HONEYWELL 51304920-100(51304920100)
May 28, 2026

HONEYWELL 51304920-100(51304920100)

The 51304920-100 is a HART analog output module for Honeywell TDC 3000/TPS DCS systems. It converts digital control signals from the controller into standard analog signals (4–20 mA) and supports HART communication for smart field devices. It provides high-precision signal output, electrical isolation, and fault diagnosis, designed for closed-loop process control in industrial environments.

Description

Product Description

The 51304920-100 is a HART analog output module for Honeywell TDC 3000/TPS DCS systems. It converts digital control signals from the controller into standard analog signals (4–20 mA) and supports HART communication for smart field devices. It provides high-precision signal output, electrical isolation, and fault diagnosis, designed for closed-loop process control in industrial environments.

Model Definition

  • 51304920-100: Honeywell part number for HART analog output module.

  • 5130: Honeywell DCS hardware series code.

  • 4920: Circuit design code for HART analog output boards.

  • 100: Standard version (single-channel or multi-channel configuration).

  • Alias: HDDT module, HART AO board, TDC3000 analog output card.

Technical Specifications

  • System Compatibility: Honeywell TDC 3000, TPS, Experion PKS.

  • Output Signals: 4–20 mA DC analog, HART Bell 202 FSK (1200 Hz/2200 Hz).

  • Power Supply: 24 VDC from backplane; current-loop powered (no external power for HART).

  • Operating Temperature: -40 °C to +70 °C.

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

  • Humidity: 5%–95% non-condensing.

  • Accuracy: ±0.05% of full scale.

  • Isolation: 2500 Vrms between field and controller.

  • Certifications: CE, UL, CSA, RoHS.

  • Weight: Approx. 0.4 kg.

Interface and Communication Configuration

  • Field Interface: Screw terminals for 4–20 mA analog output and HART signal.

  • Controller Interface: Goldfinger edge connector for dedicated I/O slot.

  • Communication Protocol: Honeywell proprietary + HART (supports remote parameterization).

  • Indicators: Power, Run, Fault, HART Active LEDs.

  • Isolation: Magnetic isolation for HART communication to suppress common-mode noise.

Core Functions

  1. Digital-to-Analog Conversion: Converts controller digital values to 4–20 mA for valves, actuators, and regulators.

  2. HART Communication: Enables bidirectional data exchange with HART-compatible field devices for diagnostics and configuration.

  3. Electrical Isolation: Protects controller from field-side overvoltage and noise.

  4. Signal Conditioning: Ensures stable, accurate output with impedance matching.

  5. Fault Detection: Monitors open/short circuits and HART communication errors, with alarm reporting.

  6. Data Retention: Preserves output settings on power failure for bumpless restart.

Application Scenarios

Widely used in oil/gas, chemical, petrochemical, power, and pharmaceutical industries. Installed in TDC 3000/TPS DCS I/O cabinets for analog output control loops. Ideal for regulating control valves, motor speed controllers, and HART-enabled actuators. Suitable for high-reliability process control rooms and field junction boxes.

Usage and Maintenance Instructions

Usage

Insert the module into the dedicated I/O slot and secure screws. Connect field wiring to the screw terminals, observing polarity. Power on the system and verify LED status (Power/Run on, Fault off). Configure output ranges and HART parameters via the DCS engineer station. Test loop response and HART communication before commissioning.

Maintenance

Keep the environment clean, dry, and ventilated. Check LED status monthly and terminal tightness quarterly. Use a dry cloth to clean dust; avoid liquid cleaners. Store spares in anti-static bags in a cool, dry place. Do not disassemble; all work must be done by qualified personnel. Replace the module if Fault LED persists after troubleshooting.


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