ST DL420H2-D1T Pizzato ST D series safety sensor

ST DL420H2-D1T Pizzato ST D series safety sensor

Pizzato ST DL420H2-D1T is a 24 V DC ST D series RFID non-contact safety sensor with a high-coded D1T actuator, two safety inputs, two safety outputs, one signalling output, one programming input, 12 mm actuation distance and IP67 / IP69K protection.

SKU: STDL420H2-D1TAlt SKU: STDL420H2D1TMPN: ST DL420H2-D1T
Price
List Price £118.50 ex VAT
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£118.50
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Why Choose the Pizzato ST DL420H2-D1T ST D Series Safety Sensor?

The Pizzato ST DL420H2-D1T is an advanced RFID coded non-contact safety sensor with actuator designed for monitoring guards, doors and protective devices on industrial machinery. As part of the Pizzato ST D RFID Safety Sensor series, it combines electronic RFID actuator recognition with solid-state safety switching to provide reliable guard monitoring without the mechanical wear associated with conventional electromechanical safety switches.

The ST DL420H2-D1T provides two safety inputs IS1–IS2, two safety outputs OS1–OS2, one signalling output O3 and one programming input I3. This comprehensive input and output configuration supports integration into modern machine safety architectures, while the PNP switching outputs provide dependable electronic interfacing with compatible safety control equipment.

Operating from a 24 V DC supply, this model features a PUR cable and a technopolymer housing with the connection exiting from the left-hand side. The D1T configuration uses a high-coded RFID actuator with individually coded actuators, a 12 mm actuation distance and an actuator measuring 45 × 25 × 18 mm. With IP67 / IP69K protection and an operating temperature range of -25 °C to +70 °C, it is well suited to demanding industrial safety applications.

Key Advantages

  • Non-contact RFID coded safety sensing technology minimises mechanical wear and maintenance.
  • D1T high-coded RFID actuator with individually coded actuators provides enhanced protection against manipulation.
  • Two safety inputs IS1–IS2 and two safety outputs OS1–OS2 support advanced machine safety architectures.
  • Dedicated O3 signalling output and I3 programming input provide additional control and configuration flexibility.
  • 12 mm actuation distance provides practical installation tolerance between sensor and actuator.
  • IP67 / IP69K protection supports reliable operation in demanding industrial environments.

Key Features

  • Pizzato ST D series RFID safety sensor.
  • RFID coded non-contact switching technology.
  • D1T high-coded, individually coded actuator.
  • 12 mm actuation distance.
  • Two safety inputs: IS1 and IS2.
  • Two safety outputs: OS1 and OS2.
  • One signalling output: O3.
  • One programming input: I3.
  • PNP switching outputs.
  • 24 V DC power supply.
  • Industrial PUR cable connection.
  • Technopolymer housing with left-side connection exit.
  • IP67 / IP69K ingress protection.
  • Operating temperature range of -25 °C to +70 °C.
  • Supports safety applications up to SIL 3 and PL e.

Reliable RFID Guard Monitoring for Industrial Automation

RFID safety sensors such as the Pizzato ST D series monitor movable guards without requiring physical contact between the sensor and actuator. When the correctly coded RFID actuator enters the sensor's operating zone, the electronic safety outputs communicate the guard condition to the associated safety control system, helping prevent hazardous machine operation when a monitored protective device is not correctly positioned.

The ST DL420H2-D1T combines high-coded RFID identification with dedicated safety inputs, safety outputs, signalling and programming functionality. Its non-contact design, robust PUR cable connection and IP67 / IP69K enclosure protection make it particularly suitable for high-cycle automated machinery and installations exposed to dust, moisture or intensive industrial cleaning.

Typical Applications

  • Machine guard and safety-door monitoring.
  • Industrial production and assembly machinery.
  • Packaging and processing equipment.
  • Automated manufacturing cells and robotic systems.
  • Conveyors and material handling equipment.
  • Machinery requiring high-coded RFID guard monitoring and advanced safety integration.

Technical Specifications

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Connection Integrated cable
Sensing Principle RFID (coded)
Coding Level High (unique)
Contacts 2 safety outputs (OSSD) + 1 signalling
Product Series Pizzato ST D (RFID)
Manufacturer Pizzato Elettrica
Series ST D RFID Safety Sensors
Model ST DL420H2-D1T
Product type RFID non-contact safety sensor with actuator
Technology RFID coded non-contact switching
Supply voltage 24 V DC
Safety inputs 2 (IS1–IS2)
Safety outputs 2 (OS1–OS2)
Signalling output 1 (O3)
Programming input 1 (I3)
Switching output type PNP
Actuator coding level High, individually coded (1T)
Actuation distance 12 mm
Actuator dimensions 45 × 25 × 18 mm
Actuator fixing Front and side fixing
Connection type PUR cable
Connection position Left
Housing material Technopolymer
Protection rating IP67 / IP69K
Operating temperature -25 °C to +70 °C
Safety integrity level SIL 3 according to IEC 61508
Performance level PL e according to EN ISO 13849-1
HS Code 85369095
IP Rating IP67, IP69K

Frequently Asked Questions

What is the Pizzato ST DL420H2-D1T used for?

The ST DL420H2-D1T is designed for non-contact safety monitoring of machine guards, doors and protective devices in industrial machinery and automated production systems.

What inputs and outputs does the ST DL420H2-D1T provide?

The sensor provides two safety inputs IS1–IS2, two safety outputs OS1–OS2, one signalling output O3 and one programming input I3.

What coding level does the ST DL420H2-D1T use?

The D1T configuration uses a high coding level with individually coded RFID actuators, providing enhanced protection against actuator substitution and manipulation.

What is the actuation distance of the ST DL420H2-D1T?

The sensor provides an actuation distance of 12 mm, while its actuator measures 45 × 25 × 18 mm and supports front and side fixing.

What safety and environmental ratings does the ST DL420H2-D1T provide?

The sensor provides IP67 / IP69K protection and supports safety applications up to SIL 3 according to IEC 61508 and PL e according to EN ISO 13849-1.

Trusted by Machine Builders Worldwide

Pizzato ST D RFID safety sensors are used by machine builders and automation engineers to provide reliable non-contact guard monitoring, high-coded actuator identification and robust functional safety across modern industrial machinery and automated production systems.

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