Sick WFM120-120N311 Fork Sensor
The WFM120-120N311 is a Sick Fork Sensor with 120 mm fork width and 124 mm fork depth configuration. This Sick Fork Sensor operates on the optical detection principle with 1 mm minimum detectable object, NPN switching output, light switching mode, less than 20 mA current consumption, 100 mA output current, M8 3-pin connector, aluminum housing, and integrated circuit protection.
| Brand | Sick |
| Product Type | Fork Sensor |
| Model Number | WFM120-120N311 |
Sick WFM120-120N311 Fork Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Dimensions (W x H x D) | 10 mm x 140 mm x 141.8 mm |
| Fork width | 120 mm |
| Fork depth | 124 mm |
| Minimum detectable object (MDO) | 1 mm |
| Adjustment | None |
| Teach-in mode | 1-point teach-in2-point teach-inTeach-in dynamic |
| Current consumption | < 20 mA 1) |
| Switching output | NPN |
| Switching output (voltage) | PNP: HIGH = VS β β€ 1.5 V / LOW = 0 VNPN: HIGH = approx. VS / LOW β€ 1.5 V |
| Switching mode | Light switching |
| Output current Imax. | 100 mA |
| Connection type | Connector M8, 3-pin |
| Circuit protection | UV connections, reverse polarity protectedOutput Q short-circuit protectedInterference pulse suppression |
| Weight | Approx. 80 g ... 190 g 2) |
| Housing material | Aluminum |
| Functional principle | Optical detection principle |
WFM120-120N311 Sick Fork Sensor is designed for structured object monitoring in industrial automation environments. The Sick WFM120-120N311 Fork Sensor provides 120 mm fork width, 124 mm fork depth, 1 mm minimum detectable object, and NPN switching output for PLC compatibility. With light switching mode and less than 20 mA current consumption, it supports stable detection performance in repetitive industrial processes.
In conveyor systems, packaging machinery, and automated assembly lines, the WFM120-120N311 Sick Fork Sensor ensures consistent object detection across wider fork openings. The available teach-in modes, including 1-point, 2-point, and dynamic teach-in, help adjust detection thresholds. The M8 3-pin connector simplifies electrical integration, while the aluminum housing provides mechanical stability in industrial installations.
The Sick WFM120-120N311 Fork Sensor includes reverse polarity protection, short-circuit protection, and interference pulse suppression to maintain electrical reliability. Its optical detection principle and defined fork geometry enable precise switching behavior. This Sick Fork Sensor model is suitable for industrial automation systems requiring dependable and repeatable object detection.
Related Products
