Emerson SE4304T01 Analog Output 4-20mA HART CHARM

Emerson SE4304T01 Analog Output 4-20mA HART CHARM - Precision Control Signal Generation

The Emerson SE4304T01 (KL3022X1-BA1) Analog Output HART CHARM delivers high-precision 4-20mA signal generation with integrated HART communication for DeltaV distributed control systems. This low-voltage instrumentation module provides reliable analog control output for valve positioners, variable speed drives, and other field devices requiring industry-standard current loop signals with digital overlay communication.

Core Technical Specifications

• Output Signal: 4-20mA (0-20mA configurable) with HART v7 protocol
• Resolution: 16-bit D/A converter for precise signal generation
• Accuracy: ±0.25% of span (0-60°C), ±0.5% of span (-40-70°C)
• Full Signal Range: 0 to 24mA with 24mA current limiting protection
• Field Power Supply: 20mA at 15V DC into 750Ω load
• HART Support: HART v7 pass-through for AMS, device status available to control
• Power Consumption: 42mA max @ 24V DC
• Operating Range: -40°C to 70°C ambient temperature
• System Compatibility: DeltaV v11.3.1 or later with SD Plus, SX, SQ, MQ, MX, PK controllers

Hazardous Area Certifications

Certified for safe operation in classified industrial environments:

• FM/CSA: Class I, Div 2, Groups A-D, T4; Class I, Zone 2, AEx/Ex ec [ic] IIC Gc T4
• ATEX: II 3G Ex nA [nL] IIC Gc; II 3G Ex ec [ic] IIC Gc (FM19ATEX0173U)
• IECEx: Ex ec [ic] IIC Gc (IECEx FMG 19.0019U)
• Marine: ABS Certificate of Design Assessment, DNV Marine Certificate
• Cybersecurity: Achilles CIOC Level 1 (v13.3.1), CIOC2 Level 2 (v14.3)

Industrial Applications & Control Solutions

The SE4304T01 CHARM enables precise analog control across diverse process automation scenarios:

Valve Positioning & Flow Control: Drive smart positioners on control valves, regulating valves, and throttling devices with 4-20mA signals while simultaneously accessing HART diagnostics for valve health monitoring, travel limits, and calibration status.

Variable Speed Drive Control: Provide speed reference signals to VFDs controlling pumps, fans, compressors, and agitators, enabling precise flow and pressure regulation in chemical processing, water treatment, and HVAC systems.

Analytical Instrument Integration: Interface with gas chromatographs, pH analyzers, conductivity meters, and spectrophotometers requiring analog setpoint signals for sample flow control, reagent dosing, or calibration gas switching.

Temperature & Pressure Regulation: Control electric heaters, cooling valves, and pressure regulators in reactor systems, distillation columns, heat exchangers, and environmental chambers requiring tight setpoint tracking.

Advanced HART Communication Features

Integrated HART v7 protocol provides comprehensive device intelligence:

• Bidirectional Communication: Simultaneous 4-20mA analog signal and digital HART data transmission on same two-wire loop
• AMS Integration: Full HART pass-through enables asset management via Emerson AMS Device Manager for configuration, calibration, and diagnostics
• Device Status Monitoring: Access field device health, configuration parameters, and diagnostic alerts directly from DeltaV control strategies
• Fast Update Rates: HART data refresh faster than 1 second (dependent on communication loading and device type)
• Multi-Drop Capability: Support for HART multi-drop mode when analog signal not required

Diagnostic & Protection Features

Engineered for operational reliability and fault detection:

• Dual LED Indicators: Bi-color Power/Integrity LED (Normal/Configuration/Wiring Fault/Internal Fault) and Yellow Field Signal LED (circuit energized status)
• Current Limiting: 24mA protection circuit prevents field device damage from overcurrent conditions
• Field Wiring Disconnect: Acts as circuit protection device with integrated disconnect capability
• Conformal Coating: ISA-S71.04-1985 Class G3 protection against airborne contaminants
• No Calibration Required: Factory-calibrated for life, eliminating maintenance downtime

Installation & System Integration

Designed for efficient deployment in DeltaV Electronic Marshalling architecture:

• Mounts on standard CHARM Baseplate with DIN rail installation
• Compatible with SE4501 Standard Terminal Block or SE4502 Fused-Injected-Power Terminal Block
• 2 or 4 screw cage terminals (22-14 AWG wire capacity)
• Automatic keying prevents incorrect CHARM type insertion
• IP20 protection rating for control room environments
• Hot-swap restrictions for hazardous area compliance

Performance Specifications Summary

Why Choose Industrial Control Hub?

Your specialized source for Emerson DeltaV automation components:

• ✓ Genuine Emerson OEM products with full manufacturer traceability
• ✓ Expert technical support from DCS and HART protocol specialists
• ✓ Extensive inventory of current and legacy DeltaV CHARM modules
• ✓ Fast international shipping to US, UK, EU, and Asia-Pacific regions
• ✓ Competitive pricing with volume discounts for system integrators

Related DeltaV I/O Modules

Ordering Information

• SE4304T01 (KL3022X1-BA1): Analog Output 4-20mA HART CHARM (this product)
• SE4501: Standard CHARM Terminal Block
• SE4502: Fused-Injected-Power Terminal Block

Technical Documentation & Engineering Support

Complete installation instructions, control drawings, and hazardous area documentation available upon request. Our engineering team provides comprehensive support for system design, HART configuration, loop calculations, and integration with AMS Device Manager.

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