Product Overview

The Emerson KJ4001X1-BA3, also identified by part numbers 12P3378X012 and VE3051C0, is a high-integrity 2-wide carrier interface designed for the DeltaV™ M-series I/O subsystem. This module serves as the physical and electrical foundation for the DeltaV controller, providing the necessary backplane connectivity for dual-processor redundancy or high-density I/O configurations. By facilitating a secure mounting platform with integrated power and signal routing, the KJ4001X1-BA3 ensures that control logic execution remains stable and deterministic. Engineered for critical Distributed Control System (DCS) architectures, this carrier module is essential for plants requiring a scalable, space-efficient footprint without compromising on ruggedness or communication speed.

Hardware Configuration and Technical Parameters

• Model Number KJ4001X1-BA3

• Part Numbers 12P3378X012 / VE3051C0

• Architecture 2-Wide LocalBus Carrier

• System Lineage DeltaV™ M-series I/O Subsystem

• Communication Interface Integrated LocalBus for high-speed data exchange

• Slot Density Supports two (2) M-series control or I/O modules

• Physical Mass 0.2 kg

• Unit Dimensions 10.2 cm x 5.1 cm x 19.1 cm

• Environmental Resilience Designed for industrial-grade vibration and thermal stability

• Origin of Manufacture USA

• Customs Code HS 8537101190

• Lifecycle Status Brand New (Available for legacy system support)

Industrial Utility and Control Scenarios

The KJ4001X1-BA3 carrier module provides the structural and electronic backbone for various automation environments:

Redundant Controller SetupServing as the primary mounting base for redundant DeltaV controllers, ensuring that if one processor fails, the secondary unit maintains process control via the integrated backplane bus.

High-Density I/O ClusteringAllowing for the efficient expansion of analog and digital I/O modules in space-constrained control cabinets, typical in offshore oil platforms or containerized modular refineries.

Continuous Process SynchronizationProviding the low-latency signal path required for high-speed PID loops in chemical batch processing, where timing and data integrity are critical to product quality.

Maintenance and Lifecycle ExtensionsSince the M-series hardware entered a mature lifecycle phase in late 2018, this "Brand New" module is a vital asset for facilities maintaining operational continuity without the need for a full DeltaV S-series migration.

Robust Field InterfacingManaging the transition between sensitive controller electronics and field-level wiring, acting as a protected electrical junction that resists the corrosive and high-interference atmospheres found in power plants and wastewater facilities.