# Photoelectric Sensor, 1.6m, NPN/PNP/Push Pull, Background Suppression/Proximity, Cable, W26 Series

![Product image](https://novapart.co/image/farnell:4391254/)

**URL**: https://novapart.co/products/WTB26P-1H161120A00/photoelectric-sensor-16m-npn-pnp-push-pull
**SKU**: WTB26P-1H161120A00
**Manufacturer**: SICK
**Price**: €206.9600
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Product Range | W26 Series |
| Sensing Method | Background Suppression, Proximity |
| Connection Method | Cable |
| Sensing Range Max | 1.6m |
| 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:4391254/)

WTB26P-1H161120A00 W26 

**COMPACT PHOTOELECTRIC SENSORS** 

**WTB26P-1H161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

## Ordering information 

|**Type**<br>~~a~~|**Part no.**|
|---|---|
|WTB26P-1H161120A00|1218824|
|Other models and accessories<br> www.sick.com/W26||



Illustration may differ 

## Detailed technical data 

## Features 

|**Functional principle**|Photoelectric proximity sensor|
|---|---|
|**Functional principle detail**|Background suppression|
|**Sensing range**<br>Sensing range min.<br>Sensing range max.<br>Adjustable switching threshold for background<br>suppression<br>Reference object<br>Minimum distance between set sensing range<br>and background (black 6% / white 90%)<br>Recommended sensing range for the best per-<br>formance|30 mm<br>1,600 mm<br>180 mm ... 1,600 mm<br>Object with 90% remission factor (complies with standard white according to DIN 5033)<br>40 mm, at a distance of 600 mm<br>200 mm ... 600 mm|
|**Emitted beam**<br>Light source<br>Type of light<br>Shape of light spot<br>Light spot size (distance)<br>Maximum dispersion of the emitted beam<br>around the standardized transmission axis<br>(squint angle)|PinPoint LED<br>Visible red light<br>Point-shaped<br>Ø 7 mm (700 mm)<br>< +/- 1.0° (at Ta = +23 °C)|



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**WTB26P-1H161120A00 | W26** COMPACT 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|
|**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|



## Safety-related parameters 

|**MTTFD**|626 years|
|---|---|
|**DCavg**|0%|
|**TM (mission time)**|20 years (EN ISO 13849, rate of use: 60 %)|



## Communication interface 

|**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 = empty|
|VendorID|26|
|DeviceID HEX|0x800178|
|DeviceID DEC|8388984|
|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)<br>DC-13 (According to EN 60947-5-2)|
|**Current consumption**|≤ 30 mA, without load. At UB= 24 V|
|**Protection class**|III|
|**Digital output**||



- 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** 

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**WTB26P-1H161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

|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 and short-circuit protected<br>≤ 500 µs2)<br>150 µs<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, light switching, object present → output QL1HIGH; IO-Link communication C4)<br>The pin 4 function of the sensor can be configured, Additional possible settings via IO-Link<br>Digital output, dark switching, object present → outputǬL1LOW4)<br>The pin 2 function of the sensor can be configured, Additional possible settings via IO-Link|



## **Pin/Wire assignment** 

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|
|---|---|
|**Dimensions (W x H x D)**|24.6 mm x 82.5 mm x 53.3 mm|
|**Connection**|Cable, 4-wire, 2 m|
|**Connection detail**||
|Deep-freeze property|Do not bend below 0 °C|
|Conductor size|0.14 mm²|
|Cable diameter|Ø 4.8 mm|
|Length of cable (L)|2 m|
|Bending radius|For flexible use > 12 x cable diameter|
|Bending cycles|1,000,000|
|**Material**||
|Housing|Plastic, VISTAL®|
|Front screen|Plastic, PMMA|
|Cable|PVC|
|**Weight**|Approx. 130 g|
|**Maximum tightening torque of the fixing**|1.3 Nm|
|**screws**||



## Ambient data 

|**Enclosure rating**|IP66 (EN 60529)|
|---|---|
||IP67 (EN 60529)|
||IP69 (EN 60529)1)|
|**Ambient operating temperature**|–40 °C ... +60 °C|



1) Replaces IP69K with ISO 20653: 2013-03. 

