Technical Specifications

• Part Number: 51304540‑100 (51304540100)

• Alternative ID: LCNE2 Paddle Board, LCN Extender, Fiber Optic Modem

• Module Type: LCN Fiber Optic Extender (LCNE2)

• System Compatibility: Honeywell TDC3000 / TPS (LCN network)

• Processor: On‑board 16‑bit microcontroller

• Memory: 128 KB RAM, 256 KB Flash (firmware)

• Network Interface: LCN (1 Mbps, electrical); Fiber Optic (multi‑mode, 850 nm)

• Fiber Type: Multi‑mode fiber (62.5/125 μm)

• Max Distance: 2 km (multi‑mode fiber)

• Power: 5 VDC ±5%, 500 mA (from backplane)

• Power Consumption: ~2.5 W

• Operating Temperature: 0°C to +60°C

• Storage Temperature: -40°C to +85°C

• Humidity: 5%–95% RH, non‑condensing

• Dimensions (H×W×D): 178 × 127 × 25 mm

• Weight: ~0.2 kg

• Coating: Standard (non‑conformal)

• Certifications: CE, RoHS compliant

• Revisions: Common Rev G (hardware/firmware)

• Status: Discontinued (replaced by XLCNE2)

Interface & Communication Configuration

• Host Interface: LCN electrical (BNC, 75Ω) – connects to local LCN network

• Fiber Interface: Dual SC/ST connectors (transmit/receive) for multi‑mode fiber

• Redundancy: Supports redundant fiber paths (A/B) for fault tolerance

• Diagnostics: 3 on‑board LEDs (Power, LCN Link, Fiber Status); remote alarm reporting via LCN

• Hot Swap: Yes (replace without system shutdown)

• Compatibility: Works with all TDC3000/TPS LCN nodes (HPM, APM, NIM, GUS)

Core Functions

1. LCN Network Extension: Converts electrical LCN signals to fiber optic for long‑distance transmission.

2. Signal Conversion: Electrical‑to‑optical (E/O) and optical‑to‑electrical (O/E) conversion.

3. Data Transmission: Transmits LCN data at 1 Mbps over fiber, extending network range up to 2 km.

4. Diagnostics & Monitoring: Monitors fiber link quality, signal strength, and module health; reports faults to system HMI.

5. Redundancy Support: Enables redundant fiber paths to ensure continuous communication in case of fiber breakage.

6. Isolation: Provides electrical isolation between local and remote LCN segments, reducing noise and interference.

Application Scenarios

• TDC3000/TPS DCS: Extending LCN to remote control rooms, field sites, or buildings.

• Large‑Scale Process Plants: Chemical, petrochemical, oil & gas, power generation, pulp & paper (wide‑area LCN coverage).

• Harsh Environments: Industrial areas with high electrical noise, EMI/RFI interference, or long cable runs.

• Legacy System Upgrades: Replacing aging LCNE1 modules or extending existing LCN networks without full system replacement.

Compatibility Note

• System Compatibility: Honeywell TDC3000/TPS (LCN network mandatory)

• Replacement: 51304540‑100 (LCNE2) → XLCNE2 (current replacement model)

• Firmware: Requires TDC3000 firmware Rev 300+ for full LCNE2 functionality

• Key Difference: LCNE2 (51304540‑100) = Multi‑mode fiber (2 km); LCNE1 = Single‑mode fiber (10 km)