Emerson KJ3001X1-CB1 32-Channel Digital Output Card

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Emerson KJ3001X1-CB1 32-Channel Digital Output Card - High-Density Discrete Control for DeltaV Systems

The Emerson KJ3001X1-CB1 32-Channel Digital Output Card delivers high-density discrete control capabilities for DeltaV M-series distributed control systems. This 24VDC high-side switching module provides reliable on/off control for solenoid valves, motor starters, indicator lights, and alarm annunciators across oil & gas, chemical, pharmaceutical, and power generation facilities requiring robust field device actuation.

Core Technical Specifications

Model Number: KJ3001X1-CB1
Channel Count: 32 discrete output channels per card
Output Type: 24VDC high-side switching (positive switching)
Current Rating: 100mA per channel maximum
Field Power: 24VDC at 3.2A per card (bussed field power)
LocalBus Power: 12VDC at 150mA
Operating Temperature: 0°C to +60°C (32°F to 140°F)
Terminal Block Key: B4 position for proper card identification
System Compatibility: DeltaV M-series controllers and 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 per Document 12P2046
IECEx International: Compliant with global hazardous area standards
Marine Certification: DNV and ABS approved for offshore platforms and maritime installations

Industrial Process Control Applications

Solenoid Valve Control: Actuate pneumatic control valves, block valves, and emergency shutdown (ESD) valves in process automation systems. The 24VDC high-side switching provides positive voltage switching to solenoid coils, ensuring fail-safe operation where valve position defaults to spring-return state upon power loss or control system failure.

Motor Starter Interfacing: Control motor starter contactors for pumps, fans, compressors, and agitators. The 100mA per channel output drives standard 24VDC contactor coils while maintaining electrical isolation between the DCS and high-power motor circuits, protecting control system integrity from electrical transients and ground faults.

Alarm Annunciator Panels: Drive visual and audible alarm indicators in control rooms and field equipment shelters. Connect stack lights, horn relays, and panel-mounted indicator lamps to provide operators with immediate visual feedback on process conditions, equipment status, and alarm states requiring attention.

Interlock Logic Implementation: Execute safety interlock sequences preventing unsafe equipment operation. Control permissive relay coils that enforce start-up sequences, prevent simultaneous operation of incompatible equipment, and implement process safety management (PSM) requirements mandated by regulatory agencies.

Batch Process Sequencing: Coordinate multi-step batch operations in pharmaceutical, food & beverage, and specialty chemical manufacturing. Sequence valve openings, pump starts, and material transfers according to validated recipes while maintaining complete audit trails for regulatory compliance and quality assurance.

High-Side Switching Architecture Advantages

Critical benefits of positive voltage switching topology:

Fail-Safe Operation: Field devices default to de-energized state upon wire breaks or card failures
Ground Fault Protection: High-side switching prevents unintended device activation from field wiring ground faults
Simplified Troubleshooting: Positive switching allows easy voltage measurement at field device terminals
Common Negative Bus: All field devices share common ground, simplifying cabinet wiring and reducing terminal count
Electrical Isolation: Each channel features isolation from LocalBus and adjacent channels for noise immunity

Hot-Swap Capability & Installation Requirements

Critical guidelines for safe card replacement and system operation:

Hot-Swap Conditions: The KJ3001X1-CB1 supports hot-swapping (removal and insertion while system is energized) under strict conditions. Field power MUST be removed before connecting or disconnecting the card. Non-sparking field circuits must be de-energized before any operation. Only one card may be removed or inserted at a time to prevent LocalBus communication disruption.

Power Supply Requirements: Must use KJ1501X1-BC1 Dual DC/DC Power Supply (24 or 12VDC) or certified equivalent with Ui = 12.6VDC and Lo < 23µH (including wire inductance). Input wiring inductance must be less than 23µH to meet intrinsic safety requirements for Zone 2 installations.

Terminal Block Keying: Terminal block must match key position B4 for proper card compatibility. The rotary keying system prevents incorrect card insertion and ensures field wiring matches the installed card type, reducing commissioning errors and preventing damage to field devices.

