Emerson KJ4001X1-NA1 LocalBus Cable Extender Dual Right Hazardous Area

Description

Product Overview

The Emerson KJ4001X1-NA1 is a Horizontal LocalBus Dual Right Cable Extender. This device extends the LocalBus between DeltaV I/O carriers. It supports hazardous atmosphere installations with ATEX Zone 2 approval. The extender carries 12 VDC power at up to 8 Amps. You cannot remove or insert this unit with system power on. Always de-energize the system before disconnecting any cables.

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Part Number Breakdown (Tree Structure)

• KJ → Product Series
  • Emerson DeltaV system component
• 4001X1 → Product Family
  • LocalBus cable extender
  • Horizontal orientation
• NA1 → Specific Configuration
  • Dual Right cable exit direction
  • Standard model for DeltaV systems

Key Specifications

• Brand: Emerson (Fisher Rosemount / DeltaV)
• Part Number: Emerson KJ4001X1-NA1
• Series: DeltaV Scalable Process System
• LocalBus Power: 12 VDC at 8 Amps
• Orientation: Horizontal with dual right cable exits

Hazardous Area Approvals

• ATEX Certification: II 3 G
• Nemko No.: 02ATEX431U
• Ex Marking: EEx nA IIC T4
• Zone Category: Zone 2 (safe area with occasional explosive atmosphere)
• Refer to document 12P2046 for Zone 2 installation instructions.

Environmental Specifications

• Ambient Temperature Range: -40°C to +70°C
• Relative Humidity: 5% to 95% non-condensing
• Shock Resistance: 10g half sinewave for 11 milliseconds
• Vibration Resistance (5 to 16 Hz): 1 mm peak to peak
• Vibration Resistance (16 to 150 Hz): 0.5g
• Airborne Contaminants Class: ISA-S71.04-1985 Class G3
• Protection Rating: IP20

System Length Limitations

• Total I/O carrier and LocalBus extender length must not exceed 6.5 meters.
• Plan your system layout within this length limit.
• Exceeding this limit causes communication issues.

Installation Requirements

• De-energize system power before installation.
• De-energize power before disconnecting any carriers or cables.
• Install interconnecting cable between enclosures in conduit.
• Refer to “Installing Your DeltaV Automation System” manual.
• Follow Zone 2 installation instructions in document 12P2046.

Removal and Insertion Rules

• Do not remove this unit with system power on.
• Do not insert this unit with system power on.
• Power must be off before disconnecting any carriers.
• Power must be off before disconnecting LocalBus extender cables.
• Do not unplug unless system is de-energized or area is safe.

Maintenance and Serviceability

• This unit contains no user serviceable parts.
• Do not disassemble the unit for any reason.
• Calibration is not required for this device.
• Replace the entire unit if a fault occurs.

Product Identification

• Check product label for serial number.
• Product label shows manufacturing location and date.
• Use this information for warranty claims.

Installation Guide

• De-energize the entire DeltaV system before starting.
• Verify the area is safe for installation.
• Mount the Emerson KJ4001X1-NA1 between I/O carriers.
• Connect the LocalBus cables to the dual right connectors.
• Route interconnecting cables through conduit between enclosures.
• Ensure total LocalBus length stays under 6.5 meters.
• Do not apply power until all connections are secure.
• Restore system power and verify communication.

System Compatibility

• Compatible with DeltaV Scalable Process Systems.
• Works with all DeltaV I/O carriers.
• Follow DeltaV system installation manuals.
• Use with Zone 2 hazardous area installations.

Typical Applications

• Extending LocalBus between DeltaV I/O racks
• Distributed control system (DCS) installations
• Zone 2 hazardous area process plants
• Oil and gas refinery automation
• Chemical processing facilities
• Pharmaceutical manufacturing
• Systems requiring Class G3 corrosion protection

Package Contents

• One Emerson KJ4001X1-NA1 Horizontal LocalBus Dual Right Cable Extender
• Cables not included (order separately)

Warranty and Shipping

• 12 months factory warranty from shipment date.
• Warranty covers manufacturing defects only.
• Physical damage or improper installation voids warranty.
• Shipping options: FedEx, UPS, DHL.
• Tracking number provided after shipment.

Frequently Asked Questions (FAQ)

Q1: Can I remove the KJ4001X1-NA1 while the system is running?

No, you cannot remove this unit with system power energized. De-energize the system before disconnecting any carriers or LocalBus cables. Only unplug if the area is known to be safe and power is off.

Q2: What is the maximum LocalBus length with this extender?

The total combined length of I/O carriers and LocalBus extenders must not exceed 6.5 meters. Plan your DeltaV system layout within this limit for reliable communication.

Q3: What hazardous area approvals does the KJ4001X1-NA1 have?

The Emerson KJ4001X1-NA1 has ATEX II 3 G approval with EEx nA IIC T4 rating. Nemko certification number is 02ATEX431U. Use only in Zone 2 hazardous areas as specified.

Q4: Does this extender require calibration or maintenance?

No, this unit contains no user serviceable parts. Calibration is not required. Do not disassemble the unit. Replace the entire extender if a fault occurs.

Q5: What is the temperature range for the KJ4001X1-NA1?

Operating ambient temperature range is -40°C to +70°C. Relative humidity range is 5% to 95% non-condensing. The unit also meets Class G3 airborne contaminants rating for harsh environments.

Buying Guide

When you buy a Emerson KJ4001X1-NA1 LocalBus cable extender, follow these tips. First, calculate your total LocalBus length. Do not exceed 6.5 meters total. Second, verify your hazardous area classification. This unit is ATEX Zone 2 approved. Third, check your temperature range. This unit works from -40°C to +70°C. Fourth, consider your corrosion environment. Class G3 rating suits harsh chemical areas. Fifth, plan your cable routing. Interconnecting cables must go in conduit. Sixth, remember the removal rule. You cannot hot-swap this device. Seventh, order additional extenders for longer systems. Eighth, review warranty terms. We offer 12 months coverage. Ninth, choose your shipping method. We use FedEx, UPS, and DHL. Finally, read document 12P2046 before installation in hazardous areas.

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