Structured Manufacturing Data (2026)

Receiver Unit

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Receiver Unit used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Receiver Unit is characterized by the integration of Sensor Array and Control Circuit Board. In industrial production environments, manufacturers listed on CNFX commonly emphasize ABS Plastic construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The detection component of a safety light curtain that receives the optical beam from the transmitter unit.

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Product Specifications

Technical details and manufacturing context for Receiver Unit

Definition
In a safety light curtain system, the receiver unit is the critical component that detects the presence or interruption of the infrared light beam emitted by the transmitter unit. It houses photoelectric sensors that convert the received light signal into an electrical signal. When an object or person breaks the beam, the receiver unit sends a stop signal to the connected machinery's control system to initiate a safety shutdown, preventing access to hazardous areas.
Working Principle
The receiver unit contains an array of photodiodes or phototransistors aligned with the transmitter's LEDs. It continuously monitors the intensity of the received infrared light. A built-in control circuit processes this signal. If the received light level falls below a set threshold (indicating beam interruption), the unit's output relay changes state, signaling the machine's safety controller to halt operation.
Common Materials
ABS Plastic, Polycarbonate, Aluminum Alloy
Technical Parameters
  • The protective height (length) of the light curtain, defining the vertical detection zone. (mm) Customizable
Components / BOM
  • Sensor Array
    Contains the aligned photoelectric sensors (photodiodes/transistors) that detect the infrared light beam.
    Material: Silicon, Epoxy
  • Control Circuit Board
    Processes the sensor signals, monitors beam integrity, and controls the safety output relay.
    Material: FR-4, Copper, Electronic Components
  • Housing Part
    Provides physical protection (IP rating) for internal components and mounts the unit.
    Material: ABS Plastic, Polycarbonate
  • Connection Port Part
    Interface for power supply, communication with the transmitter, and safety signal output.
    Material: Plastic, Metal Contacts

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Receiver Unit.

safety light curtain receiver unit optical beam detection receiver machinery safety curtain receiver industrial safety light curtain component receiver unit for equipment manufacturing

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Safety Light Curtain
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Safety Light Curtains
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Safety Sensors
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Remote Control System
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Photo-eye Sensors
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (non-contact optical device)
other spec: Protection rating: IP67, Response time: <20ms
temperature: -10°C to +55°C
Media Compatibility
✓ Factory automation environments ✓ Clean manufacturing areas ✓ Packaging machinery zones
Unsuitable: High particulate/dust environments without protective enclosures
Sizing Data Required
  • Required detection distance (range)
  • Required resolution (beam spacing)
  • Required safety category (e.g., Type 4 per IEC 61496)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion and pitting
Cause: Exposure to moisture, corrosive fluids, or environmental contaminants leading to material degradation and loss of structural integrity.
Fatigue cracking at weld joints or connections
Cause: Cyclic pressure fluctuations, vibration, or thermal expansion/contraction stresses exceeding material endurance limits over time.
Maintenance Indicators
  • Audible hissing or whistling indicating air/gas leaks at connections or seams
  • Visible external corrosion, weeping moisture, or oil stains on the receiver shell
Engineering Tips
  • Implement routine internal inspection and ultrasonic thickness testing to monitor wall thinning before critical failure
  • Install vibration dampeners and ensure proper support mounting to reduce stress concentrations at connection points

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ANSI/ASME B46.1 Surface Texture DIN 7172 Geometrical Tolerances
Manufacturing Precision
  • Bore Diameter: +/-0.01mm
  • Surface Flatness: 0.05mm
Quality Inspection
  • Dimensional Verification with CMM
  • Leak Test (Pressure Decay Method)

Factories Producing Receiver Unit

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of a receiver unit in a safety light curtain system?

The receiver unit detects the optical beam emitted by the transmitter unit. When the beam is interrupted, it signals the machinery to stop or take safety measures, preventing accidents in industrial environments.

What materials are used in the construction of this receiver unit and why?

This receiver unit uses ABS plastic and polycarbonate for impact-resistant housing, and aluminum alloy for structural components. These materials provide durability, corrosion resistance, and protection for internal electronics in harsh industrial settings.

How does the sensor array in the receiver unit work with safety light curtains?

The sensor array consists of multiple photoelectric sensors that detect the infrared light beams from the transmitter. When any beam is broken, the control circuit board processes this interruption and triggers an immediate safety response from the connected machinery.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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