Emerson KJ2003X1-BA2 is a DeltaV Controller MD Module, serving as a core control unit for DeltaV DCS. It executes complex control logic, processes real-time data, and communicates with I/O modules, ensuring stable industrial automation operations.
Publish Date of ATEX Instruction Sheet: February, 2003
Manufacturer: Emerson Process Management (Austin, Texas)
Serial Number & Manufacturing Details: Refer to the product label for serial number, manufacturing location, and manufacturing date
Product Overview
The KJ2003X1-BA2 is an MD Controller engineered for hazardous industrial environments, functioning as a critical component in automation systems (e.g., DeltaV Scalable Process System). It delivers stable LocalBus power and meets strict hazardous area safety standards, ensuring reliable performance in critical process control scenarios.
Environmental Specifications
Environmental Parameter
Specification
Ambient Temperature
0 to 60 °C
Shock
10 G ½-sinewave for 11 ms
Vibration
1 mm peak-to-peak from 5 Hz to 16 Hz; 0.5 g from 16 Hz to 150 Hz
Airborne Contaminants
ISA-S71.04 –1985 Airborne Contaminants Class G3
Relative Humidity
5% to 95% non-condensing
Technical Description of KJ2003X1-BA2 MD Controller
1. Product Overview
The KJ2003X1-BA2 is a Modular (MD) Controller developed by Emerson Process Management, specifically engineered for use in industrial automation systems—with a focus on safe operation in hazardous environments. As a core control component in the DeltaV Scalable Process System, its primary function is to execute control logic, manage I/O communications, and coordinate process operations for critical industrial applications (e.g., oil and gas, chemical processing, petrochemicals). Equipped with ATEX and FM certifications for hazardous areas, this controller ensures reliable performance in Zone 2/Division 2 environments where explosive atmospheres may occasionally be present. It operates on a LocalBus power supply and integrates seamlessly with DeltaV system components, providing deterministic control for process stability and safety.
2. Installation & Operational Requirements
2.1 Power & Handling Safety
Powered Removal/Insertion: Strictly prohibited—the controller cannot be removed or inserted while system power is energized. This prevents electrical arcing (a critical hazard in explosive atmospheres) and avoids damage to the controller or DeltaV LocalBus.
Wiring Guidelines: Refer to Emerson’s DeltaV Scalable Process System Zone 2 Installation Instructions (Document 12P2046) for hazardous area wiring practices (e.g., cable shielding, conduit grounding) to maintain safety certifications.
Network Voltage Limits: Ensure external communications networks (e.g., Ethernet, fieldbus) connected to the controller do not exceed 60 VAC or 75 VDC, as specified in safety warnings.
2.2 System Integration
DeltaV Compatibility: Optimized for the DeltaV Scalable Process System; follow Installing Your DeltaV Automation System for integration steps, including LocalBus connection, firmware configuration, and control logic deployment.
Mounting: Intended for rack mounting within Emerson-approved control cabinets (compatible with standard 19-inch industrial racks). Ensure the cabinet provides adequate ventilation to maintain ambient temperature within 0–60°C.
3. Maintenance & Service
No User-Serviceable Components: The KJ2003X1-BA2 contains no internal parts that can be serviced, adjusted, or replaced by the user. Disassembly is strictly prohibited, as it would void ATEX/FM certifications and risk compromising hazardous area safety.
Calibration: Factory-calibrated for optimal control performance; no periodic calibration is required under normal operating conditions.
Traceability: Serial number, manufacturing location, and production date are printed on the product label for warranty tracking, regulatory compliance, and maintenance records.
Safety Warnings
Strictly comply with the communications network voltage limitation (≤60 VAC / ≤75 VDC) to avoid electrical hazards.
Ensure adherence to all hazardous area safety standards during operation to prevent risks like electrical shock or equipment damage.
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