---
title: "Optical Positioning Sensor"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:OPTICAL_POSITIONING_SENSOR"
  data_integrity_hash: "b8c694000832270c7aa14ff5f7ad8783"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:OPTICAL_POSITIONING_SENSOR"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/optical-positioning-sensor.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/optical-positioning-sensor"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-1000 mm with ±0.01 mm accuracy at 25°C"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 000
    unit: "lux"
    consequence: "Photodiode saturation at high ambient light levels prevents signal discrimination; CMOS dark current doubling every 8-10°C temperature increase reduces signal-to-noise ratio"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Laser diode current exceeding 150% rated value for &gt;100 ms"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Constant current driver with foldback protection limiting current to 120% of rated value"
  - node_2:
      trigger: "Optical window contamination accumulating &gt;5 μm particulate layer"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hermetic sealing with IP67 rating and periodic maintenance cleaning protocol"
bom_nodes:
  emitter-lens:
    type: "component"
    urn: "URN:CNFX:ME:EMITTER_LENS"
    interface_type: "physical-logic-coupled"
  receiver-lens:
    type: "component"
    urn: "URN:CNFX:ME:RECEIVER_LENS"
    interface_type: "physical-logic-coupled"
  signal-processing-circuit-board:
    type: "part"
    urn: "URN:CNFX:ME:SIGNAL_PROCESSING_CIRCUIT_BOARD"
    interface_type: "physical-logic-coupled"
  protective-window:
    type: "component"
    urn: "URN:CNFX:ME:PROTECTIVE_WINDOW"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9286:2022 (OPTICAL AND PHOTONIC INSTRUMENTS - SENSORS FOR NON-CONTACT OPTICAL MEASUREMENTS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/optical-positioning-sensor.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "cf5b7a84aac339408e09a645d3de217a5c1d98af6d5b31d38a72b079effb3f99"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Optical Positioning Sensor

## 1. Technical Definition
A non-contact sensor that uses optical technology to detect and measure the precise position of objects within a machine's working area.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-1000 mm with ±0.01 mm accuracy at 25°C**. Failure boundary: **Ambient light intensity &gt; 100,000 lux causes signal saturation, temperature &gt; 85°C degrades CMOS sensor performance**, Mechanism: **Photodiode saturation at high ambient light levels prevents signal discrimination; CMOS dark current doubling every 8-10°C temperature increase reduces signal-to-noise ratio**.

### 2.1 Analytical Physics Model
Governed by the **Rayleigh Resolution Criterion**:

> **Primary Equation**: $d = \frac{0.61 \lambda}{NA}$  
> **Engineering Impact**: Defines the theoretical limit of machine vision systems.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| \lambda | Wavelength | Engineering Constant |
| NA | Numerical Aperture | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Laser diode current exceeding 150% rated value for &gt;100 ms | 8 | Emitter wavelength shift from 650 nm to &gt;680 nm causing measurement error &gt;0.1 mm | Constant current driver with foldback protection limiting current to 120% of rated value |
| Optical window contamination accumulating &gt;5 μm particulate layer | 8 | Light transmission reduction below 70% causing signal loss and measurement dropout | Hermetic sealing with IP67 rating and periodic maintenance cleaning protocol |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Signal Processing Circuit Board](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/signal-processing-circuit-board.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Industrial Controller**, **Power Supply Unit**, **Mounting Bracket System**  
**Downstream Applications**: CNC Machining Centers, Robotic Assembly Systems, Automated Packaging Lines  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What is the typical measurement accuracy of this optical positioning sensor?
**A**: Our optical positioning sensors typically achieve measurement accuracies within ±0.1mm, depending on the specific model and application conditions, making them ideal for precision manufacturing environments.

### Q: How does this sensor perform in dusty or dirty industrial environments?
**A**: The sensor features a protective window and sealed aluminum/stainless steel housing that provides IP67-rated protection against dust, moisture, and contaminants, ensuring reliable operation in challenging industrial conditions.

### Q: What types of materials can this optical sensor detect?
**A**: This sensor can detect a wide range of materials including metals, plastics, glass, and composites, as it uses optical technology that doesn't require physical contact with the target object.

## 6. Manufacturing Compliance
- ISO 9286:2022 (OPTICAL AND PHOTONIC INSTRUMENTS - SENSORS FOR NON-CONTACT OPTICAL MEASUREMENTS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Optical Positioning Sensor](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/optical-positioning-sensor)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: OPTICAL_POSITIONING_SENSOR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: b6608a5b
