EMERSON DeltaV KJ1501X1-BA2 Thermocouple/millivolt analog input module

EMERSON DeltaV KJ1501X1-BA2

This is an 8-channel, thermocouple/millivolt analog input electronic module. It converts and isolates the weak millivolt voltage signals generated by field thermocouple sensors into digital signals that can be recognized and processed by the DeltaV control system.

Detailed Product Description

1. Product Positioning & System Role

The KJ1501X1-BA2 is part of the DeltaV S-series I/O system, specifically belonging to the CHARM I/O series. CHARM stands for “Characterization Module,” and its design philosophy integrates signal conditioning, isolation, and conversion functions into a small, pluggable module.

• Role: It is installed in a DeltaV I/O card cage, acting as the bridge between field thermocouple sensors and the DeltaV controller.

• Purpose: To achieve high-precision and highly reliable monitoring of temperature, a critical process variable.

2. Key Technical Features

• Signal Types:

  • Thermocouples: Supports all common thermocouple types, such as J, K, T, E, N, R, S, B, C, etc.

  • Millivolt Signals: Can also accept standard millivolt analog signals (e.g., ±50mV).

• Channel Count: 8 independent input channels.

• Isolation: Channel-to-Channel Isolation and Field-to-System Isolation. This is one of its most critical features, meaning:

  • Each channel is electrically isolated from the others; a fault on one channel will not affect the others.

  • Hazardous signals from the field (like high voltage or surges) are isolated and prevented from entering the control system side, significantly enhancing safety and reliability.

• HART Support: Supports HART protocol communication. If connected transmitters or smart instruments are HART-enabled, additional device information (e.g., status, diagnostics) can be read or configured through this module.

• Hot Swappable: Allows for module installation or removal while the system is powered on, facilitating maintenance and upgrades while minimizing downtime.

• Status Indication: The module features LED indicators that provide a clear visual display of module power, communication status, and individual channel faults.

3. Physical Structure & Components

A complete KJ1501X1-BA2 unit typically consists of two parts:

• Base: Fixed onto the DeltaV I/O card cage, providing electrical connection and communication with the backplane.

• Pluggable Module: The KJ1501X1-BA2 unit itself, which contains all the electronic components and signal processing circuits. It is secured to the base by a mechanical latch.

4. How It Works

1. Signal Acquisition: A field thermocouple sensor converts temperature into a tiny millivolt voltage signal, which is connected to the module’s terminals via shielded cable.

2. Signal Conditioning & Isolation: The module’s internal circuitry amplifies and filters the signal, and electrically isolates the field signal from the system-side signal via an isolation barrier.

3. Analog-to-Digital Conversion: The conditioned analog voltage signal is converted into a high-precision digital value.

4. Cold Junction Compensation: The module has a built-in cold junction compensation circuit to correct for measurement errors caused by temperature changes at the module’s terminals.

5. Linearization & Processing: Based on the thermocouple type (e.g., Type K, Type S) configured in the DeltaV engineering software, the digital value is converted into the corresponding engineering unit temperature value (e.g., °C or °F).

6. Data Transmission: The processed temperature data is sent via the backplane to the DeltaV controller for use in control logic or for display on the operator interface.

5. Application Scenarios

The KJ1501X1-BA2 is widely used in industrial processes requiring precise temperature monitoring and control, such as:

• Chemical Industry: Reactor temperature, distillation column temperature, pipeline temperature.

• Oil & Gas: Tank farm temperature, refining process temperature.

• Pharmaceutical Industry: Bioreactor temperature, sterilizer temperature, cleanroom temperature monitoring.

• Power Industry: Boiler temperature, superheated steam temperature.

• Food & Beverage: Pasteurization temperature, fermentation vessel temperature.

Sales of the brand:

ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.

☀️Tara(Sales Director)

?Tel: + 86-13806028623

?Whatsapp:+86-13806028623

?Email: ydf8801@163.com

?️Ship to you via DHL/TNT/UPS/EMS/Fedex

?Product Condition: One-year warranty

requently Asked Questions:
1. How long does it take to receive the goods?
We have stock in stock and can accept same-day payment and delivery!

2. What payment methods do you accept?
There are many methods (T/T…) for you to choose from, and you can choose whatever you want.

3. Is there after-sales service?
Of course, if our products are brand new, they have a one-year warranty!

4. What courier services do you accept? We offer SF Express, DHL, and other international express delivery options.

5. How can I contact you?

You can contact me 24/7 via WeChat, Skype, WhatsApp, LINE, and my email!

Company Profile

Xingchuang Ronghe (Fuzhou) Electric Co., Ltd. is a company specializing in the sales and technical services of spare parts for the world’s top industrial automation systems. With our profound industry experience and stable supply channels, we provide domestic and foreign customers with original, authentic, complete models, and fast-delivered precision spare parts solutions. We are your reliable partner in ensuring production continuity and stability.

We specialize in distributing the following core brands and product lines:

ABB

•  Process Control: ABB DCS process control system full range of components.
• ABB FreeLance AC800F power modules: SA801F/SA811F/SD802F/SD812F, EI811F/ABB EI812F/ABB EI813F, etc.
• ABB S800 analog I/O modules: AI801/AI810/AI825/AO801/AO845/AO895
• ABB S800 digital I/O modules: DI801/DI810/DO801/DO810

Bently Nevada
3500 Module Mainboards: 3500/42, 3500/45, 3500/40, 3500/50, etc.
(CPU Modules): 3200/32, 3500/25
3500 Module Minimum Cards: 128229-01, 128229-01, 133442-01, 125800-01, 167699-02, etc.
Extension Cables: 330850-50-05 (for preamplifier), 330730-040-00-00, 330103-00-06-10-02-00, etc.

EPRO

•  MMS6000 TSI System: MMS6110/MMS6210/MMS6220 series monitoring modules.
  Sensors: Proximitor sensors CON011, CON021, CON031, etc

GE

• PLC Systems: IC693, IC695, and IC697 Series Modules.
• Drives and Protection: GE DRIVE SYSTEMS Series Inverters, SR Integrated Protection Frame Series.

Rexroth

• Drives and Motors: Full range of Rexroth servo drives and controllers; models include: servo motor 2AD160B-B0350R2-BS03-D2V1, MSK040C-0600-NN-M1-UP1-NSNN, etc.
• Rexroth communication boards and amplifier boards: MTS-P01.2-D2-B1-E1-NN-NN-FWEP, VT-VPCD-1-1X/V0/1-0-1, VT5006-17B, etc.

Siemens

· Process Instruments and Controllers: Siemens MOORE series, common models include: QLCDM024DCBAN, 39ACM24BEN, 39AC12T4V1, 16114-171, etc.
· Automation Systems: Full range of SIMATIC S5 PLCs, SIMATIC S7-400 CPU modules and expansion modules, Simatic C7 systems, and various Siemens touch screens.