---
title: "Display/Interface"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:DISPLAYINTERFACE"
  data_integrity_hash: "66b5016f1753af0f579b21c9c942796a"
  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:DISPLAYINTERFACE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/displayinterface.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/displayinterface"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-100°C with ±0.5°C accuracy at 25°C ambient"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 20
    unit: "°C"
    consequence: "Thermally induced differential expansion between indium tin oxide (ITO) conductive layer (CTE 8.5×10⁻⁶/K) and glass substrate (CTE 9×10⁻⁶/K) causing microcrack propagation at 85°C, liquid crystal viscosity change exceeding 100 mPa·s at -20°C"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrostatic discharge (ESD) exceeding 8 kV HBM on touch interface lines"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated TVS diodes with 5 pF capacitance and 15 kV IEC 61000-4-2 protection on all I/O lines"
  - node_2:
      trigger: "Prolonged UV exposure at 365 nm wavelength exceeding 100 W/m² intensity"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "ITO-coated borosilicate glass filter with 99.5% UV-A rejection and anti-glare hard coating (9H pencil hardness)"
bom_nodes:
  display-screen:
    type: "part"
    urn: "URN:CNFX:ME:DISPLAY_SCREEN"
    interface_type: "physical-logic-coupled"
  control-buttonsknobs:
    type: "component"
    urn: "URN:CNFX:ME:CONTROL_BUTTONSKNOBS"
    interface_type: "physical-logic-coupled"
  touch-panel:
    type: "component"
    urn: "URN:CNFX:ME:TOUCH_PANEL"
    interface_type: "physical-logic-coupled"
  bezelhousing:
    type: "component"
    urn: "URN:CNFX:ME:BEZELHOUSING"
    interface_type: "physical-logic-coupled"
  circuit-board:
    type: "part"
    urn: "URN:CNFX:ME:CIRCUIT_BOARD"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ANSI/HFES 100-2007: HUMAN FACTORS ENGINEERING OF COMPUTER WORKSTATIONS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING (EU DIRECTIVE 2014/35/EU): LOW VOLTAGE DIRECTIVE FOR ELECTRICAL EQUIPMENT SAFETY"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/displayinterface.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "d46eb568227131d267b0116f6b8fe08d3d904a88eb0f5dc9c4e6eff03ca2b840"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Display/Interface

## 1. Technical Definition
Human-machine interface component for monitoring and controlling temperature parameters

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-100°C with ±0.5°C accuracy at 25°C ambient**. Failure boundary: **LCD liquid crystal phase transition at -20°C (freezing) and 85°C (clearing point), touch sensor failure at 125°C glass transition temperature**, Mechanism: **Thermally induced differential expansion between indium tin oxide (ITO) conductive layer (CTE 8.5×10⁻⁶/K) and glass substrate (CTE 9×10⁻⁶/K) causing microcrack propagation at 85°C, liquid crystal viscosity change exceeding 100 mPa·s at -20°C**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electrostatic discharge (ESD) exceeding 8 kV HBM on touch interface lines | 8 | Gate oxide breakdown in capacitive touch controller IC (SiO₂ dielectric strength 10 MV/cm exceeded) | Integrated TVS diodes with 5 pF capacitance and 15 kV IEC 61000-4-2 protection on all I/O lines |
| Prolonged UV exposure at 365 nm wavelength exceeding 100 W/m² intensity | 8 | Polymer dispersed liquid crystal (PDLC) layer photodegradation reducing contrast ratio below 100:1 | ITO-coated borosilicate glass filter with 99.5% UV-A rejection and anti-glare hard coating (9H pencil hardness) |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Display Screen](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/display-screen.md) `(Standalone System)`
- [Circuit Board](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/circuit-board.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Temperature Sensor Array**, **Programmable Logic Controller (PLC)**, **Industrial Power Supply Unit**  
**Downstream Applications**: Industrial Ovens, Heat Treatment Furnaces, Plastic Extrusion Machines  

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

### Q: What materials make this HMI display suitable for industrial environments?
**A**: This HMI display features a polycarbonate and glass screen for impact resistance, aluminum alloy housing for durability, and electronic components rated for industrial temperature ranges and vibration.

### Q: How does this interface help with temperature parameter control in machinery?
**A**: The display provides real-time temperature monitoring with visual indicators, touch/button controls for setting parameters, and integration with machinery control systems for automated temperature regulation.

### Q: What components are included in the HMI display assembly?
**A**: The complete assembly includes a display screen, control buttons/knobs, touch panel interface, bezel/housing, and circuit board with connectivity for machinery integration.

## 6. Manufacturing Compliance
- ANSI/HFES 100-2007: HUMAN FACTORS ENGINEERING OF COMPUTER WORKSTATIONS
- CE MARKING (EU DIRECTIVE 2014/35/EU): LOW VOLTAGE DIRECTIVE FOR ELECTRICAL EQUIPMENT SAFETY

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Display/Interface](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/displayinterface)**

### 🌐 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**: DISPLAYINTERFACE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 29d580e2
