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ABB CI920N 3BDS014113 Communication Interface for Industrial Automation
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Emerson KJ3002X1-BG1 Thermocouple Analog Input Module

Brand:Emerson Module
Item No.:KJ3002X1-BG1
Product Origin:USA
Product Dimensions:102 x 114 x 46 mm
Product Weight:0.15 kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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Introduction

The Emerson KJ3002X1-BG1 Thermocouple Analog Input Module is a specialized temperature acquisition solution designed for industrial automation systems requiring precise thermal monitoring. It bridges the gap between raw thermocouple sensor output and digital control logic, ensuring that temperature data is accurately captured, processed, and utilized for control decisions.

Its engineering focus is on measurement accuracy, signal stability, and industrial robustness, making it a critical component in temperature-sensitive process control loops.

Technical Specifications

ParameterDetails
ModelKJ3002X1-BG1
Module TypeThermocouple Analog Input Module
Input TypeThermocouple (mV signal)
Supported SensorsType J, K, T, E (typical)
Channel Count8 channels (typical configuration)
FunctionTemperature signal acquisition
Signal ProcessingCold junction compensation, linearization
System PlatformEmerson DeltaV DCS
Operating Temperature-40°C to +70°C
Storage Temperature-40°C to +85°C
Dimensions102 × 114 × 46 mm
Weight0.15 kg (0.33 lb)


Industrial Application Context

The Emerson KJ3002X1-BG1 Thermocouple Analog Input Module is designed for high-precision temperature measurement within Emerson DeltaV distributed control systems. It is widely used in industries such as oil & gas, chemical processing, power generation, metallurgy, and pharmaceutical manufacturing, where accurate thermal monitoring is essential for process stability and safety.

In real-world applications, this module interfaces directly with thermocouple sensors (types such as J, K, T, E, etc.), converting very low-level millivolt signals into digital data for the control system. These signals represent temperature variations in furnaces, reactors, pipelines, turbines, and other high-temperature industrial equipment. The module ensures accurate cold-junction compensation and signal linearization, enabling precise temperature control in demanding environments.

Unlike general analog input cards, this module is specifically optimized for thermocouple signal conditioning, making it highly suitable for critical temperature loops where stability and measurement accuracy directly impact product quality and safety.


Advantages

  • Direct Thermocouple Compatibility:
    Accepts multiple thermocouple types without external signal converters.
  • High-Accuracy Temperature Measurement:
    Ensures precise conversion of millivolt signals into stable digital values.
  • Cold Junction Compensation:
    Automatically compensates for ambient temperature variations at terminal points.
  • High Noise Immunity:
    Designed to operate reliably in electrically noisy industrial environments.
  • Integrated Signal Conditioning:
    Performs amplification, linearization, and filtering internally.
  • Seamless DeltaV Integration:
    Fully compatible with Emerson DeltaV I/O architecture for process control applications. 


Technical FAQs

  1. What is the primary function of the KJ3002X1-BG1?
    It converts thermocouple millivolt signals into digital temperature data.
  2. Which sensors can it support?
    Thermocouples such as Type J, K, T, E, and others depending on configuration.
  3. Does it require external signal conditioning?
    No, it includes built-in signal conditioning and compensation.
  4. What is cold junction compensation?
    It corrects temperature measurement errors caused by ambient terminal temperature changes.
  5. Is it suitable for high-temperature environments?
    Yes, it is designed for industrial high-temperature monitoring applications.
  6. How many channels does it typically support?
    Common configurations support 8 thermocouple input channels.
  7. What is the input signal level?
    Millivolt-level signals generated by thermocouples.
  8. Does it support other analog signals?
    It is optimized for thermocouples and may not be intended for standard 4–20 mA inputs.
  9. Is it isolated?
    Yes, it typically includes channel isolation for noise protection.
  10. What happens if a thermocouple wire is reversed?
    The reading will typically show an incorrect temperature trend or polarity error.


Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
Skype: +8617350837383
WhatsApp: +8617350837383
Business hours: We Provide Online Support 24/7
Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China

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