---
title: "Safety Relay Module"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:SAFETY_RELAY_MODULE"
  data_integrity_hash: "8d6a041eae8050c5e6c4f57ddaf41031"
  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:SAFETY_RELAY_MODULE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/safety-relay-module.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/safety-relay-module"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "24-240 VDC, 24-230 VAC, 50/60 Hz, 0.1-2.0 A contact rating"
    unit: "null"
engineering_limits:
  max_safe_operating_point:
    value: 2.5
    unit: "A"
    consequence: "Electromagnetic coil demagnetization at 85°C Curie temperature, contact erosion due to 10^6 switching cycles at rated load, dielectric breakdown at 3.5 kV/mm electric field strength"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electromagnetic interference from 100 kV/m field strength"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Shielded enclosure with 40 dB attenuation at 1 GHz, ferrite cores on all signal lines"
  - node_2:
      trigger: "Mechanical vibration at 15 g RMS acceleration"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Spring-loaded contact design with 50 N preload force, vibration-damping mounting with 0.5 Hz natural frequency"
bom_nodes:
  input-terminals:
    type: "component"
    urn: "URN:CNFX:ME:INPUT_TERMINALS"
    interface_type: "physical-logic-coupled"
  output-relay-contacts:
    type: "component"
    urn: "URN:CNFX:ME:OUTPUT_RELAY_CONTACTS"
    interface_type: "physical-logic-coupled"
  monitoring-circuit-asicmicrocontroller:
    type: "component"
    urn: "URN:CNFX:ME:MONITORING_CIRCUIT_ASICMICROCONTROLLER"
    interface_type: "physical-logic-coupled"
  status-indicators-leds:
    type: "component"
    urn: "URN:CNFX:ME:STATUS_INDICATORS_LEDS"
    interface_type: "physical-logic-coupled"
  reset-buttoninput:
    type: "component"
    urn: "URN:CNFX:ME:RESET_BUTTONINPUT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/safety-relay-module.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "b3dd5b86049c9a28d66b0565890d406f5bdfe7d9f29be705f2fc907ed189cc20"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Safety Relay Module

## 1. Technical Definition
A specialized relay module designed to monitor safety devices and ensure machine operation stops when safety conditions are violated.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **24-240 VDC, 24-230 VAC, 50/60 Hz, 0.1-2.0 A contact rating**. Failure boundary: **Contact welding at 2.5 A continuous current, insulation breakdown at 500 VAC dielectric strength, coil burnout at 110% rated voltage for 1 hour**, Mechanism: **Electromagnetic coil demagnetization at 85°C Curie temperature, contact erosion due to 10^6 switching cycles at rated load, dielectric breakdown at 3.5 kV/mm electric field strength**.

### 2.1 Analytical Physics Model
Governed by the **Joule Heating & Thermal Resistance**:

> **Primary Equation**: $P = I^2 R = \frac{V^2}{R}$  
> **Engineering Impact**: Governs heating element sizing for shrink tunnels/sealers.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| I | Current | Engineering Constant |
| R | Resistance | Engineering Constant |
| V | Voltage | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electromagnetic interference from 100 kV/m field strength | 8 | False safety circuit de-energization | Shielded enclosure with 40 dB attenuation at 1 GHz, ferrite cores on all signal lines |
| Mechanical vibration at 15 g RMS acceleration | 8 | Contact bounce exceeding 5 ms duration | Spring-loaded contact design with 50 N preload force, vibration-damping mounting with 0.5 Hz natural frequency |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Emergency Stop Button**, **Safety Light Curtain**, **Safety Interlock Switch**  
**Downstream Applications**: Industrial Robot Cells, Packaging Machinery, Metal Forming Presses  

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

### Q: What safety devices can this relay module monitor?
**A**: This safety relay module is designed to monitor various safety devices including emergency stop buttons, safety gates, light curtains, and interlock switches, ensuring machine operation stops immediately when any safety condition is violated.

### Q: How does the monitoring circuit work in this safety relay?
**A**: The monitoring circuit utilizes an ASIC or microcontroller to continuously check safety device inputs. It performs cross-monitoring and redundancy checks to detect faults, ensuring reliable safety function execution and preventing unsafe machine operation.

### Q: What are the key materials used in this safety relay module's construction?
**A**: The module features an engineering plastic housing for durability and electrical insulation, copper alloy contacts for reliable switching, a printed circuit board for the monitoring electronics, and silicone sealing for protection against dust and moisture in industrial environments.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Safety Relay Module](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/safety-relay-module)**

### 🌐 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**: SAFETY_RELAY_MODULE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: ae323ff8
