Description
EMERSON PROCESS MANAGEMENT
FISHER-ROSEMOUNT SYSTEMS
KJ2102X1-BA1
DELTAV RS3 I/O INTERFACE MODULE
PN: 12P2740X042
REV: D
LOCALBUS POWER RATING: 12VDC, 1.2A
AMBIENT TEMPERATURE: 60°C MAX
G7115604/A
The Emerson Fisher KJ2102X1-BA1 is a DeltaV RS3 I/O Interface Module designed to bridge legacy Fisher-Rosemount RS3 distributed control system I/O with the Emerson DeltaV platform. Operating within the PLC & HMI category, this module enables seamless integration between existing RS3 field I/O infrastructure and DeltaV-based automation architectures, making it a critical component for migration projects and hybrid control system environments. Its role in maintaining continuous process control communication makes it operationally significant across vessels and offshore installations where distributed control systems govern propulsion auxiliaries, cargo handling, and machinery automation.
Key Features
✓ Functions as an interface bridge between RS3 legacy I/O systems and the Emerson DeltaV distributed control platform, preserving existing field wiring investments during system migration or upgrade.
✓ Rated at 12VDC localbus power with a current draw of 1.2A and a maximum ambient operating temperature of 60°C, as stated on the module nameplate — all other electrical specifications are subject to confirmation.
✓ Compatible with Emerson DeltaV DCS environments incorporating RS3 I/O infrastructure; precise controller version and carrier compatibility should be confirmed against system documentation before installation.
✓ Suitable for installation in climate-controlled control rooms and automation cabinets typical of marine and offshore control system environments; mounting configuration and enclosure requirements depend on the specific system layout.
✓ Revision D hardware; buyers should verify revision compatibility with their existing DeltaV system version and RS3 I/O configuration prior to fitment, as module revisions may affect firmware and system integration.
Marine Applications
✓ Offshore production platforms and FPSOs utilising Emerson DeltaV DCS for process automation where legacy RS3 I/O systems remain in service.
✓ LNG carriers and gas tankers with distributed control systems managing cargo loading, custody transfer, and auxiliary machinery via hybrid RS3-DeltaV architectures.
✓ Drill ships and semi-submersible rigs requiring I/O interface modules to support DCS migration without full field wiring replacement.
✓ Large merchant vessels including bulk carriers and tankers where DeltaV-based engine room automation systems interface with legacy field instrumentation.
✓ Onshore and floating terminals with integrated automation systems undergoing phased upgrades from Fisher-Rosemount RS3 to current DeltaV platform standards.
Why Marine Engineers Choose
The KJ2102X1-BA1 offers a proven migration path for vessels and installations running legacy RS3 I/O, allowing engineers to modernise to DeltaV without wholesale replacement of field instrumentation — reducing downtime, capital expenditure, and integration risk during control system upgrades.
Ideal For
Offshore platforms, FPSOs, LNG carriers, drill ships, floating terminals, and large merchant vessels operating Emerson DeltaV distributed control systems with existing Fisher-Rosemount RS3 I/O infrastructure in place.
Technical Support & Compliance
Remote troubleshooting, commissioning guidance, and integration support are available for DeltaV RS3 I/O interface applications. Onboard technical assistance, retrofit planning, and system compatibility verification can be arranged subject to confirmation. To confirm suitability for your installation, buyers are encouraged to share nameplate photographs, the full part number and revision, DeltaV system version and controller model, RS3 I/O carrier and chassis details, relevant system drawings or I/O lists, and vessel name or IMO number where applicable. Compatibility with specific DeltaV versions, carriers, and RS3 I/O configurations is subject to confirmation against your system documentation.
