# Photoelectric Sensor, 1m, NPN/PNP/Push Pull, Proximity/TwinEye, 4 Pin M12 Connector, W26 Series

![Product image](https://novapart.co/image/farnell:4391265/)

**URL**: https://novapart.co/products/WTS26P-24161120A00/photoelectric-sensor-1m-npn-pnp-push-pull
**SKU**: WTS26P-24161120A00
**Manufacturer**: SICK
**Price**: €230.0600
**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, TwinEye |
| Connection Method | 4 Pin M12 Connector |
| Sensing Range Max | 1m |
| 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:4391265/)

WTS26P-24161120A00 W26 

**COMPACT PHOTOELECTRIC SENSORS** 

**WTS26P-24161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

## Ordering information 

|**Type**|**Part no.**|
|---|---|
|WTS26P-24161120A00|1218668|
|Other models and accessories<br> www.sick.com/W26<br>>||



**==> picture [63 x 7] intentionally omitted <==**

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Illustration may differ<br>**----- End of picture text -----**<br>


## Detailed technical data 

## Features 

|**Functional principle**|Photoelectric proximity sensor|
|---|---|
|**Functional principle detail**|Background suppression, TwinEye technology|
|**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|10 mm<br>1,000 mm<br>150 mm ... 1,000 mm<br>Object with 90% remission factor (complies with standard white according to DIN 5033)<br>25 mm, at a distance of 500 mm<br>200 mm ... 500 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 10 mm (550 mm)<br>< +/- 1.0° (at Ta = +23 °C)|



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**PHOTOELECTRIC SENSORS | SICK** 

**WTS26P-24161120A00 | 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|
|**Special applications**|Detecting uneven, shiny objects, Detecting objects wrapped in film|



## Safety-related parameters 

|**MTTFD**|413 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|0x80017C|
|DeviceID DEC|8388988|
|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|



- 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** 

**WTS26P-24161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

## **Digital output** 

|**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 and short-circuit protected<br>≤ 1.4 ms2)<br>750 µs<br>350 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**|Male connector M12, 4-pin|
|**Material**||
|Housing|Plastic, VISTAL®|
|Front screen|Plastic, PMMA|
|Male connector|Plastic, VISTAL®|
|**Weight**|Approx. 80 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|
|**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|
||(EN60068-2-27))|
||50 g, 6 ms (5,000 positive and 5,000 negative shocks per axis, for X, Y, Z axes, 30,000 shocks|
||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-|
||tave/min, (EN60068-2-6))|



## Ambient data 

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

**4 PHOTOELECTRIC SENSORS | SICK** 

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**WTS26P-24161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

|**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: 300 Hz1)<br>IOL: 280 Hz2)|
|**Response time**|SIO Logic: 1.65 ms1)<br>IOL: 1.75 ms2)|
|**Repeatability**|SIO Logic: 800 µs1)<br>IOL: 900 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|
|**ECLASS 8.1**|27270904|
|**ECLASS 9.0**|27270904|
|**ECLASS 10.0**|27270904|
|**ECLASS 11.0**|27270904|
|**ECLASS 12.0**|27270903|



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|**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)) 

Dimensional drawing, sensor 

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**----- Start of picture text -----**<br>
48.1 (1.89)<br>24.6 (0.97) Ø 5.2 (0.2) 5<br>3<br>2<br>1 63.9 (2.52)<br>19.7 40 (1.57)<br>(0.78) 44.2 (1.74)<br>2 3<br>7.1 (0.28)<br>4 10.8 (0.43)<br>M12 25 (0.98) 8.1 (0.32)<br>6.3 (0.25) 39 (1.54)<br>53.3 (2.1)<br>a |<br>)<br>21.6 0.85( .2(35) 10).<br>) ) (3 (2.76) (3.24)<br>1.28( 21.6 0.85( 82.5 76.5 (0.2) 70  82.2<br> (0.31)<br>32.4 7.9 Ø 5.2<br>17<br>(0.67)<br>**----- End of picture text -----**<br>


- ① Center of optical axis, sender 

- ② Center of optical axis, receiver 

- ③ Mounting hole, Ø 5.2 mm 

- ④ Connection 

- ⑤ Display and adjustment elements 

## Adjustments 

Display and adjustment elements 

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4<br>= | 3<br>1 2<br>①   LED indicator green<br>②   LED indicator yellow<br>**----- End of picture text -----**<br>