**4 PHOTOELECTRIC SENSORS | SICK** 

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**WTB26P-1H161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

|**Ambient temperature, storage**|–40 °C ... +75 °C|
|---|---|
|**Shock resistance**|50 g, 11 ms (25 positive and 25 negative shocks per axis, for X, Y, Z axes, 150 shocks in total<br>(EN60068-2-27))<br>50 g, 6 ms (5,000 positive and 5,000 negative shocks per axis, for X, Y, Z axes, 30,000 shocks<br>in total (EN60068-2-27))|
|**Vibration resistance**|10 Hz ... 2,000 Hz (Amplitude 0.5 mm / 10 g, 20 sweeps per axis, for X, Y, Z axes, 1 oc-<br>tave/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|



1) Replaces IP69K with ISO 20653: 2013-03. 

## Smart Task 

|**Smart Task name**|Base logics|
|---|---|
|**Logic function**|Direct<br>AND<br>OR<br>Window<br>Hysteresis|
|**Timer function**|Deactivated<br>On delay<br>Off delay<br>ON and OFF delay<br>Impulse (one shot)|
|**Inverter**|Yes|
|**Switching frequency**|SIO Logic: 800 Hz1)<br>IOL: 650 Hz2)|
|**Response time**|SIO Logic: 600  µs1)<br>IOL: 750 µs2)|
|**Repeatability**|SIO Logic: 300 µs1)<br>IOL: 400 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 status**|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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**WTB26P-1H161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

|**ECLASS 8.1**|27270904|
|---|---|
|**ECLASS 9.0**|27270904|
|**ECLASS 10.0**<br>**ECLASS 11.0**|27270904<br>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|



Dimensional drawing (Dimensions in mm (inch)) 

**==> picture [237 x 206] intentionally omitted <==**

**----- Start of picture text -----**<br>
Dimensional drawing, sensor<br>48.1 (1.89)<br>24.6 (0.97) Ø 5.2 (0.2) 6<br>4<br>2<br>1<br>3 10 40 (1.57)<br>(0.39) 44.2 (1.74)<br>4<br>‘qo<br>7.1 (0.28)<br>12.9 5 10.8 (0.43)<br>(0.51) 6.4 25 (0.98) 8.1 (0.32)<br>(0.25) 38.8 (1.53)<br>53.3 (2.1)<br>)<br>0.98)( )<br>25  3.25( 3.01( (2.76) (3.24)<br>) 82.5 65. (0.2) 70  82.2<br>1.28( 7  (0.32)<br>32.4 8.1 Ø 5.2<br>)<br>7.3 0.29(<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 Mounting hole, Ø 5.2 mm 

- ⑤ Connection 

- ⑥ Display and adjustment elements 

**6** 

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**PHOTOELECTRIC SENSORS | SICK** 

**WTB26P-1H161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

## Adjustments 

Display and adjustment elements 

~~4 3~~ 1 ~~2~~ 

① LED indicator green 

② LED indicator yellow 

③ Teach-Turn adjustment 

④ LED blue 

## Connection type 

Cable, 4-wire 

## Connection diagram 

Cd-389 

BN + (L+) WH MF BU – (M) BK QL1/C 

## Truth table 

Push-pull: PNP/NPN – dark switching Ǭ 

**==> picture [242 x 125] intentionally omitted <==**

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


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**WTB26P-1H161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

## Push-pull: PNP/NPN - light switching Q 

**==> picture [239 x 115] intentionally omitted <==**

**----- Start of picture text -----**<br>
lll Light switching Q (normally open (upper switch), normally closed (lower switch))<br>rr Object not present - Output LOW Object present - Output HIGH<br>Light receive i)<br>Light receive indicator 10:<br>Load resistance to L+ A<br>Load resistance to M A<br>J<br>+ (L+) + (L+)<br>Q Q<br>‒ (M) ‒ (M)<br>**----- End of picture text -----**<br>


