vp21em - photo ip psu 10-40vdc npn nc

vp21em – photo ip psu 10-40vdc npn nc

Carlo Gavazzi VP21EM industrial photoelectric sensor with a 10–40 V DC supply and NPN normally closed transistor output for automation and machine detection applications.

SKU: VP21EMMPN: VP21EM
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Why Choose the Carlo Gavazzi VP21EM Photoelectric Sensor?

The Carlo Gavazzi VP21EM is an industrial photoelectric sensor designed for reliable object and presence detection in automation and machine-control applications. Manufactured by Carlo Gavazzi as part of its established photoelectric sensing range, the VP21EM combines solid-state sensing electronics with a compact industrial design for dependable operation in automated equipment.

The VP21EM is configured for a 10–40 V DC supply and provides an NPN normally closed (NC) transistor output. This configuration makes it suitable for interfacing with compatible PLC digital inputs, relays and machine-control electronics where an NPN sinking output is required.

Designed for industrial automation environments, the VP21EM provides a practical sensing solution for machinery, handling equipment and production systems. Its solid-state output avoids mechanical switching contacts, helping provide fast, repeatable operation and a long service life in applications involving frequent detection cycles.

Key Advantages

  • Industrial photoelectric sensing technology for automated detection applications.
  • NPN normally closed (NC) transistor output for compatible industrial control circuits.
  • Wide 10–40 V DC supply range for integration with automation equipment.
  • Solid-state switching provides reliable operation without mechanical output contacts.
  • Suitable for repetitive sensing duties in machinery and production systems.
  • Carlo Gavazzi construction for dependable industrial automation applications.

Key Features

  • Carlo Gavazzi VP series photoelectric sensor.
  • Photoelectric detection principle.
  • NPN transistor output.
  • Normally closed (NC) switching function.
  • 10–40 V DC operating supply.
  • Solid-state electronic switching for repeatable detection.
  • Designed for integration with PLCs and industrial control equipment.
  • Suitable for machine automation and presence-detection applications.

Reliable Photoelectric Detection for Industrial Automation

Photoelectric sensors detect objects by using light rather than relying on physical contact with the target. This enables fast and repeatable detection in automated machinery while reducing mechanical wear associated with contact-based sensing devices. The technology is widely used throughout manufacturing, conveying and material-handling equipment.

With its NPN normally closed output and 10–40 V DC supply range, the Carlo Gavazzi VP21EM can be incorporated into compatible industrial control circuits for monitoring objects, components and machine conditions. Its electronic switching architecture makes it particularly useful where frequent sensing cycles and consistent operation are required.

Typical Applications

  • Industrial machine automation.
  • Object and component presence detection.
  • Conveyor and material handling systems.
  • Packaging and production machinery.
  • Automated assembly equipment.
  • PLC-based machine control systems.

Technical Specifications

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Coil / Supply Voltage 10–40 V DC
Output Type NPN
Sensing Principle Photoelectric
Output Function NC
Manufacturer Carlo Gavazzi
Series VP
Model VP21EM
Manufacturer part number VP21EM
Product type Photoelectric sensor
Sensor principle Photoelectric
Supply voltage 10–40 V DC
Output Type NPN transistor
Output function Normally Closed (NC)
Switching technology Solid-state
Application Industrial automation and machine sensing

Frequently Asked Questions

What is the Carlo Gavazzi VP21EM?

The VP21EM is a photoelectric industrial sensor designed for detection applications in automated machinery and control systems.

What output does the VP21EM provide?

The VP21EM provides an NPN normally closed (NC) transistor output for connection to compatible industrial control equipment.

What supply voltage does the VP21EM require?

The sensor is designed for a 10–40 V DC supply, making it suitable for a range of industrial automation installations.

Can the VP21EM be connected to a PLC?

Yes. Its NPN solid-state output can be connected to a compatible PLC digital input or other industrial controller designed to accept an NPN sinking signal.

Where is the Carlo Gavazzi VP21EM typically used?

The VP21EM is suitable for applications including automated machinery, conveyor systems, production equipment and industrial object or presence detection.

Trusted by Industrial Automation Professionals

Carlo Gavazzi photoelectric sensors provide machine builders, system integrators and automation engineers with reliable solid-state sensing solutions for object detection, production machinery and industrial control applications.