The KJ4001X1-NA1 extends LocalBus connections horizontally to the right side of a DeltaV I/O carrier. This dual cable extender supports system expansion in hazardous environments thanks to its ATEX II 3 G rating. Users can rely on its EEx nA IIC T4 compliance for Zone 2 areas. Additionally, the Emerson KJ4001X1-NA1 delivers 12 VDC at 8A to power downstream modules. Its robust design handles extreme temperatures from -40°C to 70°C. Therefore, this component suits oil refineries, chemical plants, and other explosive atmospheres.
The KJ4001X1-NA1 operates on a LocalBus power supply of 12 VDC with a maximum current of 8A. Its ambient temperature range spans from -40°C to 70°C. Relative humidity tolerance reaches 5% to 95% non-condensing. Furthermore, the unit meets ISA-S71.04–1985 Class G3 for airborne contaminants. The IP20 rating provides basic protection against solid objects larger than 12mm. This horizontal extender maintains signal integrity over extended cable runs.
The Emerson KJ4001X1-NA1 holds ATEX certification Nemko No. 02ATEX431U with EEx nA IIC T4. It falls under Category II 3 G for Zone 2 hazardous locations. This means the unit is safe for use in areas where explosive gases appear infrequently. However, users must follow document 12P2046 "DeltaV Scalable Process System Zone 2 Installation Instructions". Specifically, do not remove or insert this unit while system power is energized. Always de-energize the system before disconnecting any carriers or LocalBus extender cables.
Shock resistance reaches 10g half-sine wave for 11 milliseconds. Vibration tolerance includes 1mm peak-to-peak from 5 to 16Hz, and 0.5g from 16 to 150Hz. These ratings make the KJ4001X1-NA1 suitable for compressor stations and turbine skids. Moreover, its Class G3 rating allows installation in corrosive atmospheres like petrochemical plants. Nevertheless, avoid direct liquid contact due to the IP20 enclosure. No combination of I/O carriers and LocalBus extenders must exceed a total length of 6.5 meters. Additionally, interconnecting cables between enclosures must run in conduit.
First, power down the entire DeltaV system before installing the KJ4001X1-NA1. Next, confirm the area is non-hazardous or de-energized. Then, align the extender with the right-side connector on the I/O carrier. Press firmly until the locking tabs engage. Use a screwdriver to secure the mounting screws. Additionally, verify that total LocalBus length stays within 6.5 meters. For conduit installation, route the interconnecting cable properly. Finally, power up the system and check the LocalBus status LED.
The Emerson KJ4001X1-NA1 contains no user-serviceable parts. Therefore, do not disassemble this unit for any reason. Calibration is not required. If a failure occurs, replace the entire extender module. Always refer to the product label for serial number, location, and date of manufacture.
1 x KJ4001X1-NA1 Horizontal LocalBus Dual Right Cable Extender
2 x Mounting screws
1 x Anti-static bag
1 x Quick installation guide
Note: No certificate or warranty documents are included in this package.
All orders ship via FedEx, UPS, or DHL with tracking numbers. Delivery times depend on the destination country. Typical transit takes 3–7 business days.
1. Can the KJ4001X1-NA1 be used in Zone 1 hazardous areas?
No. This unit carries ATEX II 3 G certification for Zone 2 only. For Zone 1 applications, select a different Emerson model with appropriate ratings.
2. Does this extender require external power?
No. The Emerson KJ4001X1-NA1 draws 12 VDC directly from the LocalBus backplane. It does not need separate power wiring.
3. What is the maximum total LocalBus length allowed?
No combination of I/O carriers and LocalBus extenders must exceed 6.5 meters. Also, interconnecting cables between enclosures require conduit.
4. Can I remove the KJ4001X1-NA1 while the system is running?
No. Never remove or insert this unit with system power energized. Always de-energize the system first unless the area is known to be safe.
5. Does the KJ4001X1-NA1 need periodic calibration?
No. This product contains no user-serviceable parts and requires no calibration. If it fails, replace the entire unit.
| Brand Name | Emerson |
| Model No. | KJ4001X1-NA1 |
| Product Type | Cable Extender |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
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