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- KJ4001X1-NB1
- Dual Left Extender Module
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- 35 x 55 x 155 mm
- 0.2 kg
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Emerson KJ4001X1-NB1 Dual Left Extender Module
Product Introduction
The KJ4001X1-NB1 is a Dual Left Extender Module for Emerson’s DeltaV™ distributed control system. Installed adjacent to a DeltaV I/O card, it increases the module’s footprint to accommodate side-mount wiring and bus connections without interfering with neighboring slots. Its compact design ensures reliable bus continuity and signal integrity across large control cabinets.
Key Applications
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Extending card spacing in high-density DeltaV I/O cabinets to facilitate complex wiring.
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Enabling installation of fieldbus and FOUNDATION™ Fieldbus modules in adjacent slots.
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Accommodating custom signal termination assemblies and retrofit adapters.
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Simplifying maintenance by providing clear separation between modules.
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Supporting hot-swap of DeltaV I/O cards in live systems by maintaining bus alignment.
Brand Overview
Emerson Automation Solutions is a global leader in process automation, delivering the DeltaV system—a fully integrated DCS platform renowned for its scalability, advanced control strategies, and lifecycle support across industries such as oil & gas, chemicals, power generation, and pharmaceuticals.
Product Advantages
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Space Optimization: Creates the necessary clearance for side-mounted connectors without sacrificing slot count.
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Reliable Bus Alignment: Machined guide rails and precision connectors maintain the integrity of the DeltaV communications bus.
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Rugged Construction: Die-cast aluminum frame resists vibration and thermal cycling.
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Tool-Free Installation: Spring-loaded latches allow rapid insertion and removal during cabinet modifications.
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Minimal Footprint: Adds less than 35 mm of extra width, preserving overall cabinet density.
Detailed Technical Parameters
| Specification | Details |
|---|---|
| Model Number | KJ4001X1-NB1 |
| Function | Dual Left Extender for DeltaV I/O cards |
| Material | Die-cast aluminum with anti-corrosion finish |
| Mounting | DeltaV I/O rack slot, spring latches |
| Bus Connector | 60-pin DeltaV bus interface |
| Operating Temperature | –20 °C to +60 °C |
| Storage Temperature | –40 °C to +85 °C |
| Relative Humidity | 5 % to 95 % RH (non-condensing) |
| Dimensions (W × H × D) | 35 × 55 × 155 mm |
| Weight | 0.2 kg |
Related DeltaV™ Series / Function Models
| Model | Description |
|---|---|
| KJ4001X1-NA1 | Single Left Extender Module for DeltaV I/O cards |
| KJ4001X1-NC1 | Right-Side Extender Module for redundant card pairs |
| KJ4001X1-ND1 | Duo Extender Module for fieldbus card clusters |
| KJ4001X1-NE1 | High-temperature extender for harsh environments |
| KJ4001X1-NF1 | Long-reach extender with integrated termination points |
Popular Emerson Automation™ Models
| Model | Description |
|---|---|
| KJ4001X1-NA2 | DeltaV I/O Card, Discrete Input/Output Module |
| KJ4001X1-NB2 | FOUNDATION™ Fieldbus I/O Card |
| KJ4001X1-NC2 | Smart HART® I/O Card |
| KJ4001X1-PD1 | DeltaV Controller Card, Single-Loop Valve Positioner |
| KJ4001X1-PG1 | DeltaV Controller Card, PID Control Module |
Frequently Asked Questions (FAQ)
Q: What is the purpose of the Dual Left Extender?
A: It creates extra clearance on the left side of a DeltaV I/O card for side-mounted connectors without widening the cabinet.
Q: Can it be installed while the system is powered?
A: Yes; the spring-loading design and offline clearance allow hot-swap of I/O cards with minimal risk.
Q: Does it affect signal integrity?
A: No; precision machined bus connectors and guide rails maintain the original signal path and shielding.
Q: What materials is it made from?
A: Die-cast aluminum with an anti-corrosion finish to withstand industrial environments.
Q: How much additional width does it require?
A: Exactly 35 mm, enabling optimal use of rack space with predictable cabinet layout.
Q: Is it compatible with all DeltaV I/O modules?
A: It fits any standard DeltaV I/O card slot without requiring adapter plates.
Q: What temperature ranges can it handle?
A: Operational from –20 °C to +60 °C and storable from –40 °C to +85 °C.
Q: How is it secured in the rack?
A: Spring-loaded latches engage automatically when inserted into the slot; no tools needed.
Q: Can multiple extenders be used in series?
A: Yes; you can deploy adjacent extenders to form wider clearance zones for multi-card assemblies.
Q: Does it support redundant bus architectures?
A: The Dual Left Extender maintains both primary and secondary bus connectors for redundant DeltaV I/O configurations.