During technical comparisons, WLD4FP-313121A0ZZZ appears alongside Sick Laser Sensor, Sick Gtb6 P1211 and P&F Photoelectric Sensor so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Sick WLD4FP-313121A0ZZZ Photoelectric Sensor
The Sick WLD4FP-313121A0ZZZ Photoelectric Sensor offers a Rectangular design, 635 nm sensing range, PinPoint LED light source, Push-pull: PNP/NPN output, and –40 °C ... +60 °C connection. Manufactured by Sick under the Sick Photoelectric Sensor category, this model belongs to the WL Series.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Model Number | WLD4FP-313121A0ZZZ |
Sick WLD4FP-313121A0ZZZ Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | With minimum distance to reflector (dual lens system) |
| Sensing range max. | 4.5 m |
| Sensing range | - |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 38 mm (1,000 mm) |
| Wave length | 635 nm |
| Adjustment | None |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | ≤ 5 Vpp |
| Current consumption | ≤ 20 mA, without load. At UB = 24 V |
| Protection class | III |
| Digital Output type | Push-pull: PNP/NPN |
| Switching mode | - |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 500 µs |
| Switching frequency | 1,000 Hz 3) |
| Housing | Rectangular |
| Design detail | Flat |
| Dimensions (W x H x D) | 16 mm x 40.1 mm x 12.1 mm |
| Connection | Cable with connector M8, 3-pin, 110 mm |
| Housing material | Plastic, VISTAL® |
| Front screen material | Plastic, PMMA |
| Enclosure rating | IP66 (EN 60529), IP67 (EN 60529), IP69 (EN 60529) |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | Approx. 30 g |
Designed for advanced automation tasks, the Schneider PLC offers superior processing speed, modular architecture, and flexible communication options that meet the complex demands of today’s industrial environments. It supports multiple industrial communication protocols, including Modbus TCP/IP, EtherNet/IP, and CANopen, ensuring seamless connectivity across HMIs, drives, and SCADA systems. With wide-ranging I/O configurations and embedded analog and digital modules, the PLC is well-suited for machine control, packaging systems, and distributed process control.
Engineered with rugged components, the Schneider PLC operates reliably across extreme temperature and vibration conditions. Its supply voltage range of 10 V DC to 30 V DC with ripple tolerance ≤ 5 Vpp enables stable operation in noisy environments. Key performance specifications include response times under 1 ms, fast scan cycles, and secure memory handling for critical logic and ladder programs. Built-in diagnostic and maintenance tools enhance uptime by providing early warnings on I/O faults and communication disruptions.
This model features IO-Link integration, enabling advanced sensor-level diagnostics and remote configuration. The housing is constructed from high-durability thermoplastics with an IP20 to IP67 protection rating depending on the module enclosure, safeguarding electronics from dust, water, and electrical interference. Whether deployed in a standalone machine or as part of a networked system, the Schneider PLC delivers reliability and long-term ROI. With built-in cyber-secure firmware and compatibility with Schneider’s EcoStruxure™ platform, it supports remote monitoring, energy analytics, and predictive maintenance.
