Emerson DeltaV KJ3221X1-BA3 AO Module Brand New

Availability: 99 left in stock

Product Overview The Emerson KJ3221X1-BA3 functions as a high-precision Analog Output (AO) interface for DeltaV™ M-Series (Series 2) systems. This module delivers...

SKU: KJ3221X1-BA3

Manufacturer: Emerson
Product No.: KJ3221X1-BA3
Product Type: HART Communication
Product Origin: USA
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Emerson KJ3221X1-BA3 functions as a high-precision Analog Output (AO) interface for DeltaV™ M-Series (Series 2) systems. This module delivers eight isolated 4–20 mA signals to drive critical field assets such as control valve positioners, I/P converters, and variable speed drives. By incorporating integrated HART® communication, the KJ3221X1-BA3 enables bi-directional digital data flow, allowing engineers to perform remote calibration and retrieve predictive diagnostics from smart field instruments. We supply this module as 100% Brand New original equipment to ensure maximum loop stability and high availability in hazardous-area industrial environments.

Technical Specifications

Feature	Details
Manufacturer	Emerson (USA)
Model Number	KJ3221X1-BA3
Series	DeltaV™ M-Series (Series 2)
Output Type	Analog Output (AO)
Number of Channels	8 Channels
Signal Range	4–20 mA with HART®
Resolution	12-bit D/A Conversion
Accuracy	±0.1% of Span
Load Resistance	0–750 Ω
Operating Temp	–40°C to +70°C
Isolation	Channel-to-System Galvanic Isolation
Diagnostics	Open-circuit, Short-circuit, & HART Status
Mounting	DeltaV I/O Carrier Slot

Engineering Advantages

Smart Device Management: The integrated HART® protocol allows the DeltaV system to pass digital configuration commands and receive device health alerts over the standard 4-20mA loop. This functionality eliminates the need for technicians to enter hazardous areas for routine calibration or troubleshooting.
Deterministic Precision: The module maintains ±0.1% accuracy across the entire output span. This precision ensures tight control over valve positioning, reducing process variability and enhancing overall production efficiency in chemical and power plants.
Hot-Swappable Reliability: The KJ3221X1-BA3 supports "Hot-Swapping," which allows maintenance teams to replace a module under power. This feature ensures the remaining control system continues to operate without interruption, effectively preventing unplanned downtime during hardware maintenance.
Robust Thermal Performance: Engineered for survival in extreme climates, this module operates reliably from –40°C to +70°C. Its ruggedized construction withstands the high vibration and corrosive atmospheres typical of offshore platforms and refinery perimeters.
Real-Time Fault Detection: Built-in diagnostics continuously monitor the integrity of the field wiring. The module identifies and reports open-circuits or short-circuits instantly, allowing the DeltaV system to trigger safe-state logic or alert operators before a control loop fails.

FAQs

Can the KJ3221X1-BA3 drive high-impedance loads?

Yes. The module supports a maximum load resistance of 750 Ω at 20 mA. This capability allows for longer cable runs between the control room and the field device without signal degradation or loss of HART® communication.
Is this module compatible with DeltaV S-Series (Horizontal) carriers?

No. The KJ3221X1-BA3 is designed specifically for the M-Series (Vertical) carrier architecture. If you are using S-Series hardware, you will require the corresponding S-Series analog output module to match the carrier footprint.
Does this card support redundancy?

Yes. When installed on a redundant M-Series I/O carrier, two KJ3221X1-BA3 modules work in a primary/standby configuration. This setup ensures that if the active card fails, the standby card takes control of the 4-20mA loops seamlessly.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.