Product Overview
Short-Range Background-Suppression Sensor for Compact Automation Installations
Product Condition
Unused, New Old Stock unit kept in the manufacturer’s original packaging. Packaging shows minor handling from storage only, with no indication of installation or field use.
Carefully packed and shipped same business day from our Idaho warehouse. Online since 1999. Honest equipment and straightforward service.
Product Overview
Keyence PR-MB30CP photoelectric sensor built for precise short-range detection in space-constrained automation environments. This model belongs to the PR-M/F miniature sensor family, designed to deliver stable background suppression without constant mechanical adjustment. Its role is foreground detection at very close distances while rejecting reflections from surrounding machine surfaces. That capability is critical in compact fixtures, tight conveyor sections, and dense tooling where false triggers create downtime.
The PR-MB30CP uses a reflective background-suppression optical principle combined with Keyence control electronics developed for immunity to ambient light and electrical noise. The sensor is intended for long-service industrial installations where reliability and repeatability matter more than adjustable complexity.
Key Features
- Miniature background-suppression photoelectric sensing principle
- Designed for close-range detection typically in the 1–30 mm class
- Stainless-steel SUS316L housing with resin-filled internal construction
- Resistance to oils, alkaline detergents, and washdown environments
- High ingress protection ratings within the PR-M/F series design
- M8 connector interface for standardized industrial wiring
- 10–30 VDC operating range for common control systems
- Family-level support for NPN or PNP open-collector outputs
- Built-in reverse-polarity and overcurrent protection
- LED indicators for output and stability confirmation
Applications
- Presence or absence detection of small parts in assembly fixtures
- Electronics and PCB handling equipment with limited mounting space
- Packaging machinery with reflective backgrounds
- Food and beverage equipment requiring washdown-capable sensors
- Conveyor transfer points and pick verification stations
- Short-range position confirmation in automated tooling
Frequently Asked Questions
What does background suppression mean on this sensor?
Background suppression allows the sensor to detect objects within a defined close-range foreground while rejecting reflections from surfaces beyond that distance. This reduces false triggering in tight mechanical layouts.
Is the sensing distance adjustable?
The PR-MB30CP is designed for stable short-range operation with minimal adjustment. Exact sensing behavior and setup procedures are defined in the Keyence datasheet for this model.
What output type does this unit use?
The PR-M/F family includes variants with NPN or PNP open-collector outputs. Buyers should confirm compatibility with their control system using Keyence documentation.
Is this sensor suitable for washdown environments?
The stainless-steel housing and resin-filled construction support high ingress protection ratings. Environmental limits such as temperature and chemical exposure should still be verified for the specific application.
Can multiple sensors be mounted close together?
The PR-M/F series incorporates high-frequency emission and control methods designed to reduce optical cross-talk when sensors are installed in close proximity.
Compact sensors like the PR-MB30CP earn their reputation quietly. Once mounted and wired, they tend to disappear into the machine, doing exactly what they were designed to do for years at a time.
