KJ3221X1-BA1 | Emerson DeltaV Series 2 HART Analog Output
Manufacturer: Epro
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Part Number: KJ3221X1-BA1 12P2531X122
Condition：New with Original Package
Product Type: Analog Input (AI) Module
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Country of Origin: Germany
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson DeltaV KJ3221X1-BA1 12P2531X122 Series 2 Analog Output HART Module
The KJ3221X1-BA1 (Part Number: 12P2871X122 / 12P2531X122) is a Series 2 Analog Output (AO) module designed for the Emerson DeltaV™ Distributed Control System (DCS). While frequently categorized alongside input cards, the KJ3221X1-BA1 is a specialized output interface that converts digital control signals into 8 channels of 4-20mA analog current.
This module features integrated HART (Highway Addressable Remote Transducer) pass-through capability, allowing the DeltaV system to communicate digitally with smart field devices such as valve positioners and actuators. By utilizing the KJ3221X1-BA1 (Model: KJ3221X1-BA1), engineers can perform remote calibration, device configuration, and predictive maintenance diagnostics without interrupting the primary analog control signal. This functionality is essential for high-availability process industries, including oil and gas refining, chemical processing, and power generation.
Detailed Technical Specifications
The KJ3221X1-BA1 (Part Number: 12P2531X122) is engineered for reliability and precision in high-density control environments.
| Feature | Details |
| Manufacturer | Emerson Automation Solutions |
| Model Number | KJ3221X1-BA1 |
| Part Number | 12P2531X122 |
| Product Line | DeltaV™ Series 2 DCS |
| Module Type | Analog Output (AO) with HART |
| Output Channels | 8 Isolated Analog Channels |
| Signal Range | 4–20 mA DC |
| Resolution | 16-bit Digital-to-Analog (D/A) conversion |
| Accuracy | $\pm$0.1% of full scale typical |
| Isolation | 1500 VDC galvanic isolation (Channel-to-System) |
| HART Support | HART Pass-through for device diagnostics |
| Power Supply | 24 VDC nominal (via LocalBus backplane) |
| Operating Temp | 0°C to +60°C |
| Dimensions | 4.4 cm $\times$ 10.8 cm $\times$ 11.4 cm |
| Weight | 0.2 kg (Module Net) / 1.0 kg (Shipping) |