③ Teach-Turn adjustment 

④ LED blue 

**6 PHOTOELECTRIC SENSORS | SICK** 

**Product data sheet | 2024-03-05 17:50:41 Subject to change without notice** 

**WTS26P-24161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

## Connection type 

M12 male connector, 4-pin 

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**----- Start of picture text -----**<br>
2 1<br>3 4<br>**----- End of picture text -----**<br>


## Connection diagram 

Cd-390 

**==> picture [61 x 58] intentionally omitted <==**

## Truth table 

Push-pull: PNP/NPN – dark switching Ǭ 

||Dark switchingQ(normally closed (upper switch), normally open (lower switch))|Dark switchingQ(normally closed (upper switch), normally open (lower switch))|
|---|---|---|
||Object not present-Output HIGH|Object present-Output LOW|
|Light receive|||
|Light receive indicator|||
|Load resistance to L+|||
|Load resistance to M|||
||+ (L+)<br>Q<br>‒ (M)|+ (L+)<br>Q<br>‒ (M)|



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

||Light switching Q (normally open (upper switch), normally closed (lower switch))|Light switching Q (normally open (upper switch), normally closed (lower switch))|
|---|---|---|
||Object not present-Output LOW|Object present-Output HIGH|
|Light receive|||
|Light receive indicator|||
|Load resistance to L+|||
|Load resistance to M|||
||+ (L+)<br>Q<br>‒ (M)|+ (L+)<br>Q<br>‒ (M)|



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**WTS26P-24161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

## Characteristic curve 

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**----- Start of picture text -----**<br>
Minimum distance in mm (y) between the set sensing<br>range (x) and white background (90 % remission)<br>y<br>140 || ey Example:Safe suppression of the background<br>120 BES SSRERe 18%/90% tt White<br>100 PiBESSPeeSes 1 ggRee 2 O background (90 %)<br>6%/90%<br>80<br>3<br>60 rH EHH 90%/90% a l<br>LRSaenem ay ay = x a y<br>40 BESSS a) Ae ae<br>Benn7 4) See Black object (6 % remission)<br>20 Set sensing range x = 500 mm<br>Needed minimum distance to white<br>0 x background y = 25 mm<br>0 a?—_aéeueeeneen 400 800 1,200 1,600<br>Distance in mm<br>Recommended sensing range for the best<br>performance<br>**----- End of picture text -----**<br>


- ① Sensing range on black, 6% remission factor 

- ② Sensing range on gray, 18% remission factor 

- ③ Sensing range on white, 90% remission factor 

## Light spot size 

## WTS26P-xxxxx1xx 

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**----- Start of picture text -----**<br>
Dimensions in mm (inch)<br>12<br>(0.47)<br>8<br>(0.31) SS) ee<br>4 aaa ee<br>(0.16)0 ee<br>–4<br>(–0.16) oe PT<br>–8 l= SSS<br>(–0.31)<br>–12<br>(–0.47) 0 RR 200 400 600 800 1.000 1.200 he s<br>(7.87) (15.75) (23.62) (31.5) (39.37) (47.24) 10 550 1000<br>Distance in mm (inch) (0.39) (21.65) (39.37)<br>Recommended sensing range for the best<br>performance<br>**----- End of picture text -----**<br>


## Sensing range diagram 

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**----- Start of picture text -----**<br>
| 1 40 150 750<br>2 25 150 900<br>a 3 10 150 1,000<br>0 150 300 500 700 1,000<br>(5.91) (11.81) (19.69) (27.56) (39.37)<br>Distance in mm (inch)<br>D<br>8B A @ BluePilot<br>E<br>F<br>C<br>A B<br>**----- End of picture text -----**<br>


Recommended sensing range for the best performance 

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**PHOTOELECTRIC SENSORS | SICK** 

**WTS26P-24161120A00 | W26** COMPACT PHOTOELECTRIC SENSORS 

|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|
|Plug connectors and cables||||
||Head A: female connector, M12, 4-pin, straight, A-coded<br>Head B: Flying leads<br>Cable: Sensor/actuator cable, PVC, unshielded, 5 m|YF2A14-<br>050VB3XLEAX|2096235|
|i<<br>—|Head A: male connector, M12, 4-pin, straight<br>Cable: unshielded|STE-1204-G|6009932|



## Recommended services 

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



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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/wts26p-24161120a00/photoelectric-sensor-1m-npn-pnp/dp/4391265)
---

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