Emerson DeltaV KJ2221X1-BA1 12P3232X132 VS6002 Repeater Modules

Technical Dossier

Product Details And Specifications

Emerson DeltaV KJ-Series Technical Notes

The Emerson DeltaV KJ-Series represents the primary I/O subsystem architecture deployed across global heavy industry installations, including petrochemical complexes, nuclear power generation facilities, offshore platforms, and crude oil refineries. The KJ-Series card cage and module ecosystem forms the backbone of DeltaV distributed control system (DCS) installations commissioned from the late 1990s through the present decade. Installed base estimates place KJ-Series hardware in tens of thousands of process control loops worldwide, with particularly high concentrations in North American and Middle Eastern refining infrastructure. The KJ2221X1-BA1 12P3232X132 VS6002 is a repeater/signal conditioning module within this family, designed to extend fieldbus or serial communication integrity across long cable runs in electrically noisy industrial environments.

The Evolution of KJ-Series Architecture

The DeltaV KJ-Series I/O platform was introduced alongside the DeltaV v1.x control system in the late 1990s as a modular, scalable alternative to legacy PROVOX and RS3 architectures. Early generations used a passive backplane with individual module addressing via hardware DIP switches. By DeltaV v6.x, the architecture transitioned to fully electronic module identification, enabling hot-swap replacement without process interruption. The v7.x and v8.x generations introduced CHARM (Characterization Module) compatibility pathways, though the KJ-Series card cage remained the dominant I/O form factor for brownfield sites. From DeltaV v11 onward, Emerson began parallel-tracking the CIOC (CHARM I/O Card) platform, positioning it as the forward architecture for greenfield projects. KJ-Series modules, however, remain in active production and full technical support as of 2026, given the scale of the installed base. Compatibility between KJ-Series hardware and DeltaV v13.x/v14.x controllers has been validated by Emerson, ensuring continued operability for sites not yet migrating to CHARM-based I/O. The VS6002 repeater designation within the KJ2221X1-BA1 assembly indicates a specific signal repeater function, typically associated with FOUNDATION Fieldbus H1 segment extension or serial data link conditioning.

KJ-Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked components within the Emerson DeltaV KJ-Series I/O and controller ecosystem. Each entry reflects a distinct hardware function within the DCS architecture.

KJ2201X1-BA1: 8-channel AI module, 4–20 mA HART, isolated inputs
KJ2201X1-BB1: 8-channel AI module, variant with extended HART revision support
KJ2211X1-BA1: 8-channel AO module, 4–20 mA HART, loop-powered outputs
KJ2221X1-BA1 12P3232X132 VS6002: Repeater/signal conditioning module for fieldbus or serial segment extension
KJ3001X1-BA1: DeltaV I/O subsystem power supply, 24 VDC, redundancy-capable
KJ3002X1-BA1: Redundant power supply module for KJ-Series card cage
KJ3221X1-BA1: 8-channel DI module, 24 VDC discrete input, NAMUR-compatible
KJ3222X1-BA1: 8-channel DI module, 120 VAC discrete input
KJ3231X1-BA1: 8-channel DO module, 24 VDC sourcing discrete output
KJ3232X1-BA1: 8-channel DO module, relay contact output, 2A per channel
KJ4001X1-BA1: FOUNDATION Fieldbus H1 interface card, 2-segment
KJ4002X1-BA1: FOUNDATION Fieldbus H1 interface card, 4-segment
KJ4003X1-BA1: PROFIBUS DP interface card for DeltaV KJ-Series subsystem
KJ4004X1-BA1: DeviceNet interface card, scanner mode, KJ-Series compatible
KJ4005X1-BA1: AS-Interface (AS-i) master card for KJ-Series I/O subsystem
KJ4101X1-BA1: Serial interface card, RS-232/RS-485, Modbus RTU support
KJ4102X1-BA1: Serial interface card, dual-port RS-485, multi-drop configuration
KJ4201X1-BA1: DeltaV controller interface card, primary/redundant pairing
KJ4202X1-BA1: Redundant controller interface card, KJ-Series backplane
KJ4401X1-BA1: Intrinsically safe AI module, 8-channel, ATEX/IECEx Zone 1