---
title: "Display/Indicator"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:DISPLAYINDICATOR"
  data_integrity_hash: "fdefc962e907c51965e6c0368f64397a"
  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:DISPLAYINDICATOR"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/displayindicator.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/displayindicator"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-9999 RPM with ±0.5% accuracy at 25°C ambient temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 20
    unit: "°C"
    consequence: "LCD liquid crystal alignment disruption below -20°C glass transition temperature, LED phosphor degradation exceeding Arrhenius acceleration factor at 85°C junction temperature"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrostatic discharge exceeding 8 kV human body model"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated ESD protection diodes with 15 kV IEC 61000-4-2 rating on all signal lines"
  - node_2:
      trigger: "PWM dimming circuit operating at 120 Hz causing 0.3% flicker index"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Constant current LED driver with 1 kHz minimum switching frequency and &lt;0.01% flicker index"
bom_nodes:
  display-screen:
    type: "part"
    urn: "URN:CNFX:ME:DISPLAY_SCREEN"
    interface_type: "physical-logic-coupled"
  backlight-unit:
    type: "part"
    urn: "URN:CNFX:ME:BACKLIGHT_UNIT"
    interface_type: "physical-logic-coupled"
  control-circuit-board:
    type: "part"
    urn: "URN:CNFX:ME:CONTROL_CIRCUIT_BOARD"
    interface_type: "physical-logic-coupled"
  mounting-frame:
    type: "part"
    urn: "URN:CNFX:ME:MOUNTING_FRAME"
    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 SAFETY"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/displayindicator.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "eb4bf6595594b4c3670e06115c7bc6199a2f54dfc2130ab0d7fb195ebb71255d"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Display/Indicator

## 1. Technical Definition
Visual interface component that presents speed information and operational status within a speed control system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-9999 RPM with ±0.5% accuracy at 25°C ambient temperature**. Failure boundary: **LCD display fails at -20°C or +85°C ambient temperature, LED backlight fails at 100,000 hours continuous operation**, Mechanism: **LCD liquid crystal alignment disruption below -20°C glass transition temperature, LED phosphor degradation exceeding Arrhenius acceleration factor at 85°C junction temperature**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electrostatic discharge exceeding 8 kV human body model | 8 | Display driver IC latch-up causing permanent segment failure | Integrated ESD protection diodes with 15 kV IEC 61000-4-2 rating on all signal lines |
| PWM dimming circuit operating at 120 Hz causing 0.3% flicker index | 8 | Operator visual fatigue and misreading of speed values | Constant current LED driver with 1 kHz minimum switching frequency and &lt;0.01% flicker index |

## 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)`
- [Backlight Unit](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/backlight-unit.md) `(Standalone System)`
- [Control Circuit Board](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/control-circuit-board.md) `(Standalone System)`
- [Mounting Frame](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/mounting-frame.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Programmable Logic Controller (PLC)**, **Variable Frequency Drive (VFD)**, **Industrial Power Supply Unit**  
**Downstream Applications**: Conveyor Systems, Packaging Machinery, CNC Machine Tools  

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

### Q: What materials are used in this display indicator for durability?
**A**: This display indicator is constructed with polycarbonate for impact resistance, aluminum alloy for structural strength, and glass for clear visibility, ensuring reliability in industrial machinery environments.

### Q: How does this display indicator integrate with speed control systems?
**A**: It connects via the control circuit board to provide real-time speed information and operational status, serving as a visual interface for monitoring and adjusting machinery performance.

### Q: What are the key components in the BOM for this display indicator?
**A**: The Bill of Materials includes a display screen for data presentation, a backlight unit for visibility, a control circuit board for integration, and a mounting frame for secure installation in machinery.

## 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 SAFETY

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

### 🌐 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**: DISPLAYINDICATOR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: eb78a062
