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HONEYWELL 51305517‑100

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HONEYWELL 51305517‑100
May 28, 2026

HONEYWELL 51305517‑100

The 51305517‑100 is an LCNP4 (Local Control Network Processor 4) Control Board for Honeywell TDC 3000 / TPS DCS systems. It serves as a core communication and control module on the LCN network, managing data exchange between the LCN and other system nodes (e.g., US/GUS operator stations, controllers). It ensures reliable real‑time communication and process control in large‑scale industrial plants.

Description

Product Description

The 51305517‑100 is an LCNP4 (Local Control Network Processor 4) Control Board for Honeywell TDC 3000 / TPS DCS systems. It serves as a core communication and control module on the LCN network, managing data exchange between the LCN and other system nodes (e.g., US/GUS operator stations, controllers). It ensures reliable real‑time communication and process control in large‑scale industrial plants.

Model Definition

  • 51305517‑100: Honeywell part number (‑100 = standard revision, non‑conformal coated).

  • Alias: LCNP4, LCNP4 Control Board.

  • Breakdown:

    • 5130: Honeywell DCS hardware series.

    • 5517: LCNP4 circuit design.

    • 100: Standard version (no conformal coating).

Technical Specifications

  • System Compatibility: Honeywell TDC 3000, TPS (Total Plant System) DCS.

  • Function: LCN network communication, data processing, node control.

  • Processor: High‑speed Honeywell proprietary CPU.

  • Memory: Onboard RAM/ROM for firmware and data buffering.

  • Power Consumption: 10 W typical.

  • Operating Temperature: −20 °C to +70 °C.

  • Storage Temperature: −40 °C to +85 °C.

  • Humidity: 5%–95% RH, non‑condensing.

  • Weight: Approx. 0.6 kg.

  • Certifications: CE, UL, CSA, RoHS compliant.

Interface & Communication

  • LCN Port: Connects to the LCN (Local Control Network) for high‑speed data transmission.

  • I/O Bus: Interfaces with controllers and I/O modules via Honeywell proprietary bus.

  • Diagnostics: LED indicators for power, run, fault, and communication status; supports remote diagnostics via the engineer station.

  • Redundancy: Supports dual LCNP4 redundancy for high‑availability systems.

Core Functions

  1. LCN Network Management: Manages LCN communication, routing data between operator stations, controllers, and other LCN nodes.

  2. Real‑Time Data Processing: Processes process data, alarms, and control commands with low latency.

  3. System Synchronization: Ensures time synchronization across all LCN nodes.

  4. Fault Tolerance: Detects network and hardware faults; switches to redundant module automatically.

  5. Firmware Execution: Runs embedded firmware for LCN protocol and control logic.

Application Scenarios

  • Process Industries: Oil & gas, chemical, power generation, petrochemical, pulp & paper.

  • Large‑Scale DCS: TDC 3000 / TPS systems requiring high‑reliability LCN communication.

  • Critical Control Loops: Plants with 24/7 operation and zero downtime requirements.

Usage & Maintenance

Usage

  1. Installation: Insert into dedicated LCNP4 slot in the DCS control cabinet; secure with screws.

  2. Power: 24 VDC ±10%; verify power LED is on and no fault LEDs are lit.

  3. Configuration: Set LCN address and redundancy parameters via the engineer station.

  4. Redundancy Setup: Install two LCNP4 modules for redundant operation; configure failover logic.

Maintenance

  • Environment: Keep cabinet clean, dry, and within −20 °C to +70 °C.

  • Inspection: Monthly check of LED status; quarterly inspection of connections and module integrity.

  • Cleaning: Use dry, soft cloth to clean dust; avoid liquid cleaners.

  • Spare Parts: Store spares in anti‑static packaging in a cool, dry place.

  • Repair: Do not disassemble; return faulty modules to Honeywell or authorized service centers.


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