Dual Right Cable Extender | Emerson KJ4001X1-NA1 DeltaV DCS
Manufacturer: Emerson
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Part Number: KJ4001X1-NA1 ABRES2T0200B
Condition：New with Original Package
Product Type: Carrier Expansion Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson KJ4001X1-NA1 DeltaV Extension Unit
The Emerson KJ4001X1-NA1, also cataloged as the KJ4001X1-NA1 Dual Right Cable Extender, operates as a dedicated hardware component for LocalBus signal and power routing within Emerson DeltaV DCS platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KJ4001X1-NA1 |
| Brand | Emerson |
| Origin | USA |
| Weight | 2 kg |
| Dimensions | Standard DeltaV carrier extender module |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | 12 VDC (8 A) LocalBus bus power limit |
| System Compatibility | Emerson DeltaV DCS |
| Function | Extends LocalBus communication and power to right-side carriers |
| Relative Humidity | 5% to 95% non-condensing |
| Airborne Contaminants | ISA-S71.04-1985 Class G3 compliant |
| Ingress Protection | IP20 |
| Shock Resistance | 10 g half-sine wave for 11 ms |
| Vibration Resistance | 1 mm P-P (5-16 Hz), 0.5 g (16-150 Hz) |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation
The unit acts as a physical conduit for LocalBus data frames and 12 VDC auxiliary bus power while providing high noise attenuation between right-side expansion carriers and primary controller nodes. High-density connector pins maintain differential pair balance to prevent cross-talk during rapid backplane scanning cycles. Furthermore, the physical separation preserves channel-to-channel isolation parameters throughout adjacent analog and HART loop I/O cards, preventing field wiring transients or ground loops from corrupting system data transport.
Frequently Asked Questions
Q: Does the KJ4001X1-NA1 require independent field power connections?
A: No, the extender routes power directly from the active LocalBus power supply rail at 12 VDC (8 A maximum limit) to the expansion carrier.
Q: Can this unit be replaced while the primary controller carrier remains powered?
A: Yes, engineers can insert or disengage the extender on live carrier backplanes, provided system ground continuity is maintained to prevent bus noise spikes.
Q: How does the IP20 enclosure rating affect panel layout requirements?
A: The IP20 housing requires installation within a protective NEMA 4X or IP54 control cabinet to shield internal contacts from direct dust ingress and condensation.
Field Installation Guidelines
Mount the module directly into the right-side extension slot of the main DeltaV carrier until the retention latches snap firmly into place. Connect the inter-carrier bus cable without exceeding the specified bend radius to prevent internal conductor strain. Maintain a minimum of 5 full threads engagement on all metal enclosure panel screws to establish robust chassis ground continuity. Route all field wiring at least 300 mm away from high-voltage AC lines to minimize electromagnetic interference across the extended LocalBus lines.