---
title: "Sequence Controller"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:SEQUENCE_CONTROLLER"
  data_integrity_hash: "d88de7efbaa30aaad6f6bfe1149e389b"
  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:SEQUENCE_CONTROLLER"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/sequence-controller.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/sequence-controller"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "24-28 VDC, 0-60°C ambient temperature, 10-1000 Hz vibration tolerance"
    unit: "steps"
engineering_limits:
  max_safe_operating_point:
    value: 18
    unit: "VDC"
    consequence: "Semiconductor junction thermal runaway at &gt;125°C junction temperature, electrolytic capacitor electrolyte evaporation at &gt;105°C case temperature, solder joint fatigue failure at &gt;10^7 vibration cycles"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Power supply voltage transient exceeding 40 VDC for &gt;10 μs"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "TVS diode clamping at 36 VDC with 1.5 kW peak pulse power rating"
  - node_2:
      trigger: "Condensation-induced dendritic growth between adjacent 0.5 mm PCB traces"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Conformal coating with IPC-CC-830B Class 3 qualification, minimum 0.2 mm coating thickness"
bom_nodes:
  microprocessor:
    type: "part"
    urn: "URN:CNFX:ME:MICROPROCESSOR"
    interface_type: "physical-logic-coupled"
  memory-module:
    type: "part"
    urn: "URN:CNFX:ME:MEMORY_MODULE"
    interface_type: "physical-logic-coupled"
  io-interface:
    type: "part"
    urn: "URN:CNFX:ME:IO_INTERFACE"
    interface_type: "physical-logic-coupled"
  power-supply-unit:
    type: "device"
    urn: "URN:CNFX:ME:POWER_SUPPLY_UNIT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "CE MARKING (EU MACHINERY DIRECTIVE 2006/42/EC)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/sequence-controller.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "fef431fdd8dd90c1ed15f162388a5bf7ede0e1d84c2b263afba3b994058d2658"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Sequence Controller

## 1. Technical Definition
A control unit that manages the execution order and timing of operations within a recovery sequencer system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **24-28 VDC, 0-60°C ambient temperature, 10-1000 Hz vibration tolerance**. Failure boundary: **Voltage drop below 18 VDC sustained for &gt;50 ms, ambient temperature exceeding 85°C, vibration amplitude &gt;2.5 g at resonant frequency**, Mechanism: **Semiconductor junction thermal runaway at &gt;125°C junction temperature, electrolytic capacitor electrolyte evaporation at &gt;105°C case temperature, solder joint fatigue failure at &gt;10^7 vibration cycles**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Power supply voltage transient exceeding 40 VDC for &gt;10 μs | 8 | Microcontroller latch-up and permanent gate oxide breakdown | TVS diode clamping at 36 VDC with 1.5 kW peak pulse power rating |
| Condensation-induced dendritic growth between adjacent 0.5 mm PCB traces | 8 | Short-circuit current &gt;2 A causing trace delamination | Conformal coating with IPC-CC-830B Class 3 qualification, minimum 0.2 mm coating thickness |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Microprocessor](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/microprocessor.md) `(Standalone System)`
- [Memory Module](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/memory-module.md) `(Standalone System)`
- [I/O Interface](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/io-interface.md) `(Standalone System)`
- [Power Supply Unit](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/power-supply-unit.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Programmable Logic Controller (PLC)**, **Human-Machine Interface (HMI) Panel**, **Industrial Power Supply Unit**  
**Downstream Applications**: Automated Assembly Lines, Packaging Machinery Systems, Material Handling Equipment  

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

### Q: What is the primary function of this sequence controller?
**A**: This sequence controller manages the execution order and precise timing of operations within recovery sequencer systems in machinery and equipment manufacturing, ensuring coordinated process flow.

### Q: What components are included in the BOM for this controller?
**A**: The bill of materials includes a microprocessor for processing, memory module for program storage, I/O interface for signal communication, and power supply unit for stable operation.

### Q: How does this controller integrate with existing machinery systems?
**A**: The controller connects via its I/O interface to machinery sensors and actuators, using programmable sequences to coordinate recovery operations while housed in a durable plastic or metal enclosure.

## 6. Manufacturing Compliance
- CE MARKING (EU MACHINERY DIRECTIVE 2006/42/EC)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Sequence Controller](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/sequence-controller)**

### 🌐 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**: SEQUENCE_CONTROLLER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: bc50b8d1