Field Power Isolation: Before card removal or insertion, disconnect 24VDC field power to prevent arcing at connector contacts. Failure to remove field power may damage card electronics, create sparking hazards in classified areas, or cause unintended field device activation during maintenance.

Environmental Specifications

Parameter	Specification
Operating Temperature	0°C to +60°C (32°F to 140°F)
Shock Resistance	10g half-sine wave for 11ms
Vibration Tolerance	1mm peak-to-peak (5-16 Hz); 0.5g (16-150 Hz)
Humidity Range	5% to 95% non-condensing
Airborne Contaminants	ISA-S71.04-1985 Class G3 protection
IP Rating	IP20 (control room environment)

Channel Loading & Power Budget Calculations

Critical planning factors for reliable system operation:

Per-Channel Current Limit: Each output channel supports up to 100mA continuous current. Typical solenoid valve coils consume 50-80mA, indicator lamps 20-40mA, and relay coils 30-60mA. Verify field device current draw from manufacturer datasheets to ensure compliance with the 100mA per channel limit.

Card-Level Power Budget: Total field power consumption across all 32 channels must not exceed 3.2A (24VDC bussed field power rating). When all channels are simultaneously energized at maximum 100mA, total current draw reaches 3.2A. For applications requiring higher current, distribute loads across multiple cards or use external relay interfaces.

Inductive Load Considerations: Solenoid coils and relay coils are inductive loads that generate voltage spikes during de-energization. The KJ3001X1-CB1 includes internal flyback diode protection on each channel to suppress inductive kickback, protecting output transistors from overvoltage damage and extending card service life.

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 I/O cards
✓ Expedited global shipping to US, UK, EU, and Asia-Pacific markets
✓ Competitive pricing with volume discounts for project quantities
✓ Complete documentation, wiring diagrams, and configuration assistance

Complementary DeltaV I/O Components

Product Model	Description	Link
KC3020X1-BA2	DeltaV 32-Channel 24VDC Digital Output Card for M-series Plus controllers	View Product
KJ3204X1-BK1	Digital Output Module 32-Channel 24VDC for S-Series I/O systems	View Product
KJ4006X1-BF1	Discrete 32-Channel Terminal Block for field wiring termination	View Product

Ordering Information & System Planning

KJ3001X1-CB1: 32-Channel Digital Output Card, 24VDC High-Side (this product)
Required Power Supply: KJ1501X1-BC1 Dual DC/DC Power Supply or certified equivalent
Terminal Block: B4 key position terminal block (sold separately)
Spare Parts Strategy: Maintain spare cards for critical applications to minimize downtime during failures

Technical Documentation & Support

Complete installation manuals including Document 12P2046 (Zone 2 Installation Instructions) and "Installing Your DeltaV Automation System" available upon request. Our application engineering team provides wiring diagram review, power budget calculations, hot-swap procedure guidance, and troubleshooting assistance for complex DeltaV discrete output applications.

Maintenance & Service Life

No User-Serviceable Parts: Factory-sealed electronics require no field maintenance or adjustment
No Calibration Required: Digital output switching requires no periodic calibration or verification
Do Not Disassemble: Card disassembly voids warranty and may damage sensitive electronics
Replacement Criteria: Replace card if output channels fail to switch, excessive heating occurs, or diagnostic LEDs indicate internal faults
Expected Service Life: 10+ years in typical control room environments with proper power supply and environmental conditions

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Product Description

Emerson KJ3001X1-CB1 32-Channel Digital Output Card - High-Density Discrete Control for DeltaV Systems

The Emerson KJ3001X1-CB1 32-Channel Digital Output Card delivers high-density discrete control capabilities for DeltaV M-series distributed control systems. This 24VDC high-side switching module provides reliable on/off control for solenoid valves, motor starters, indicator lights, and alarm annunciators across oil & gas, chemical, pharmaceutical, and power generation facilities requiring robust field device actuation.