Product Model
WTB4FA-32161120A00

Selling Points
- 1Advanced Background Suppression: Precise detection of flat, highly-reflective, and transparent objects.
- 2Adjustable Sensing Range: Min. 7 mm, max. 150 mm for versatile application possibilities.
- 3Smart Task Functions: Enable intelligent monitoring and predictive maintenance via IO-Link.
- 4High Optical Reliability: Consistent detection results with new ASIC technology from SICK.
- 5IP67 Enclosure Rating: Durable and resistant to harsh environments with an operating temperature range of -40°C to +60°C.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Functional principle | Photoelectric proximity sensor | Functional principle detail | Background suppression, LineSpot technology |
Sensing range_Sensing range min. | 7 mm | Sensing range_Sensing range max. | 150 mm |
Sensing range_Adjustable switching threshold for background suppression | 15 mm ... 150 mm | Sensing range_Reference object | Object with 90% remission factor (complies with standard white according to DIN 5033) |
Sensing range_Minimum distance between set sensing range and background (black 6% / white 90%) | 1 mm, at a distance of 50 mm | Sensing range_Recommended sensing range for the best performance | 30 mm ... 80 mm |
Emitted beam_Light source | PinPoint LED | Emitted beam_Type of light | Visible red light |
Emitted beam_Shape of light spot | Line-shaped | Emitted beam_Light spot size (distance) | 1.4 mm x 19 mm (50 mm) |
Emitted beam_Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle) | < +/- 1.5° (at Ta = +23 °C) | Key LED figures_Normative reference | EN 62471:2008-09 | IEC 62471:2006, modified |
Key LED figures_LED risk group marking | Free group | Key LED figures_Wave length | 635 nm |
Key LED figures_Average service life | 100,000 h at Ta= +25 °C | Adjustment_Teach-Turn adjustment | BluePilot: For setting the sensing range |
Adjustment_IO-Link | For configuring the sensor parameters and Smart Task functions | Indication_LED blue | BluePilot: sensing range indicator |
Indication_LED green | Operating indicatorStatic on: power onFlashing: IO-Link mode | Indication_LED yellow | Status of received light beamStatic on: object presentStatic off: object not present |
IO-Link_Data transmission rate | COM2 (38,4 kBaud) | IO-Link_Cycle time | 2.3 ms |
IO-Link_Process data length | 16 Bit | IO-Link_Process data structure | Bit 0 = switching signal QL1 |
IO-Link | Bit 1 = switching signal QL2 | IO-Link | Bit 2 ... 15 = Current receiver level (live) |
IO-Link_VendorID | 26 | IO-Link_DeviceID HEX | 0x800303 |
IO-Link_DeviceID DEC | 8389379 | IO-Link_Compatible master port type | A |
IO-Link_SIO mode support | Yes | Supply voltage UB | 10 V DC ... 30 V DC |
Ripple | ≤ 5 V | Usage category | DC-12 (According to EN 60947-5-2)#!#DC-13 (According to EN 60947-5-2) |
Current consumption | ≤ 25 mA, without load. At U#!#= 24 V | Protection class | III |
Digital output_Number | 2 (Complementary) | Digital output_Type | Push-pull: PNP/NPN |
Digital output_Switching mode | Light/dark switching | Digital output_Signal voltage PNP HIGH/LOW | Approx. UB-2.5 V / 0 V |
Digital output_Signal voltage NPN HIGH/LOW | Approx. UB/ < 2.5 V | Digital output_Output current Imax. | ≤ 100 mA |
Digital output_Circuit protection outputs | Reverse polarity protected | Digital output | Overcurrent protected |
Digital output | Short-circuit protected | Digital output_Response time | ≤ 500 µs2) |
Digital output_Repeatability (response time) | 150 µs | Digital output_Switching frequency | 1,000 Hz3) |
Pin/Wire assignment_Function of pin 4/black (BK) | Digital output, light switching, object present → output QL1HIGH; IO-Link communication C4) | Pin/Wire assignment_Function of pin 4/black (BK) – detail | The pin 4 function of the sensor can be configured, Additional possible settings via IO-Link |
Pin/Wire assignment_Function of pin 2/white (WH) | Digital output, dark switching, object present → output ǬL1LOW4) | Pin/Wire assignment_Function of pin 2/white (WH) – detail | The pin 2 function of the sensor can be configured, Additional possible settings via IO-Link |
Housing | Rectangular | Design detail | Flat |
Dimensions (W x H x D) | 16 mm x 40.1 mm x 12.1 mm | Connection | Cable with M8 male connector, 4-pin, 110 mm |
Connection detail_Deep-freeze property | Do not bend below 0 °C | Connection detail_Conductor size | 0.14 mm² |
Connection detail_Cable diameter | Ø 3.4 mm | Connection detail_Length of cable (L) | 77 mm |
Material_Housing | Plastic, VISTAL® | Material_Front screen | Plastic, PMMA |
Material_Cable | Plastic, PVC | Material_Male connector | Plastic, VISTAL® |
Weight | Approx. 30 g | Maximum tightening torque of the fixing screws | 0.4 Nm |
Smart Task name | Base logics | Logic function | Direct#!#AND#!#OR |
Timer function | Deactivated#!#Switch-on delay#!#Off delay#!#ON and OFF delay#!#Impulse (one shot) | Inverter | Yes |
Switching frequency | SIO Logic: 900 Hz1)#!#IOL: 800 Hz2) | Response time | SIO Logic: 550 µs1)#!#IOL: 600 µs2) |
Repeatability | SIO Logic: 200 µs1)#!#IOL: 250 µs2) | Switching signal_Switching signal QL1 | Switching output |
Switching signal_Switching signal ǬL1 | Switching output | 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 |
Specifications may be subject to change without notice