Emerson KJ3223X1-EA1 16-Channel AI Terminal Block

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Emerson KJ3223X1-EA1 16-Channel Analog Input Terminal Block - DeltaV Field Wiring Interface

The Emerson KJ3223X1-EA1 (12P2867X022) 16-Channel Analog Input Terminal Block provides essential field wiring connectivity for DeltaV distributed control system analog input cards. This high-density terminal block enables organized, reliable connections between field transmitters and DeltaV I/O cards, supporting 16 individual 4-20mA or voltage input channels with 30VDC at 100mA power capacity for oil & gas, chemical, pharmaceutical, and power generation applications requiring robust signal termination.

Core Technical Specifications

Model Number: KJ3223X1-EA1 (Alternate: 12P2867X022)
Channel Count: 16 analog input channels for high-density I/O
Input Power Rating: 30VDC at 100mA maximum
Compatible I/O Cards: DeltaV KJ3223X1 series 16-channel analog input cards
Operating Temperature: -40°C to +70°C (-40°F to 158°F)
Environmental Protection: ISA-S71.04-1985 Class G3 conformal coating
Wiring Capacity: Screw cage terminals for 22-14 AWG field wiring
System Compatibility: DeltaV M-series and S-series I/O carriers

Global Hazardous Area Certifications

Certified for deployment in classified industrial environments worldwide:

FM/CSA North America: Class I, Division 2, Groups A-D, T4; Class I, Zone 2 applications
ATEX Europe: Zone 2 certified for explosive atmosphere installations
IECEx International: Compliant with global hazardous area standards per Document 12P2046
Marine Certification: DNV and ABS approved for offshore platforms and maritime installations

Industrial Process Applications

Refinery Process Measurement: Terminate field signals from pressure transmitters monitoring distillation column pressures, flow meters tracking crude feed rates, and level transmitters measuring product tank inventories. The 16-channel density reduces cabinet space requirements while maintaining organized field wiring for simplified troubleshooting during turnarounds and maintenance activities.

Chemical Batch Manufacturing: Connect reactor temperature transmitters, feed flow controllers, and product pH analyzers for precise batch recipe execution. The terminal block's screw cage terminals accommodate both shielded and unshielded cables, providing flexibility for different signal types and installation requirements across multi-product batch facilities.

Pharmaceutical Production: Interface with validated pressure, temperature, and flow transmitters in clean-in-place (CIP) systems, fermentation vessels, and sterile filtration skids. The terminal block's factory-tested construction supports 21 CFR Part 11 compliance and GMP validation requirements by eliminating field calibration and reducing potential points of failure.

Power Plant Instrumentation: Terminate signals from boiler drum level transmitters, feedwater flow meters, steam pressure sensors, and condenser vacuum transmitters. The wide operating temperature range (-40°C to +70°C) accommodates outdoor installations and non-climate-controlled equipment rooms common in power generation facilities.

Offshore Platform Operations: Provide reliable field termination for production separator level transmitters, wellhead pressure sensors, and export pipeline flow meters. The rugged construction withstands marine environments with 10g shock resistance and vibration tolerance up to 0.7g (13.2-150 Hz), critical for installations subject to wave motion and mechanical vibration.

Terminal Block Architecture Advantages

Critical benefits for organized field wiring and system reliability:

High-Density Design: 16 channels in compact form factor maximizes cabinet space utilization
Organized Wiring: Numbered terminal positions simplify commissioning and reduce wiring errors
Tool-Free Removal: Terminal block disconnects from I/O card without tools for rapid maintenance
Shield Termination: Dedicated shield grounding points for each channel minimize electrical noise
Visual Inspection: Clear terminal labeling enables quick verification of field connections

Installation & Wiring Best Practices

Critical guidelines for reliable signal integrity and system performance:

Wire Sizing & Termination: Use 22-14 AWG wire for field connections, ensuring proper strip length (7-9mm) for secure screw cage terminal engagement. Over-stripped wires can cause shorts between adjacent terminals, while under-stripped wires may result in poor electrical contact and intermittent signals.

Shield Grounding: Terminate cable shields at the terminal block shield grounding points, not at the field device. This single-point grounding strategy minimizes ground loops and common mode noise, particularly important for low-level signals (4-20mA) in electrically noisy environments with VFDs and high-power equipment.

Cable Routing: Separate analog signal cables from power cables and high-voltage wiring by maintaining minimum 12-inch spacing or using grounded metal barriers. Route cables through dedicated cable trays or conduit to prevent electromagnetic interference from degrading measurement accuracy.

