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| Country of Origin | United States |
|---|---|
| Brand | SICK |
| Response time | 2ms |
| Light Source | LED |
| Detection range | 60 mm → 900 mm |
| Model | IP67 |
| IP Rating | IP67 |
| Housing Material | Plastic |
| Output type | NPN/PNP |
| Series | ZoneControl |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Maximum Current | 100mA |
| Terminal type | 4-Pin Connector |
| Interface Type | M12 Connector, 4-Pin |
| Maximum dc Voltage | 30V dc |
| Standards/Approvals | CE Certified, UL Certified |
| Sensor Style | Block |
| Three mounting types | mounting between the rollers (R/IR), mounting on the side frame (ZLM), or mounting above the belt (WLR) |
| Three types of logic | single feed, single feed with sleep function, block (slug) feed |
SICK RT-B2221 Background Suppression Photoelectric Sensor is a block sensor featuring a detection range from 60 mm to 900 mm and dual NPN/PNP output types within an IP67-rated enclosure. It is powered by an LED light source and offers a fast response time of 2 milliseconds. The sensor supports operation across a wide temperature spectrum from -40°C to 60°C, making it suitable for diverse industrial environments.
This sensor is built with a robust plastic housing designed to withstand harsh conditions, certified to meet CE and UL standards. The M12 4-pin connector allows for simple mounting and integration into automation systems.
Key applications include zero pressure accumulation on conveyor belts, automated load transfer, and zone control without requiring external PLCs or programming. The product supports multiple mounting configurations enabling flexible setup in conveyor systems.
The sensor belongs to SICK’s ZoneControl series, which allows up to 50 units to be connected in series, facilitating scalable and modular conveyor zone control solutions. It is engineered for industrial, manufacturing, and automation use cases requiring precise and reliable background suppression sensing.
Supports background suppression detection for precise sensing applications. Equipped with NPN/PNP output types for versatile connectivity. Robust IP67 rated plastic housing ensures durability in harsh environments. Maximum operating temperature of 60°C and minimum -40°C for wide temperature range applications.
Fast response time of 2 milliseconds enables efficient sensing performance. Utilizes LED as the light source for reliable operation. Features M12 4-pin connector interface for easy installation and connection. Certified with CE and UL standards ensuring quality and safety compliance.
Designed for industrial automation, conveyor controls, and zone control systems. Manufactured in the United States maintaining strict production standards.
For reliable and efficient photoelectric sensing in industrial automation, the SICK RT-B2221 Photoelectric Sensor provides a robust and flexible solution designed to meet demanding process and control requirements. Explore more sensors and automation products in the Electronics & Electricals category on EnvMart.
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