i ee :<br>x d<br>–5 Co I<br>a oe Example:<br>|| Set sensing range x = 30 mm<br>|yr Distance object to background d ≥ 200 mm<br>–10s LT | | Angle of acceptance between –6° and +6°<br>0 10 20 30 40 50 x<br>(0.39) (0.79) (1.18) (1.57) (1.97)<br>Distance in mm (inch)<br>d = 10 mm d = 120 mm<br>d = 40 mm d ≥ 200 mm<br>d = 80 mm<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


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**WTV4FE-22162120A00 | W4** MINIATURE PHOTOELECTRIC SENSORS 

Angle of acceptance, pane of glass in front of background, α 

**==> picture [242 x 196] intentionally omitted <==**

**----- Start of picture text -----**<br>
Transparent pane of glass in front of background<br>(18 % remission), angle of acceptance<br>α<br>10<br>5<br>0 –α +α<br>x d<br>–5<br>Example:<br>Set sensing range x = 30 mm<br>Distance object to background d ≥ 200 mm<br>–10 Angle of acceptance between –4° and + 7°<br>0 10 20 30 40 50 x<br>(0.39) (0.79) (1.18) (1.57) (1.97)<br>Distance in mm (inch)<br>d = 10 mm d = 120 mm<br>d = 40 mm d ≥ 200 mm<br>d = 80 mm<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


## Angle of acceptance, on high-glossy object, β 

**==> picture [242 x 165] intentionally omitted <==**

**----- Start of picture text -----**<br>
High-glossy object, angle of acceptance<br>β<br>20<br>15<br>10<br>5<br>0<br>–β +β<br>–5<br>–10 x<br>–15 Example:<br>Set sensing range x = 30 mm<br>–20 Angle of acceptance between –7° and +7°<br>0 10 20 30 40 50 x<br>(0.39) (0.79) (1.18) (1.57) (1.97)<br>Distance in mm (inch)<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


Angle of acceptance, on high-glossy object, α 

**==> picture [242 x 162] intentionally omitted <==**

**----- Start of picture text -----**<br>
High-glossy object, angle of acceptance<br>α<br>20<br>15<br>10<br>5<br>0 –α +α<br>–5<br>x<br>–10<br>–15 Example:<br>Set sensing range x = 30 mm<br>–20 Angle of acceptance between –12° and +5°<br>0 10 20 30 40 50 x<br>(0.39) (0.79) (1.18) (1.57) (1.97)<br>Distance in mm (inch)<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


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**WTV4FE-22162120A00 | W4** MINIATURE PHOTOELECTRIC SENSORS 

## Connection type 

Male connector M8, 4-pin 

3 1 4 2 

## Connection diagram 

## Cd-503 

BN 1 ~~<-~~ + (L+) WH 2 QL1(MF) ~~aan~~ BU 3 I – (M) ~~>—1-~~ BK 4 QL1(C) 

## Truth table 

Push-pull: PNP/NPN – dark switching Ǭ 

**==> picture [240 x 119] intentionally omitted <==**

**----- Start of picture text -----**<br>
ee Dark switching Q (normally closed (upper switch), normally open (lower switch))<br>ee Object not present - Output HIGH Object present - Output LOW<br>Light receive g<br>Light receive indicator<br>Load resistance to L+  A<br>Load resistance to M A<br>eS ree d<br>i 1 + (L+) i <1 + (L+)<br>Q Q<br>‒ (M) ‒ (M)<br>**----- End of picture text -----**<br>


Push-pull: PNP/NPN - light switching Q 

**==> picture [240 x 119] intentionally omitted <==**

**----- Start of picture text -----**<br>
ee Light switching Q (normally open (upper switch), normally closed (lower switch))<br>a Object not present - Output LOW Object present - Output HIGH<br>Light receive<br>Light receive indicator<br>Load resistance to L+<br>Load resistance to M<br>re se‘oy g<br>+ (L+) + (L+)<br>Q Q<br>‒ (M) ‒ (M)<br>**----- End of picture text -----**<br>


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**WTV4FE-22162120A00 | W4** MINIATURE PHOTOELECTRIC SENSORS 

## Characteristic curve 

**==> picture [242 x 168] intentionally omitted <==**

**----- Start of picture text -----**<br>
Minimum distance in mm (y) between the set sensing<br>range and white background (90 % remission)<br>y<br>(0.28)7 Example:<br>Safe suppression of the background<br>6<br>(0.24) White background (90 %)<br>5<br>(0.20)<br>4<br>(0.16)<br>(0.12)3 1%/90%1 6%/90% x y<br>2 2<br>(0.08)<br>1 3 Black object (6 % remission)Set sensing range x = 20 mm<br>(0.04) 18%/90% 34 Needed minimum distance to white<br>0 90%/90% x background y = 1.2 mm<br>0 10 20 30 40 50<br>(0.39) (0.79) (1.18) (1.57) (1.97)<br>Distance in mm (inch)<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


- ① Ultra-black object, 1% remission factor 

- ② Black object, 6% remission factor 

- ③ Gray object, 18% remission factor 

- ④ White object, 90% remission factor 

## Light spot size 

## Vertical 

**==> picture [242 x 134] intentionally omitted <==**

**----- Start of picture text -----**<br>
Dimensions in mm (inch)<br>9.5<br>(0.37)<br>7.5 Apex angle 8.1°<br>(0.30)<br>5.5<br>(0.22)<br>3.5<br>(0.14)<br>1.5<br>(0.06)<br>–0.5<br>(–0.02) 0 10 20 30 40 50 5 30 50<br>(0.39) (0.79) (1.18) (1.57) (1.97) (0.20) (1.18) (1.97)<br>Distance in mm (inch)<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


