Emerson KL3101X1-LS1 IS AI 4-20mA HART CHARM

Emerson KL3101X1-LS1 IS AI 4-20mA HART CHARM - Intrinsically Safe Analog Input for Hazardous Areas

The Emerson KL3101X1-LS1 Intrinsically Safe AI 4-20mA HART CHARM delivers certified explosion-proof analog input capabilities for DeltaV control systems operating in the most hazardous industrial environments. Engineered for Zone 0/Division 1 applications, this intrinsically safe module enables direct connection of field transmitters in explosive atmospheres without requiring safety barriers, significantly reducing installation complexity and system costs while maintaining the highest safety standards.

Core Technical Specifications

• Signal Range: 4-20mA with HART digital communication overlay
• Intrinsic Safety: Zone 0/Division 1 certified for direct hazardous area installation
• Field Circuit Power: +24V DC at 60mA for powering 2-wire transmitters
• CHARM Bus Power: +6.3V DC at 0A (powered from baseplate)
• HART Protocol: HART v7 pass-through for smart device communication
• Terminal Block Key: A1 configuration for proper keying
• Operating Temperature: -40°C to +70°C for extreme environments
• System Compatibility: DeltaV v11.3.1+ with intrinsically safe CHARM baseplate

Intrinsic Safety Certifications

Globally certified for the most stringent hazardous area classifications:

• ATEX Zone 0: II 1G Ex ia IIC T4 Ga for continuous explosive gas presence
• IECEx Zone 0: Ex ia IIC T4 Ga for international installations
• FM Division 1: Class I, Division 1, Groups A-D for North American applications
• CSA Division 1: Class I, Division 1, Groups A-D for Canadian installations
• Marine: DNV and ABS certified for offshore platforms and FPSO vessels

Hazardous Area Applications

Offshore Oil & Gas Production: Install transmitters directly in Zone 0 classified areas on offshore platforms including wellhead manifolds, separator vessels, and flare headers. Eliminates costly intrinsic safety barriers and associated wiring, reducing topside equipment weight and installation labor. HART diagnostics enable condition monitoring of critical safety instrumentation without platform visits.

Refinery Process Units: Deploy in Division 1 areas within crude distillation units, catalytic crackers, and alkylation plants where explosive vapor concentrations may exist during normal operations. Direct field mounting reduces signal degradation and eliminates potential failure points associated with barrier installations in remote marshalling cabinets.

Chemical Reactor Monitoring: Connect pressure, temperature, and level transmitters inside Zone 0 reactor containment areas for batch and continuous chemical processes. The intrinsically safe design ensures that even under fault conditions, insufficient energy exists to ignite explosive atmospheres, meeting stringent process safety management requirements.

LNG Liquefaction Facilities: Monitor cryogenic temperatures, pressures, and flows in Zone 0 areas surrounding LNG storage tanks, vaporizers, and loading arms. The wide operating temperature range (-40°C to +70°C) accommodates both cryogenic and ambient temperature installations without derating.

Pharmaceutical Solvent Handling: Interface with transmitters in Zone 0 areas where flammable solvents are processed, stored, or transferred. Intrinsic safety certification supports regulatory compliance for FDA-regulated facilities and enables validation documentation for GMP requirements.

Intrinsic Safety Architecture

Engineered to prevent ignition in explosive atmospheres:

• Energy Limitation: Circuit design limits voltage, current, and stored energy to levels incapable of igniting explosive gas mixtures even under fault conditions
• Barrier-Free Design: Eliminates need for external Zener barriers or galvanic isolators, reducing installation costs and potential failure points
• Certified Parameters: Maximum voltage (Vmax), current (Imax), power (Pmax), capacitance (Ci), and inductance (Li) certified for Zone 0/Div 1 applications
• Entity Concept: Compatible with entity-certified field devices for simplified loop calculations and installation verification

HART Communication in Hazardous Areas

Smart device integration without compromising intrinsic safety:

• HART v7 Pass-Through: Full access to primary variable, secondary variables, device diagnostics, and configuration parameters through AMS Device Manager
• Remote Calibration: Perform zero/span adjustments, damping configuration, and alarm setpoint changes from the control room without entering hazardous areas
• Predictive Diagnostics: Monitor transmitter health indicators including sensor drift, electronics temperature, power supply voltage, and communication errors
• Multi-Variable Data: Access temperature compensation, density calculations, and process alerts from multi-variable transmitters without additional I/O

Installation & Safety Compliance

Critical requirements for intrinsically safe installations:

• Baseplate Requirement: Must be installed on certified IS CHARM Baseplate (KL4210X1-BA1 or equivalent)
• Hot-Swap Restriction: Power must be turned OFF during insertion or removal - hot-swapping not permitted in hazardous areas
• Cable Requirements: Field wiring must meet entity parameters for capacitance and inductance per control drawings 12P6122 and 12P6123
• Documentation: Installation must follow ATEX/IECEx instructions (12P6523) and DeltaV S-series Hardware Installation Manual
• No User Servicing: Module contains no user-serviceable parts; disassembly voids certifications and is strictly prohibited

Environmental Ruggedness

Why Choose Industrial Control Hub?

Your trusted partner for intrinsically safe DeltaV automation components:

• ✓ Genuine Emerson OEM products with full certification documentation
• ✓ Expert support for hazardous area installations and entity calculations
• ✓ Complete inventory of IS CHARM modules and certified baseplates
• ✓ Fast global shipping with proper hazmat documentation
• ✓ Competitive pricing with volume discounts for project quantities
• ✓ Technical assistance for ATEX/IECEx compliance and installation verification

Related Intrinsically Safe CHARM Modules

Ordering Information & Required Components

• KL3101X1-LS1: IS AI 4-20mA HART CHARM (this product)
• KL4210X1-BA1: Intrinsically Safe CHARM Baseplate (required - sold separately)
• Control Drawings: 12P6122, 12P6123 for entity parameter verification
• Installation Instructions: 12P6523 ATEX/IECEx IS-CHARM Subsystem documentation

Technical Documentation & Compliance Support

Complete ATEX/IECEx installation instructions, entity parameter calculations, control drawings, and hazardous area classification documentation available upon request. Our technical team provides application engineering support for intrinsic safety loop design, cable capacitance/inductance calculations, and certification compliance verification for global hazardous area installations.

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