---
title: "Position Feedback Sensor"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:POSITION_FEEDBACK_SENSOR"
  data_integrity_hash: "12c66b12c10f2a5d9dfdf30b688b2148"
  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:POSITION_FEEDBACK_SENSOR"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/position-feedback-sensor.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/position-feedback-sensor"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-100% stroke with ±0.1% full-scale accuracy at 4-20 mA output"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 125
    unit: "°C"
    consequence: "Hall effect sensor demagnetization at Curie temperature (Tc=138°C for NdFeB magnets) or piezoelectric crystal fracture at 100 MPa stress"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electromagnetic interference from 50 Hz AC motors exceeding 100 V/m field strength"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Shielded twisted-pair cabling with ferrite cores and 1 mm aluminum enclosure providing 40 dB attenuation at 50-60 Hz"
  - node_2:
      trigger: "Condensation forming at 85% relative humidity with 10°C temperature differential"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Conformal coating with 0.2 mm parylene-C layer achieving 10^15 Ω·cm volume resistivity and -200°C to 350°C operational range"
bom_nodes:
  sensor-bodyhousing:
    type: "component"
    urn: "URN:CNFX:ME:SENSOR_BODYHOUSING"
    interface_type: "physical-logic-coupled"
  sensing-element:
    type: "component"
    urn: "URN:CNFX:ME:SENSING_ELEMENT"
    interface_type: "physical-logic-coupled"
  position-magnet:
    type: "component"
    urn: "URN:CNFX:ME:POSITION_MAGNET"
    interface_type: "physical-logic-coupled"
  signal-conditioning-electronics:
    type: "part"
    urn: "URN:CNFX:ME:SIGNAL_CONDITIONING_ELECTRONICS"
    interface_type: "physical-logic-coupled"
  electrical-connection:
    type: "part"
    urn: "URN:CNFX:ME:ELECTRICAL_CONNECTION"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 13849-1:2015 SAFETY OF MACHINERY - SAFETY-RELATED PARTS OF CONTROL SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ISA-95.00.01-2010 ENTERPRISE-CONTROL SYSTEM INTEGRATION"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN 60947-5-2:2008 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PROXIMITY SWITCHES"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/position-feedback-sensor.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "dc29e658923151e0f14cabb32b12540f288fd7f5042e0796a3152794c7aaaace"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Position Feedback Sensor

## 1. Technical Definition
A sensor that detects and reports the real-time position of a valve actuator's moving components.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-100% stroke with ±0.1% full-scale accuracy at 4-20 mA output**. Failure boundary: **Exceeding 125°C operating temperature or 1000g shock acceleration**, Mechanism: **Hall effect sensor demagnetization at Curie temperature (Tc=138°C for NdFeB magnets) or piezoelectric crystal fracture at 100 MPa stress**.

### 2.1 Analytical Physics Model
Governed by the **Combined Measurement Uncertainty**:

> **Primary Equation**: $u_c = \sqrt{\sum u_i^2}$  
> **Engineering Impact**: Defines the precision confidence interval for inspection.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| u_i | Standard Uncertainty components | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electromagnetic interference from 50 Hz AC motors exceeding 100 V/m field strength | 8 | Signal-to-noise ratio degradation below 20 dB causing position feedback error &gt;5% | Shielded twisted-pair cabling with ferrite cores and 1 mm aluminum enclosure providing 40 dB attenuation at 50-60 Hz |
| Condensation forming at 85% relative humidity with 10°C temperature differential | 8 | Moisture ingress causing 500 kΩ insulation resistance drop below IP67 rating threshold | Conformal coating with 0.2 mm parylene-C layer achieving 10^15 Ω·cm volume resistivity and -200°C to 350°C operational range |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Signal Conditioning Electronics](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/signal-conditioning-electronics.md) `(Standalone System)`
- [Electrical Connection](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/electrical-connection.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Valve Actuator**, **Programmable Logic Controller (PLC)**, **Human-Machine Interface (HMI)**  
**Downstream Applications**: Industrial Control Valves, Process Automation Systems, Robotic Assembly Lines  

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

### Q: What materials are used in this position feedback sensor for durability?
**A**: This sensor features 316L/304 stainless steel housing, PTFE/PFA seals and liners for chemical resistance, epoxy encapsulation for protection, and a ceramic substrate for stable performance in harsh industrial environments.

### Q: How does this sensor provide real-time position feedback for valve actuators?
**A**: The sensor detects the position of the actuator's moving components using a position magnet and sensing element, with signal conditioning electronics that process and transmit accurate real-time position data to control systems.

### Q: What are the main components in this position feedback sensor's BOM?
**A**: The bill of materials includes: Electrical Connection for power/data, Position Magnet for detection, Sensing Element for measurement, Sensor Body/Housing for protection, and Signal Conditioning Electronics for accurate signal processing.

## 6. Manufacturing Compliance
- ISO 13849-1:2015 SAFETY OF MACHINERY - SAFETY-RELATED PARTS OF CONTROL SYSTEMS
- ANSI/ISA-95.00.01-2010 ENTERPRISE-CONTROL SYSTEM INTEGRATION
- DIN EN 60947-5-2:2008 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PROXIMITY SWITCHES

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Position Feedback Sensor](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/position-feedback-sensor)**

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

> **Reference ID**: POSITION_FEEDBACK_SENSOR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 8c7a39d1