## Horizontal 

**==> picture [242 x 134] intentionally omitted <==**

**----- Start of picture text -----**<br>
Dimensions in mm (inch)<br>3<br>(0.12)<br>2<br>(0.08)<br>1<br>(0.04)<br>0<br>–1<br>(–0.04)<br>–2<br>(–0.08)<br>–3<br>(–0.12) 0 10 20 30 40 50 5 40 50<br>(0.39) (0.79) (1.18) (1.57) (1.97) (0.20) (1.57) (1.97)<br>Distance in mm (inch)<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


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**PHOTOELECTRIC SENSORS | SICK** 

**WTV4FE-22162120A00 | W4** MINIATURE PHOTOELECTRIC SENSORS 

## Sensing range diagram 

**==> picture [214 x 155] intentionally omitted <==**

**----- Start of picture text -----**<br>
|| 1 5 a 15 30 Ll<br>| 2 | 2 1 15 50<br>| 3 | 2 0 15 50<br>| 4 [|] 2 2 15 50<br>0 10 20 30 40 50<br>(0.39) (0.79) (1.18) (1.57) (1.97)<br>Distance in mm (inch)<br>D<br>BluePilot<br>| a<br>E<br>F<br>C<br>A B<br>**----- End of picture text -----**<br>


- A = Sensing range min. in mm 

- B = Sensing range max. in mm 

C = Viewing range 

- D = Adjustable switching threshold for background suppression 

- E = Sensing range indicator 

- F = Teach-Turn adjustment 

Recommended sensing range for the best performance 

- ① Ultra-black object, 1% remission factor 

- ② Black object, 6% remission factor 

- ③ Gray object, 18% remission factor 

- ④ White object, 90% remission factor 

## Dimensional drawing (Dimensions in mm (inch)) 

**==> picture [239 x 174] intentionally omitted <==**

**----- Start of picture text -----**<br>
16 (0.63) 12.1 (0.48) 24.9 (0.98)<br>1 3 fea | 6<br>~ Li | a<br>7<br>2<br>BE i_-<br>4<br>5<br>9 (0.35) M8<br>(0.31)<br>6.4 0.25)(<br>)<br>(1.58)<br>(0.4) 40.1  0.52(<br>10.1  13.3<br>)<br>(0.43)<br>11  0.14(<br>3.5<br>(0.3)<br>7.6<br>**----- End of picture text -----**<br>


- ① Standard direction of the material being detected 

- ② Center of optical axis, sender 

- ③ Center of optical axis, receiver 

- ④ M3 mounting hole 

- ⑤ Connection 

- ⑥ Display and adjustment elements 

- ⑦ Focus 

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**PHOTOELECTRIC SENSORS | SICK** 

**WTV4FE-22162120A00 | W4** MINIATURE PHOTOELECTRIC SENSORS 

## Recommended accessories 

> Other models and accessories > www.sick.com/W4 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Mounting brackets and plates||||
||Mounting bracket for wall mounting, Stainless steel 1.4571, mounting hardware includ-|BEF-W4-A|2051628|
||ed|||
|Plug connectors and cables||||
||• **Connection type head A:**Female connector, M8, 4-pin, straight, A-coded|YF8U14-|2095889|
||• **Connection type head B:**Flying leads|050VA3XLEAX||
||• **Signal type:**Sensor/actuator cable|||
||• **Cable:**5 m, 4-wire, PVC|||
||• **Description:**Sensor/actuator cable, unshielded|||
||• **Application:**Zones with chemicals|||
||• **Connection type head A:**Male connector, M8, 4-pin, straight|STE-0804-G|6037323|
|gun|• **Description:**Unshielded|||
||• **Connection systems:**Screw-type terminals|||
||• **Permitted cross-section:**0.14 mm² ... 0.5 mm²|||



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**PHOTOELECTRIC SENSORS | SICK** 

## SICK At A GlAnCe 

SICK is one of the leading manufacturers of intelligent sensors and sensor solutions for industrial applications. A unique range of products and services creates the perfect basis for controlling processes securely and efficiently, protecting individuals from accidents and preventing damage to the environment. 

We have extensive experience in a wide range of industries and understand their processes and requirements. With intelligent sensors, we can deliver exactly what our customers need. In application centers in Europe, Asia and North America, system solutions are tested and optimized in accordance with customer specifications. All this makes us a reliable supplier and development partner. 

Comprehensive services complete our offering: SICK lifetime Services provide support throughout the machine life cycle and ensure safety and productivity. 

For us, that is “Sensor Intelligence.” 

## WOrldWIde preSenCe: 

Contacts and other locations www.sick.com 

SICK AG | Waldkirch | Germany | www.sick.com 



## Links

- [View this product on Novapart](https://novapart.co/products/WTV4FE-22162120A00/photoelectric-sensor-50mm-npn-pnp-background)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/sick/wtv4fe-22162120a00/photoelectric-sensor-50mm-npn/dp/4385058)
---

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