pmd8rit – photo dr pl 0.8m spdt timer

Why Choose the Carlo Gavazzi PMD8RIT Diffuse-Reflective Photoelectric Sensor?

The Carlo Gavazzi PMD8RIT is an industrial diffuse-reflective photoelectric sensor with an integrated adjustable timer, designed for reliable non-contact object detection and timed switching in automation and machine-control applications. Part of the Carlo Gavazzi PMD series, it combines adjustable optical sensing, a versatile SPDT relay output and wide-range AC/DC power compatibility in a robust rectangular housing.

The PMD8RIT uses 880 nm modulated infrared light and detects light reflected directly from the target, eliminating the need for a separate reflector or receiver. Its rated operating distance is adjustable from 200–800 mm, while sensitivity adjustment allows the detection point to be configured for different targets and operating conditions.

A key feature of the PMD8RIT is its integrated 0.1–7 s adjustable time delay, supporting delayed switch-on and delayed switch-off functions. Combined with a wide 10.8–264 V DC / 21.6–264 V AC supply range, an SPDT change-over relay output, selectable light/dark operation, screw terminals and IP67 protection, this makes the PMD8RIT a flexible solution for both modern and legacy industrial control systems.

Key Advantages

• 200–800 mm adjustable sensing distance for flexible object detection.
• Integrated 0.1–7 s timer supports applications requiring delayed switching.
• Selectable delayed switch-on or delayed switch-off timing functions.
• Diffuse-reflective sensing eliminates the need for a separate reflector or receiver.
• SPDT change-over relay output provides both normally open and normally closed contacts.
• Wide 10.8–264 V DC / 21.6–264 V AC supply range supports diverse industrial control systems.
• IP67 protection supports dependable operation in demanding industrial environments.

Key Features

• Carlo Gavazzi PMD photoelectric sensor series.
• Diffuse-reflective sensing principle.
• 200–800 mm rated operating distance.
• 880 nm modulated infrared light.
• 10.8–264 V DC operating supply.
• 21.6–264 V AC operating supply.
• SPDT change-over relay output.
• Normally open + normally closed relay contacts.
• 0.1–7 s adjustable timer range.
• Delayed switch-on and delayed switch-off timer modes.
• Selectable light-on and dark-on operation.
• Adjustable sensing sensitivity.
• 20 Hz maximum switching frequency.
• LED indication for target detection.
• Screw-terminal electrical connection.
• 1/2-inch NPT cable entry.
• Robust rectangular plastic housing.
• IP67 degree of protection.

Timed Object Detection for Industrial Automation

Diffuse-reflective sensors such as the Carlo Gavazzi PMD8RIT transmit infrared light towards a target and monitor the light reflected directly back to the sensor. This enables products, components and other objects to be detected from one side of a machine or conveyor without installing a separate reflector or receiving sensor, simplifying many industrial sensing applications.

The integrated timer extends this functionality by allowing the relay response to be delayed by 0.1–7 s. Selectable delayed switch-on and delayed switch-off functions can be used to filter short detection events, maintain an output for a defined period or coordinate downstream equipment, while the SPDT relay and wide AC/DC supply range provide flexible integration with industrial control circuits.

Typical Applications

• Timed conveyor product detection.
• Packaging and processing machinery.
• Material handling and logistics systems.
• Delayed presence and absence detection.
• Product counting and process control.
• Machine sequencing and interlocking.
• Industrial automation with timed relay functions.
• AC and DC machine-control installations.