51304718200
May 22, 2026

51304718200

51304718200 (51304718-200) is a 16‑channel high‑level analog input module for Honeywell TDC3000 / UCN DCS systems, the latest revision in the 51304718 series. It monitors process variables (pressure, flow, temperature) via 4–20 mA or 0–10 V signals, with enhanced galvanic isolation, higher accuracy, and advanced diagnostics for critical industrial applications.

Description

1. Product Overview

51304718200 (51304718-200) is a 16‑channel high‑level analog input module for Honeywell TDC3000 / UCN DCS systems, the latest revision in the 51304718 series. It monitors process variables (pressure, flow, temperature) via 4–20 mA or 0–10 V signals, with enhanced galvanic isolation, higher accuracy, and advanced diagnostics for critical industrial applications.

2. Part Number & Physical Details

  • Part Number: 51304718200 (51304718‑200)

  • Module Type: High Level Analog Input (UCN)

  • Applicable Systems: Honeywell TDC3000, Experion PKS, UCN DCS

  • Dimensions: 318 × 29 × 278 mm

  • Weight: Approx. 0.9–1.0 kg

  • Mounting: Standard UCN/APM rack slot

3. Technical Specifications

  • Input Channels: 16 isolated analog inputs

  • Signal Types (per channel, configurable):

    • Current: 4–20 mA (250 Ω shunt optional)

    • Voltage: 0–10 V, ±5 V, ±10 V

  • Isolation: Enhanced point‑to‑chassis, point‑to‑point galvanic isolation (250 Vrms)

  • Resolution: 16‑bit

  • Accuracy: ±0.05% FS (25 °C) (best‑in‑class for the series)

  • Power Supply: 24 VDC (backplane‑fed)

  • Power Consumption: ≤ 10 W

  • Operating Temperature: 0 °C to +60 °C

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

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

  • Certifications: CE, RoHS, UL, Honeywell EMC compliant

  • Coating: Conformal coated PCB for harsh environments

  • Diagnostics: Channel‑level fault detection (open/short circuit, overrange)

4. Key Features

  1. 16‑Channel Enhanced Isolation: Each channel is galvanically isolated from chassis and other channels, eliminating ground loops and protecting against common‑mode voltage.

  2. Software‑Configurable Ranges: Select mA/V ranges via Honeywell Process Control Designer (no hardware jumpers).

  3. High Noise Rejection: Upgraded EMI/RFI filtering for high‑noise industrial plants (power, chemical, oil & gas).

  4. Hot‑Swappable: Online replacement without system shutdown (minimizes downtime).

  5. Advanced LED Status Indicators:

    • PWR (Green): Steady = power normal; Flashing = power fault

    • RUN (Green): Flashing = module active; Steady = fault

    • FLT (Red): On = channel fault; Flashing = critical module error

  6. Channel‑Level Diagnostics: Detects open/short circuits, overrange, and sensor faults for quick troubleshooting.

5. Application Range

  • Target Systems: Honeywell TDC3000, Experion PKS, UCN DCS

  • Industries: Power generation, chemical, oil & gas, refining, water treatment, pharmaceuticals

  • Function: Monitor transmitters (pressure, flow, level, temperature) via 4–20 mA/0–10 V signals; ideal for critical control loops requiring high accuracy and reliability.

6. Installation Instructions

  1. ESD Protection: Wear anti‑static gloves/wristband before handling.

  2. Power Off: Power off the rack before insertion/removal.

  3. Insertion: Insert into standard UCN slot and secure with screws.

  4. Wiring: Use shielded twisted‑pair (STP) cable for field inputs (18–22 AWG).

  5. Cable Routing: Route cables away from high‑voltage lines (≥ 30 cm separation).

  6. Grounding: Ground shields at one end only (control room side) to avoid ground loops.

7. Maintenance Notes

  • Quarterly Inspection: Check connections for tightness; clean with dry cloth only.

  • Cleaning: Avoid harsh solvents (use isopropyl alcohol only if necessary).

  • Spare Parts: Use only genuine Honeywell spares for replacement.

  • Fault Troubleshooting (FLT LED On):

    1. Check field wiring for open/short circuits.

    2. Verify input range matches transmitter output.

    3. Check shunt resistor (250 Ω) for 4–20 mA signals.

    4. Replace module if fault persists.

8. Safety Requirements

  • Power Off: All wiring/maintenance must be done with power off.

  • Voltage Rating: Do not exceed 30 VDC on input channels.

  • Temperature: Do not operate above +60 °C or below 0 °C.

  • No Disassembly: Do not open or modify the module (voids warranty).

  • ESD Protection: Handle only in ESD‑protected areas.


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