## Characteristic curve 

**==> picture [242 x 165] 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>200 Example:<br>180 Safe suppression of the background<br>2<br>160 We 1 18%/90% | White background (90 %)<br>6%/90% 3<br>140 90%/90%<br>120<br>100<br>On 0 1) A A b=, =<br>80 00 0 AN AY ARR x AN y<br>60 aT y e<br>40 Black object (6 % remission)<br>On OF AY<br>Set sensing range x = 600 mm<br>20 TAA ATA Needed minimum distance to white<br>0 eer x background y = 40 mm<br>0 400 800 1,200 1,600 2,000<br>(15.75) (31.5) (47.24) (62.99) (78.74)<br>Distance in mm (inch)<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


- ① Black object, 6% remission factor 

- ② Gray object, 18% remission factor 

- ③ White object, 90% remission factor 

## Light spot size 

## WTB26P-xxxxx1xx 

**==> picture [242 x 114] intentionally omitted <==**

**----- Start of picture text -----**<br>
Dimensions in mm (inch)<br>12<br>(0.47)<br>8<br>(0.31) SS] oo<br>4<br>(0.16) = ee on<br>–4 a<br>(–0.16)–8 ;<br>(–0.31)<br>–12 oo __—<<br>(–0.47) 0 500 1.000 1.500 2.000<br>(19.69) (39.37) (59.06) (78.74) 30 700 1.600<br>Distance in mm (inch) (1.18) (27.56) (62.99)<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


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**WTB26P-1H161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

## Sensing range diagram 

**==> picture [206 x 148] intentionally omitted <==**

**----- Start of picture text -----**<br>
|af 12 | 75    /     180100      /       180 a m ______GeE 8001,000 o<br>|_| 30 30180180400 a 800 1,200 1,6001,600<br>(7.09) (15.75) (31.5) (47.24) (62.99)<br>Distance in mm (inch)<br>D<br>ow s A A \ A z BluePilot<br>E<br>U L Lu<br>F<br>C<br>A B<br>**----- End of picture text -----**<br>


## Recommended sensing range for the best performance 

|1|Black object, 6% remission factor|
|---|---|
|2|Gray object, 18% remission factor|
|3|White object, 90% remission factor|
|A|Sensing range min. in mm|
|B|Sensing range max. in mm|
|C|Field of view|
|D|Adjustable switching threshold for background suppression|
|E|Sensing range indicator|
|F|Teach-Turn adjustment|



## Recommended accessories 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Universal bar clamp systems||||
||Plate N12 for universal clamp. For mounting PL30A, P250 reflectors, W27 and WTR2<br>sensors., Zinc plated steel (sheet), Zinc die cast (clamping bracket), Universal clamp<br>(2022726), mounting hardware|BEF-KHS-N12|2071950|



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**PHOTOELECTRIC SENSORS | SICK** 

**WTB26P-1H161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

## Recommended services 

|Recommended services|||
|---|---|---|
|Additional services<br> www.sick.com/W26|||
||**Type**|**Part no.**|
|Function Block Factory|||
|• **Description:**The Function Block Factory supports common programmable logic controllers|Function Block Factory|On request|
|(PLCs) from various manufacturers, such as Siemens, Beckhoff, Rockwell Automation and|||
|B&R. More information on the FBF can be found <a href=https://fbf.cloud.sick.com tar-|||
|get="_blank"> here</a>.|||
|• **Note:**You can configure your function block at <a href=https://fbf.cloud.sick.com tar-|||
|get="_blank"> Function Block Factory.</a> As a login please use your SICK ID.|||



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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

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- [Supplier page](https://es.farnell.com/sick/wtb26p-1h161120a00/photoelectric-sensor-1-6m-npn/dp/4391254)
---

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