Product Overview

The Emerson KJ3002X1-BA1, cataloged under part number 12P0680X122, is a high-performance 8-channel Analog Input card designed for the DeltaV™ M-series I/O Subsystem. This module is engineered to interface with standard 4-20 mA field instruments, providing high-resolution data acquisition for the DeltaV Distributed Control System (DCS). A primary feature of this module is its native support for the HART (Highway Addressable Remote Transducer) protocol, which allows the system to extract secondary variables and diagnostic information from smart field devices without disrupting the primary analog signal.

This interface card serves as a vital bridge in process automation, facilitating the monitoring of critical variables such as pressure, temperature, level, and flow. While the manufacturer moved this hardware to a discontinued lifecycle phase on December 31, 2018, it remains a critical component for the maintenance and optimization of existing DeltaV infrastructure in heavy industrial sectors.

Technical Characteristics and Performance

• HART Communication Support: Enables pass-through of digital device data to Asset Management Solutions (AMS), allowing for remote calibration, device configuration, and predictive maintenance.

• Precision Signal Conditioning: Advanced analog-to-digital conversion provides superior measurement accuracy, ensuring stable control loops and reliable process data.

• Environmental Ruggedness: Specifically built to withstand extreme industrial climates, with an operational temperature range from -40°C to +70°C.

• Galvanic Isolation: Features internal electrical isolation to prevent ground loops and protect the system backplane from field-side electrical interference or surges.

• Hot-Swappable Installation: Designed for "plug-and-play" insertion into the DeltaV carrier, allowing for module replacement under power to maximize plant uptime.

• Dynamic Diagnostics: Continuous self-checking of internal hardware and field loop integrity, including detection of open circuits or shorted loops.

Technical Specifications

• Manufacturer: Emerson Process Management

• Model Identification: KJ3002X1-BA1

• Order Number: 12P0680X122 (also referenced as 12P06801X122)

• Module Type: Analog Input (AI) with HART

• Input Channels: 8

• Input Range: 4-20 mA

• Dimensions: 3.8 x 10.2 x 11.4 cm

• Net Weight: 0.2 kg

• Humidity Tolerance: 5% to 95% non-condensing

• Country of Origin: USA

Industrial Application Areas

• Oil and Gas Refining: Integration of smart pressure transmitters and flow meters in refinery units.

• Chemical Manufacturing: Monitoring of reactor temperatures and reagent flow in corrosive environments.

• Power Generation: High-fidelity data collection for turbine and boiler control subsystems.

• Pulp and Paper: Management of high-density I/O arrays for continuous process monitoring.