ST DD420M0.5-D1T Pizzato ST D series safety sensor

Why Choose the Pizzato ST DD420M0.5-D1T ST D Series Safety Sensor?

The Pizzato ST DD420M0.5-D1T is a compact, non-contact RFID safety sensor designed for monitoring guards, doors and other protective devices on industrial machinery. As part of the advanced Pizzato ST D series, it combines RFID technology with a high-coded actuator to provide reliable safety monitoring without the mechanical wear associated with conventional electromechanical safety switches.

Designed for demanding machine safety applications, the ST DD420M0.5-D1T features two safe inputs IS1-IS2, two safe outputs OS1-OS2, one signalling output O3 and one programming input I3. The sensor is suitable for safety functions and provides performance up to PL e and SIL 3 when correctly integrated into an appropriate machine safety system.

The sensor operates from a 24 V DC supply and uses a PVC cable with M12 connector for electrical connection. Its D-format high-coded actuator measures 45 × 25 × 18 mm, supports front and side fixing and provides a 12 mm actuation distance. A robust technopolymer housing, IP67 and IP69K protection and an operating temperature range from -25 to +70 °C make it suitable for demanding industrial environments.

Key Advantages

• Compact non-contact RFID safety sensor for industrial guard monitoring.
• High-coded actuator provides enhanced protection against manipulation.
• Supports safety systems up to PL e and SIL 3 when correctly integrated.
• 12 mm actuation distance provides practical tolerance for machine guard alignment.
• Two safe inputs and two safe outputs provide flexible machine safety integration.
• PNP switching outputs for integration with industrial safety control systems.
• Non-contact operation reduces mechanical wear compared with conventional safety switches.
• IP67 and IP69K protection for demanding industrial environments.

Key Features

• Pizzato ST D series RFID safety sensor.
• 24 V DC power supply.
• 2 safe inputs IS1-IS2.
• 2 safe outputs OS1-OS2.
• 1 signalling output O3.
• 1 programming input I3.
• PNP switching output.
• High actuator coding level.
• 12 mm actuator actuation distance.
• D-format actuator with front and side fixing.
• PVC cable and M12 electrical connector.
• Technopolymer housing with right-hand connection exit.
• Integrated status indication.
• -25 to +70 °C ambient operating temperature.
• IP67 and IP69K protection.

Reliable RFID Safety Monitoring for Industrial Machinery

RFID safety sensors such as the Pizzato ST D series monitor the position of movable machine guards without requiring mechanical contact between the sensor and actuator. The coded actuator is detected electronically, allowing the machine safety system to determine whether the protective guard is correctly positioned before hazardous machine functions are permitted.

The non-contact operating principle is particularly valuable on machinery with frequent operating cycles because there are no mechanical switching contacts between the sensor and actuator. The ST DD420M0.5-D1T combines high-level actuator coding with safe electronic outputs, robust environmental protection and status indication for dependable integration into modern industrial safety systems.

Typical Applications

• Industrial machine guard and access door monitoring.
• Packaging and production machinery.
• Robotic cells and automated manufacturing systems.
• Material handling and conveyor equipment.
• Machine tools and processing machinery.
• Safety enclosures and protective guarding.
• Assembly and automated production lines.
• OEM machinery and industrial automation systems.