Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The Emerson KJ3224X1-BA1 Thermocouple Module is a high-performance Temperature Input Module designed for the Emerson DeltaV™ Distributed Control System (DCS). Engineered for precise industrial temperature measurement, the module receives signals from thermocouple sensors and converts them into digital process data for real-time monitoring, control, and optimization of critical industrial processes.
The KJ3224X1-BA1 serves as the interface between thermocouple field sensors and the DeltaV controller. It continuously acquires low-level thermocouple signals, performs signal conditioning and cold junction compensation, and transmits accurate temperature information to the control system. This enables reliable temperature monitoring for production processes requiring high measurement accuracy and long-term stability.
Designed for continuous industrial operation, the module incorporates comprehensive diagnostics that monitor channel status, sensor conditions, communication integrity, and overall module health. These diagnostic capabilities help maintenance personnel quickly identify open thermocouple circuits, wiring faults, abnormal temperatures, and communication problems, minimizing process interruptions and improving plant reliability.
With compact dimensions of 130 × 35 × 110 mm and an approximate weight of 0.45 kg, the KJ3224X1-BA1 is ideal for installation in high-density DeltaV control cabinets where reliable temperature monitoring and efficient use of cabinet space are essential.
Typical applications include oil and gas production, petrochemical plants, chemical processing, power generation, pharmaceutical manufacturing, food and beverage processing, pulp and paper mills, mining operations, metal processing, and water and wastewater treatment facilities.
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model | KJ3224X1-BA1 |
| Product Type | Thermocouple Module |
| Automation Platform | Emerson DeltaV DCS |
| Primary Function | Thermocouple temperature signal acquisition |
| Input Type | Thermocouple inputs |
| Signal Processing | Temperature measurement with cold junction compensation |
| Communication | DeltaV system communication |
| Diagnostics | Channel and module diagnostics |
| Installation | DeltaV I/O subsystem |
| Mounting Method | Modular installation |
| Dimensions | 130 × 35 × 110 mm |
| Weight | 0.45 kg |
| Typical Application | Industrial temperature monitoring |
The Emerson KJ3224X1-BA1 receives millivolt signals generated by thermocouple sensors, compensates for reference junction temperature, converts the signals into digital values, and transfers the temperature data to the DeltaV controller.
Typical signal architecture:
Thermocouple Sensors
↓
KJ3224X1-BA1 Thermocouple Module
↓
DeltaV Controller
↓
Operator & Engineering Workstations
↓
Industrial Process
During operation, the module performs the following functions:
The module functions as the temperature measurement interface, while process control strategies and automation logic are executed by the DeltaV controller.
Within a DeltaV automation system, the KJ3224X1-BA1 functions as the dedicated temperature acquisition interface between thermocouple sensors and the controller.
Typical automation architecture:
Thermocouple Temperature Sensors
↓
KJ3224X1-BA1 Thermocouple Module
↓
DeltaV Controller
↓
Operator Workstations
↓
Industrial Process
Its primary responsibilities include:
Typical applications include:
Suitable for:
Common applications include:
Applications include:
Typical applications include:
Frequently used in:
Before installation, engineers should verify:
Proper integration helps maximize temperature measurement accuracy and long-term reliability.
Verify that installed thermocouple types match the module configuration.
Use appropriate thermocouple extension wire and maintain correct polarity throughout the installation.
Ensure proper installation conditions to maintain accurate cold junction compensation.
Use proper grounding and shielded wiring to reduce electrical noise.
Regular inspection of thermocouples, wiring, terminals, diagnostics, and calibration improves long-term measurement accuracy.
| Component | Function |
|---|---|
| DeltaV Controller | Process control |
| KJ3224X1-BA1 | Thermocouple signal acquisition |
| DeltaV I/O Carrier | Module installation |
| DeltaV Power Supply | System power |
| Engineering Workstation | Configuration |
| Operator Workstation | Process monitoring |
| Thermocouple Sensors | Temperature measurement |
| Industrial Furnaces | Temperature-controlled equipment |
| Process Reactors | Temperature monitoring |
| Industrial Communication Network | System integration |
Routine maintenance should include:
Check:
Inspect:
Verify:
| Model | Product Type | Typical Application |
|---|---|---|
| KJ3224X1-BA1 | Thermocouple Module | Industrial temperature measurement |
| KJ3223X1-BK1 | Analog Input Card | General analog signal acquisition |
| KJ3222X1-BA1 | Analog Input Module | Process signal monitoring |
| KJ3221X1-BA2 | Analog Output Module | Process output control |
| DeltaV RTD Input Modules | RTD Input Module | Precision resistance temperature measurement |
When selecting an alternative module, engineers should evaluate sensor type, measurement accuracy requirements, controller compatibility, environmental conditions, and future expansion plans.
The KJ3224X1-BA1 is a Thermocouple Module designed for Emerson DeltaV Distributed Control Systems.
Its primary function is to acquire thermocouple temperature signals, perform cold junction compensation, and transmit accurate temperature data to the DeltaV controller.
The module measures 130 × 35 × 110 mm.
The module weighs approximately 0.45 kg.
The module is designed for compatible industrial thermocouple sensors used for process temperature measurement.
No. The KJ3224X1-BA1 functions as a temperature input interface. Process control logic is executed by the DeltaV controller.
It is widely used in oil and gas, petrochemical, chemical processing, power generation, pharmaceutical manufacturing, food and beverage processing, metal processing, mining, and water treatment industries.
Yes. It continuously monitors sensor status, channel performance, communication integrity, and module health.
Engineers should verify DeltaV compatibility, thermocouple type, wiring polarity, grounding, calibration requirements, engineering configuration, and environmental conditions.
Routine inspection of thermocouple sensors, wiring, calibration, diagnostics, grounding, and communication status helps ensure accurate temperature measurement and dependable long-term operation.
The Emerson KJ3224X1-BA1 Thermocouple Module is a reliable and high-precision temperature acquisition solution for Emerson DeltaV process automation systems. Featuring integrated cold junction compensation, comprehensive diagnostics, compact dimensions of 130 × 35 × 110 mm, and an approximate weight of 0.45 kg, it provides accurate thermocouple signal processing and dependable long-term performance.
When integrated with compatible DeltaV controllers, I/O carriers, engineering workstations, operator stations, industrial communication networks, thermocouple sensors, and power supplies, the KJ3224X1-BA1 delivers precise temperature monitoring, simplified maintenance, improved process stability, and reliable automation performance across a broad range of industrial applications.