The 51304335-225 (MU/MC-TAOX52) is a high-precision Field Termination Assembly (FTA) designed for the Honeywell TDC 3000 and Experion PKS control systems. This module serves as a robust interface between the system's control processors and field-mounted actuators, translating digital commands into accurate 4-20 mA analog signals.

Engineered for reliability in volatile industrial settings, the 51304335-225 is certified for use in Division 2 hazardous locations. Its non-incendive output circuitry ensures that electrical energy levels remain below the point of ignition, allowing for safe operation without the need for traditional explosion-proof enclosures or intrinsic safety barriers in specific zones.

Technical Specifications

• Processor Compatibility: Optimized for Honeywell High-Performance Process Manager (HPM) and APM controllers

• Signal Output Range: 4 to 20 mA DC per circuit

• Open Circuit Voltage (Max): 26V DC

• Short Circuit Current (Max): 40 mA

• Hazardous Area Rating: Class I, Division 2, Groups A, B, C, D (Non-incendive)

• Cable Capacitance (Max Allowed): 0.4 µF

• Cable Inductance (Max Allowed): 35 mH

• Total System Capacitance (Cable + Load): 0.4 µF

• Total System Inductance (Cable + Load): 150 mH

• Module Form Factor: standard FTA mounting with screw terminal connectors

• Unit Weight: 2.0 kg (2000g)

• Manufacturing Origin: USA

Application Scenarios

The 51304335-225 is typically deployed in heavy industrial environments where precise control over final control elements is required. It is commonly found in:

• Refining and Petrochemical: Controlling valve positioners and variable frequency drives in hazardous zones.

• Chemical Processing: Managing precise dosing pumps and flow control valves.

• Offshore Platforms: Operating critical instrumentation where space is limited and safety ratings are mandatory.