Product Overview

The Emerson KJ3002X1-BF1, also identified by part number 12P1732X082, is a specialized RTD (Resistance Temperature Detector) input card designed for the DeltaV™ M-series I/O subsystem. This module functions as a precision interface between field temperature sensors and the distributed control system (DCS). It is engineered to convert low-resistance signals from RTD sensors into digital temperature data that the DeltaV controller can process for high-accuracy thermal monitoring and control loops.

As a core component of the M-series hardware line, the KJ3002X1-BF1 provides essential signal conditioning and linearization for various RTD types. While the series reached its end-of-life status in late 2018, these modules remain vital for maintaining existing plant infrastructure in industries where temperature stability is critical to product quality and safety.

Technical Characteristics and Functionality

• Sensor Compatibility: Supports a wide range of standard RTD types, including Pt100 (Platinum 100 ohm) and other common resistance-based temperature probes.

• High-Resolution Conversion: Features high-accuracy analog-to-digital conversion with built-in linearization to ensure precise temperature readings across the entire sensor range.

• Lead Resistance Compensation: Utilizes 3-wire or 4-wire measurement techniques to automatically compensate for lead wire resistance, maintaining accuracy over long cable runs.

• Noise Rejection: Equipped with advanced filtering and galvanic isolation to protect signal integrity from electromagnetic interference (EMI) and ground loops common in industrial environments.

• Active Diagnostics: Continuously monitors for sensor failures, open circuits, or short circuits, reporting specific fault conditions to the DeltaV diagnostic console.

• Hot-Swappable Design: Can be installed or removed under power without interrupting the operation of other I/O cards on the same carrier.

Technical Specifications

• Manufacturer: Emerson Process Management

• Model Identification: KJ3002X1-BF1

• Order Number: 12P1732X082

• Module Type: 8-Channel RTD Input Card

• Hardware Series: DeltaV M-series

• Isolation: Field-to-system galvanic isolation

• Operating Temperature: -40 to 70 °C

• Dimensions: 4.1 cm x 12.4 cm x 10.4 cm

• Net Weight: 0.2 kg

• Country of Origin: USA

Industrial Application Areas

• Petrochemical Refining: Monitoring reactor bed temperatures and distillation column profiles.

• Pharmaceutical Manufacturing: Precise thermal control for fermentation and sterilization processes.

• Food and Beverage: Temperature regulation for pasteurization and cold storage systems.

• Power Generation: Bearing temperature monitoring for turbines and large rotating machinery.