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Emerson 12P3903X012 KJ3223X1-BA1 Analog Input CHARM
Product Overview
- The Emerson 12P3903X012, also referenced as KJ3223X1-BA1, is an Analog Input Characterization Module (CHARM) designed for the DeltaV Distributed Control System (DCS) with S-series Electronic Marshalling. This module processes 4-20 mA analog input signals with HART communication from field devices such as pressure, temperature, or flow transmitters for process control applications. It is widely used in industries like oil and gas, chemical, and power generation, offering flexible integration with DeltaV systems through Electronic Marshalling.
Technical Specifications
- The 12P3903X012 (KJ3223X1-BA1) has the following specifications based on Emerson documentation and industry sources:
| Specification | Details | 
|---|---|
| Model/Part Number | 12P3903X012 (KJ3223X1-BA1) | 
| Manufacturer | Emerson | 
| Description | AI 4-20 mA HART CHARM | 
| Series | DeltaV S-series (CHARM) | 
| Input Type | 4-20 mA analog input with HART (2-wire or 4-wire devices) | 
| Input Range | 4-20 mA (linear scaling) | 
| Accuracy | ±0.1% of span | 
| Resolution | 16-bit A/D converter | 
| CHARM Power Requirement | Max. 30 mA at 24 VDC | 
| Isolation | Galvanic isolation (field to system, 250 V RMS) | 
| Loop Power | 24 VDC loop power for 2-wire transmitters (with appropriate terminal block) | 
| HART Support | Supports HART communication for device diagnostics and configuration | 
| Environmental Specifications | Ambient Temperature: -40°C to +70°C Shock: 10 g ½ sine wave for 11 ms Vibration: 1 mm peak to peak from 2 to 13.2 Hz; 0.7 g from 13.2 to 150 Hz Airborne Contaminants: ISA-S71.04–1985 Class G3 Relative Humidity: 5% to 95% non-condensing | 
| Dimensions | Approx. 30 mm x 30 mm x 130 mm | 
| Weight | Approx. 0.1 kg | 
| Mounting | CHARM baseplate (e.g., SS3001 KL4103X1-BA1, DIN rail-mounted) | 
Additional Details
- The 12P3903X012 includes the following additional information based on Emerson documentation and industry sources:
- Function: Processes 4-20 mA analog input signals with HART communication, converting them into digital signals for DeltaV process control; supports Electronic Marshalling to simplify wiring and enable flexible I/O assignment; HART functionality allows for device diagnostics, configuration, and real-time monitoring.
 
           
     
     
     
     
     
     
     
    