Module Overview and Primary Function
The KJ3222X1-BA1 12P2532X122 is a high-density analog input module from Emerson’s DeltaV process control portfolio. This module precisely converts field sensor signals into reliable digital data for the distributed control system. It handles key analog input types, including 4-20mA, 0-10V DC, and thermocouple signals. Consequently, it delivers critical process variable measurement for continuous monitoring and advanced control loops.
Detailed Technical Specifications
The Emerson KJ3222X1-BA1 12P2532X122 module is engineered for high-accuracy signal acquisition. The following table details its complete electrical, functional, and physical parameters.
| Specification Category | Detail |
|---|---|
| Manufacturer & Series | Emerson, DeltaV S-Series |
| Primary Part Number | KJ3222X1-BA1 |
| Alternate Part Number | 12P2532X122 |
| Module Type | High-Density Analog Input (AI) Module |
| Number of Channels | 16 Channels (typically, configurable) |
| Supported Signal Types | 4-20mA (active/passive), 0-10V DC, Thermocouple (J, K, T, etc.), RTD |
| Analog-to-Digital Resolution | 16-bit (minimum) for high measurement precision |
| Update Rate per Channel | Configurable, typically up to 10 samples per second |
| Input Impedance | > 1 MΩ for voltage inputs, 250 Ω for 4-20mA loop |
| Common Mode Rejection | > 120 dB at 50/60 Hz |
| Isolation | 1500 Vrms Channel-to-Channel and Field-to-System |
| Accuracy | ±0.05% of span (typical for voltage/current inputs) |
| Power Consumption | 1.8W (typical from backplane) |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Communication Interface | Integrated DeltaV Foundation Fieldbus or Native Backplane |
| System Compatibility | Emerson DeltaV DCS, Designed for Electronic Marshalling (CHARMs) |
| Typical Application | Pressure, Temperature, Level, and Flow Transmitter Input |
Design and Integration Benefits
This analog input module features advanced signal conditioning and diagnostic capabilities, including wire break and short-circuit detection. Its high level of isolation effectively prevents ground loops and ensures measurement integrity in electrically noisy plant environments. Furthermore, the module integrates seamlessly into the DeltaV system’s modular I/O structure, supporting hot swap for maintenance without process interruption. Engineers rely on it for mission-critical data acquisition in industries like refining, power generation, and chemical processing.
Application and Configuration Context
The KJ3222X1-BA1 12P2532X122 is a core component of Emerson’s scalable DeltaV architecture, often used with CHARMs for flexible I/O assignment. It connects directly to field devices in hazardous or general-purpose areas, providing a robust and configurable interface. This setup centralizes signal processing, reduces wiring complexity, and enables powerful onboard diagnostics for predictive maintenance and improved system availability.
Details
| Weight | 0.45 kg |
|---|---|
| Dimensions | 170 × 145 × 65 mm |



Reviews
There are no reviews yet.