
Product Description
Emerson KL3021X1-BA1 AI 4-20mA HART CHARM - High-Precision Analog Input for DeltaV Control Systems
The Emerson KL3021X1-BA1 (SE4303T01) AI 4-20mA HART CHARM represents a cornerstone solution for industrial process measurement in DeltaV distributed control environments. This analog input module combines exceptional measurement accuracy with HART digital communication capabilities, enabling seamless integration of smart field transmitters while maintaining backward compatibility with conventional 4-20mA devices.
Key Technical Specifications
- Signal Range: 4-20mA nominal (0-24mA full range), 0-20mA optional
- Measurement Accuracy: 0.1% of span (0-60°C), 0.25% of span (-40 to 70°C)
- Resolution: 16-bit A/D converter for precise signal digitization
- Input Impedance: 250Ω ±1% for optimal signal integrity
- Repeatability: 0.05% of span for consistent measurements
- HART Communication: HART v7 pass-through with AMS integration
- Field Power: 15.0V at 20mA for 2-wire transmitters
- System Compatibility: DeltaV v11.3.1 or later (SD Plus, SX, SQ, MQ, MX, PK controllers)
Global Safety Certifications
Certified for deployment in classified industrial environments worldwide:
- FM/CSA North America: Class I, Div 2, Groups A-D, T4; Class I, Zone 2, AEx/Ex ec [ic] IIC Gc T4
- ATEX Europe: II 3G Ex nA [nL] IIC Gc; II 3G Ex ec [ic] IIC Gc
- IECEx International: Ex ec [ic] IIC Gc (IECEx FMG 19.0019U)
- UKEX: FM21UKEX0017U for UK market compliance
- Marine: ABS and DNV certified for offshore and maritime applications
Industrial Process Applications
The KL3021X1-BA1 delivers reliable measurement across critical process control scenarios:
Pressure Measurement & Control: Interface with smart differential pressure transmitters for flow measurement in pipelines, level monitoring in vessels, and filter differential pressure tracking. HART communication enables remote diagnostics and configuration without field visits.
Flow Metering Systems: Connect to electromagnetic, vortex, and Coriolis flowmeters for precise custody transfer, batch control, and process optimization. The 16-bit resolution captures subtle flow variations critical for recipe management and quality control.
Level Measurement: Integrate with radar, ultrasonic, and guided wave radar transmitters for tank farm management, reactor level control, and separator interface detection. Multi-variable HART data provides density compensation and advanced diagnostics.
Analytical Instrumentation: Acquire signals from pH meters, conductivity analyzers, dissolved oxygen sensors, and turbidity meters in water treatment, pharmaceutical, and food & beverage applications requiring validated measurement chains.
Advanced HART Communication Features
Unlock the full potential of smart field instrumentation:
- HART v7 Pass-Through: Access primary variable, secondary variables, device status, and diagnostic information through AMS Device Manager
- Fast Update Rates: HART data refreshes faster than 1 second (dependent on communication loading and device type)
- Device Diagnostics: Monitor transmitter health, calibration status, and process alerts without interrupting control loops
- Remote Configuration: Adjust transmitter parameters, perform zero/span calibration, and configure damping from the control room
- Multi-Variable Support: Simultaneously access temperature, pressure, and calculated values from multi-variable transmitters
Flexible Transmitter Connectivity
Supports all common industrial transmitter wiring configurations:
- 2-Wire Loop-Powered: Standard configuration with 15V field power at 20mA for conventional transmitters
- 3-Wire Externally Powered: Compatible with SE4511 fused injected power terminal block for high-power devices
- 4-Wire Isolated: Supports transmitters with separate power and signal circuits for maximum noise immunity
Diagnostic & Protection Features
Built-in safeguards ensure measurement integrity and system reliability:
- Current Limiting: 30mA protection circuit prevents damage from wiring faults or transmitter failures
- Field Wiring Disconnect: Enables safe maintenance without de-energizing the entire I/O system
- LED Status Indicators: Bi-color Power/Integrity LED provides instant visual diagnostics (Normal, Configuration, Wiring Fault, Internal Fault)
- Surge Protection: EMC-compliant protection meets EN 61326-1 industrial electromagnetic compatibility standards
Installation & System Integration
Engineered for efficient deployment in DeltaV I/O architectures:
- Mounts on standard CHARM Baseplate with DIN rail installation
- Compatible with SE4501 standard terminal block or SE4511 fused injected power terminal block
- Self-keying mechanism prevents incorrect CHARM insertion
- Factory calibrated - no field calibration required
- IP20 protection rating for control room environments
- Operating temperature: -40°C to 70°C (-40°F to 158°F)
Power Consumption & Thermal Management
| Configuration | CHARM Power | Heat Dissipation |
|---|---|---|
| 2-Wire Loop-Powered | 36mA max @ 24V DC | 0.33W |
| 3/4-Wire Externally Powered | 12mA max @ 24V DC | 0.33W |
Why Choose Industrial Control Hub?
Your trusted source for genuine Emerson DeltaV automation components:
- ✓ 100% authentic OEM products with full manufacturer traceability
- ✓ Expert DCS technical support from certified automation specialists
- ✓ Extensive inventory of current production and legacy spare parts
- ✓ Expedited global shipping to US, UK, EU, and Asia-Pacific markets
- ✓ Competitive pricing with volume discounts for project quantities
- ✓ Complete documentation and configuration assistance
Complementary DeltaV CHARM Modules
| Product Model | Description | Link |
|---|---|---|
| SE4303T01 | Standard AI 4-20mA HART CHARM - identical functionality, alternative part number | View Product |
| SE4307T01 | IS AI 4-20mA HART CHARM for intrinsically safe Zone 0/Div 1 applications | View Product |
| SE4304T01 | AO 4-20mA HART CHARM for analog output control with HART communication | View Product |
Ordering Information & Accessories
- KL3021X1-BA1 / SE4303T01: AI 4-20mA HART CHARM (this product)
- SE4501: Standard CHARM Terminal Block (4 screw terminals)
- SE4511: 3-Wire AI Fused Injected Power Terminal Block
- SE4608T01: CHARM Baseplate Assembly for DIN rail mounting
Technical Documentation & Engineering Support
Complete installation manuals, wiring diagrams, control drawings, and HART device integration guides available upon request. Our application engineering team provides system design consultation, parameter optimization, and troubleshooting assistance for complex DeltaV implementations.
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