Emerson DeltaV KJ3223X1-EA1 12P2867X022 Analog Output Module

Technical Dossier

Product Details And Specifications

Emerson DeltaV KJ3223X1 Series Technical Notes

The Emerson DeltaV KJ3223X1 series represents a core analog output subsystem within the DeltaV S-Series distributed control system (DCS) platform. Deployed across global heavy industry — including petrochemical complexes, nuclear power stations, offshore oil & gas platforms, and large-scale refinery operations — the KJ3223X1 family provides field-proven 4–20 mA analog output capability with HART pass-through communication. Its modular architecture integrates directly into the DeltaV S-Series I/O subsystem via the standard carrier/marshalling infrastructure, making it a long-cycle asset in facilities with 20–30 year operational horizons.

The KJ3223X1-EA1 (part number 12P2867X022) is an 8-channel, 4–20 mA analog output module rated for use in Class I, Division 2 hazardous locations. It communicates over the DeltaV I/O bus and supports HART revision 5/6 field device communication on each channel independently. Operating temperature range: 0°C to 60°C. Power consumption: 1.5 W typical. Module dimensions conform to the standard DeltaV S-Series form factor for direct carrier-slot replacement.

The Evolution of KJ3223X1 Architecture

The DeltaV S-Series I/O platform was introduced by Fisher-Rosemount (subsequently acquired by Emerson Electric in 1999) as a successor to the earlier RS3 and PROVOX DCS platforms. The KJ3223X1 analog output module was developed as part of the initial S-Series I/O catalog, targeting facilities requiring dense analog output density with integrated HART diagnostics — a capability absent in the predecessor RS3 AO cards.

Early revisions of the KJ3223X1 (suffix -BA1, -CA1) operated under DeltaV firmware versions 5.x–7.x and used a parallel backplane bus architecture. The -EA1 revision introduced enhanced EMI shielding, revised output driver circuitry for improved loop compliance voltage (up to 24 VDC at 20 mA), and compatibility with DeltaV firmware 8.x through 14.x and beyond. The -EA1 revision also introduced extended HART polling capability, enabling simultaneous multi-variable reads from HART 6 field devices.

As DeltaV evolved into the DeltaV Distributed Control System version 13/14 (supporting Electronic Marshalling via CHARM I/O), the KJ3223X1 S-Series modules remained fully supported in legacy S-Series carrier configurations. Facilities running mixed S-Series and CHARM architectures commonly maintain KJ3223X1 modules in service for existing hardwired loops while migrating new loops to CHARMs. The KJ3223X1 series is now in the mature/sustaining phase of its lifecycle; Emerson continues to manufacture and support the -EA1 revision but has not introduced new hardware revisions since approximately 2015.

KJ3223X1 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified members of the Emerson DeltaV S-Series Analog Output and related I/O module catalog. Each entry reflects a distinct hardware revision or functional variant within the DeltaV S-Series I/O ecosystem.

Analog Output Modules (AO)

• KJ3223X1-BA1 (12P2867X012): 8-ch 4–20 mA AO, HART 5, early S-Series revision, DeltaV v5–v7 compatible.
• KJ3223X1-CA1 (12P2867X018): 8-ch 4–20 mA AO, HART 5/6, mid-series revision with revised output driver.
• KJ3223X1-EA1 (12P2867X022): 8-ch 4–20 mA AO, HART 5/6, enhanced EMI shielding, DeltaV v8–v14+ compatible. Current production revision.
• KJ3224X1-BA1 (12P2868X012): 8-ch 4–20 mA AO with IS (Intrinsically Safe) barrier integration, HART 5.
• KJ3224X1-EA1 (12P2868X022): 8-ch 4–20 mA AO IS, HART 5/6, current IS-rated AO revision for Zone 0/1 field devices.

Analog Input Modules (AI)

• KJ3221X1-BA1 (12P2865X012): 8-ch 4–20 mA AI, HART 5, standard S-Series analog input, early revision.
• KJ3221X1-EA1 (12P2865X022): 8-ch 4–20 mA AI, HART 5/6, current production revision, DeltaV v8–v14+.
• KJ3222X1-BA1 (12P2866X012): 8-ch 4–20 mA AI IS, HART 5, intrinsically safe analog input.
• KJ3222X1-EA1 (12P2866X022): 8-ch 4–20 mA AI IS, HART 5/6, current IS-rated AI revision.

Discrete Input / Output Modules (DI/DO)

• KJ3211X1-BA1 (12P2855X012): 8-ch 24 VDC DI, standard S-Series discrete input, early revision.
• KJ3211X1-EA1 (12P2855X022): 8-ch 24 VDC DI, current revision, DeltaV v8–v14+.
• KJ3212X1-BA1 (12P2856X012): 8-ch 24 VDC DO, 0.5 A per channel, standard discrete output.
• KJ3212X1-EA1 (12P2856X022): 8-ch 24 VDC DO, 0.5 A per channel, current revision.
• KJ3213X1-BA1 (12P2857X012): 8-ch 120 VAC DI, high-voltage discrete input module.
• KJ3214X1-BA1 (12P2858X012): 8-ch relay DO, SPDT contacts, 2 A per channel, for high-current switching applications.

Controller & Communication Modules

• KJ2003X1-BA1 (12P1535X012): DeltaV S-Series Controller, redundant-capable, manages up to 100 I/O modules per subsystem.
• KJ2003X1-CA1 (12P1535X018): DeltaV S-Series Controller, enhanced memory, DeltaV v10+ compatible.
• KJ2005X1-BA1 (12P1537X012): DeltaV S-Series I/O Bus Interface, connects S-Series I/O subsystem to DeltaV controller network.

Quality Control for the KJ3223X1 Range

Each KJ3223X1 module processed by DriveKNMS undergoes a structured inspection and functional test protocol specific to the DeltaV S-Series backplane and I/O bus architecture:

• Visual Inspection: PCB examination for corrosion, capacitor bulge, solder joint integrity, and connector pin condition on the 96-pin DIN backplane connector.
• Backplane Bus Communication Test: Module is seated in a live DeltaV S-Series test carrier and polled via DeltaV Diagnostics to confirm I/O bus enumeration and module identity response.
• Channel-Level Output Verification: All 8 analog output channels are individually loaded with a calibrated 250 Ω resistor and driven through the full 4–20 mA range. Output accuracy is verified against the module's published ±0.1% of span specification.
• HART Communication Test: A HART 6 field device simulator is connected to each channel to verify HART polling, variable read, and write-back functionality.
• Thermal Soak: Modules are operated at 50°C for 4 hours under continuous output cycling to screen for latent thermal failures.
• Firmware Revision Logging: Hardware revision suffix and internal firmware version are recorded and included with each unit's test certificate.