Emerson KL3004X1-BA1 DO 24VDC Isolated CHARM

Emerson KL3004X1-BA1 DO 24VDC Isolated CHARM - Galvanically Isolated Digital Output for DeltaV

The Emerson KL3004X1-BA1 (SE4302T02) DO 24VDC Isolated CHARM delivers robust digital output control for DeltaV distributed control systems, featuring channel-to-channel galvanic isolation for maximum electrical protection. Engineered for demanding industrial environments, this CHARM module provides reliable switching of solenoid valves, motor starters, and actuators while protecting the DCS from field-side electrical faults and ground loops.

Core Technical Specifications

• Output Type: 24VDC digital output, isolated per channel
• Output Current: Up to 1A per channel (dependent on terminal block configuration)
• Isolation: Galvanic isolation channel-to-channel and system-to-field (typically 250V RMS)
• CHARM Bus Power: 6.3VDC at 32mA (shared across baseplate)
• Field Circuit Power: 24VDC at 10mA
• Terminal Block Key Position: 5C for proper CHARM identification
• Operating Temperature: -40°C to +70°C (-40°F to 158°F)
• System Compatibility: DeltaV v11 or later with Electronic Marshalling support

Global Safety & Environmental Certifications

Designed and certified for deployment in harsh industrial environments:

• Protection Rating: IP20 when installed on CHARM baseplate
• Airborne Contaminants: ISA-S71.04-1985 Class G3 compliant with conformal coating
• Shock Resistance: 10g, ½ sinewave for 11ms
• Vibration Tolerance: 1mm peak-to-peak (2-13.2Hz); 0.7g (13.2-150Hz)
• Humidity Range: 5% to 95% RH (non-condensing)
• Storage Temperature: -40°C to +85°C

Industrial Control Applications

The KL3004X1-BA1 isolated digital output CHARM excels in critical process control scenarios requiring electrical isolation:

Valve Actuation & Sequencing: Control pneumatic solenoid valves in batch processes, emergency shutdown systems, and multi-stage separation operations. Galvanic isolation prevents ground loops when controlling valves distributed across large process units with varying ground potentials, ensuring reliable operation in refineries, chemical plants, and offshore platforms.

Motor Starter Interfacing: Provide isolated start/stop signals to motor control centers, VFD enable inputs, and pump sequencing logic. The isolation barrier protects the DCS from electrical noise generated by motor switching, contactors, and power electronics, critical in high-power industrial environments.

Safety Instrumented Systems (SIS): Interface with safety PLCs, emergency shutdown valves, and fire & gas detection systems. Channel-to-channel isolation ensures that a fault on one output circuit cannot propagate to adjacent safety-critical outputs, maintaining SIL-rated system integrity.

Alarm Annunciation & Signaling: Drive industrial beacons, horns, and stack lights for process alarms, equipment status indication, and operator notification systems. Isolated outputs eliminate the risk of DCS damage from lightning strikes or electrical surges on external alarm circuits.

Galvanic Isolation Technology

Advanced isolation architecture provides multiple layers of electrical protection:

Channel-to-Channel Isolation: Each output channel features independent galvanic isolation, preventing electrical faults on one circuit from affecting adjacent outputs. This architecture is essential for safety-critical applications where output independence must be maintained even during fault conditions.

System-to-Field Isolation: Complete electrical separation between the DCS backplane and field wiring protects the control system from ground potential differences, common mode voltages, and transient overvoltages. Factory tested to 250V RMS, this isolation barrier withstands industrial electrical environments including welding operations and motor starting transients.

Ground Loop Elimination: Isolation breaks ground loops that occur when field devices and the DCS are grounded at different points with varying potentials. This is particularly critical in large facilities where ground potential differences can reach tens of volts, causing measurement errors and equipment damage in non-isolated systems.

DeltaV Electronic Marshalling Integration

Seamlessly integrates with DeltaV's flexible I/O architecture:

• Flexible I/O Assignment: Electronic Marshalling enables software-based signal routing, eliminating hardwired marshalling cabinets and reducing installation costs
• Hot-Swappable Operation: Replace CHARMs without system shutdown when installed on appropriate baseplates
• Configuration via DeltaV Explorer: Intuitive setup through Control Studio with automatic CHARM type recognition
• CIOC Compatibility: Works with DeltaV CHARM I/O Cards (e.g., SE6504 KL2101X1-BB1) for distributed I/O architectures
• DIN Rail Mounting: Installs on DeltaV CHARM baseplates (e.g., SS3001 KL4103X1-BA1) for compact cabinet layouts

Diagnostic & Status Monitoring

Comprehensive diagnostics ensure operational reliability:

• Real-time output status monitoring through DeltaV control strategies
• Short circuit and overload detection with automatic fault reporting
• LED indicators for power, communication, and fault conditions
• Integration with DeltaV alarm management for automated maintenance notifications

Output Circuit Protection

Installation & Mounting

Designed for straightforward integration into DeltaV I/O systems:

• Mounts on DeltaV CHARM baseplate with automatic keying for correct module placement
• DIN rail compatible for standard industrial cabinet installation
• Screw terminal connections for reliable field wiring (wire gauge dependent on terminal block)
• Compact form factor maximizes I/O density in space-constrained cabinets
• No field calibration required - factory configured and tested

Why Choose Industrial Control Hub?

Your specialized partner for Emerson DeltaV automation components:

• ✓ Genuine Emerson OEM products with full manufacturer warranty and traceability
• ✓ Expert technical support from DCS-certified automation engineers
• ✓ Comprehensive inventory of current production and legacy DeltaV spare parts
• ✓ Fast global shipping to US, UK, EU, and Asia-Pacific industrial markets
• ✓ Competitive pricing with volume discounts for project quantities and MRO programs
• ✓ Complete documentation including installation manuals, wiring diagrams, and control drawings

Related DeltaV Digital Output CHARMs

Ordering Information & Accessories

• KL3004X1-BA1 / SE4302T02: DO 24VDC Isolated CHARM (this product)
• SS3001 / KL4103X1-BA1: DeltaV CHARM Baseplate for DIN rail mounting
• SE6504 / KL2101X1-BB1: CHARM I/O Card (CIOC) for distributed I/O architectures
• Terminal Blocks: Various options available based on current rating and wiring requirements

Technical Documentation & Engineering Support

Complete installation instructions, control drawings, and Electronic Marshalling configuration guides available upon request. Our DCS specialists provide application engineering support for system design, I/O sizing, isolation requirements analysis, and troubleshooting assistance for complex DeltaV implementations.

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