Terminal Tightness: Torque screw terminals to manufacturer specifications (typically 5-7 in-lb) to ensure reliable electrical contact without damaging wire strands. Under-torqued terminals can cause high resistance connections and signal drift, while over-torqued terminals may break wire strands or crack terminal blocks.

Polarity Verification: Verify correct polarity for 4-20mA loop-powered transmitters before energizing the system. Reversed polarity can damage transmitters or cause erroneous readings that may not be immediately obvious during commissioning.

Hazardous Area Installation Requirements

Critical safety guidelines for classified locations:

Installation Documentation: Refer to Document 12P2046 "DeltaV CHARM I/O Subsystem Zone 2 Installation Instructions" and "DeltaV S-Series and CHARMs Hardware Installation" manual
De-Energized Installation: Terminal blocks CANNOT be removed or inserted while system power is energized unless area is verified non-hazardous
Energy Isolation: Disconnect I/O card power and verify zero energy state before terminal block removal or installation
Conduit Sealing: Field wiring conduits entering hazardous areas require proper sealing per NEC Article 501 or equivalent local codes

Environmental Specifications

Parameter	Specification
Operating Temperature	-40°C to +70°C (-40°F to 158°F)
Shock Resistance	10g half-sine wave for 11ms
Vibration Tolerance	1mm peak-to-peak (2-13.2 Hz); 0.7g (13.2-150 Hz)
Humidity Range	5% to 95% non-condensing
Airborne Contaminants	ISA-S71.04-1985 Class G3 protection

Compatible DeltaV I/O Cards

The KJ3223X1-EA1 terminal block is designed for use with:

KJ3223X1-BA1: 16-channel 4-20mA HART analog input card
KJ3223X1-BK1: 16-channel 4-20mA HART analog input card (alternate version)
Other KJ3223X1 variants: Various 16-channel analog input configurations

Why Choose Industrial Control Hub?

Your specialized source for genuine Emerson DeltaV automation components:

✓ 100% authentic OEM products with full manufacturer traceability and warranty
✓ Expert DCS technical support from certified automation engineers
✓ Extensive inventory of current production and legacy DeltaV terminal blocks
✓ Expedited global shipping to US, UK, EU, and Asia-Pacific markets
✓ Competitive pricing with volume discounts for project quantities
✓ Complete documentation, wiring diagrams, and installation assistance

Complementary DeltaV Terminal Blocks

Product Model	Description	Link
VE4003S2B9	AI 16-Channel Terminal Block for M-series analog input cards	View Product
KC4011X1-BS1	2-Wire AI 16-Channel Terminal Block for loop-powered transmitters	View Product
KJ4006X1-BS1	Redundant AI 8-Channel Terminal Block for critical measurement applications	View Product

Ordering Information & Accessories

KJ3223X1-EA1 (12P2867X022): 16-Channel Analog Input Terminal Block (this product)
Compatible I/O Card: KJ3223X1-BA1 or KJ3223X1-BK1 16-channel AI card (sold separately)
Wiring Accessories: Ferrules, wire markers, and cable ties for professional installations
Spare Parts: Maintain spare terminal blocks for critical applications to minimize downtime

Technical Documentation & Support

Complete installation manuals including Document 12P2046 (Zone 2 Installation Instructions) and "DeltaV S-Series and CHARMs Hardware Installation" manual available upon request. Our application engineering team provides wiring diagram review, shield grounding consultation, and troubleshooting assistance for complex DeltaV field termination challenges.

Maintenance & Service Life

No User-Serviceable Parts: Factory-assembled terminal block requires no field maintenance
No Calibration Required: Passive wiring interface eliminates calibration and drift concerns
Do Not Disassemble: Terminal block disassembly voids warranty and may compromise electrical safety
Inspection Intervals: Periodically inspect terminal tightness and wire condition during scheduled maintenance outages
Replacement Criteria: Replace if physical damage, cracked terminals, or corrosion is observed

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Product Description

Emerson KJ3223X1-EA1 16-Channel Analog Input Terminal Block - DeltaV Field Wiring Interface

The Emerson KJ3223X1-EA1 (12P2867X022) 16-Channel Analog Input Terminal Block provides essential field wiring connectivity for DeltaV distributed control system analog input cards. This high-density terminal block enables organized, reliable connections between field transmitters and DeltaV I/O cards, supporting 16 individual 4-20mA or voltage input channels with 30VDC at 100mA power capacity for oil & gas, chemical, pharmaceutical, and power generation applications requiring robust signal termination.