Description
Overview
The KJ3222X1‑BA3 analog input module is part of Emerson’s DeltaV SIS Traditional I/O family, designed to acquire high‑accuracy analog signals from field instruments in mission‑critical process environments. Its rugged construction, wide operating temperature range, and robust electrical design make it suitable for installation close to process equipment, even in harsh industrial conditions.
Technical Specifications
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Model: KJ3222X1‑BA3
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Product Type: Analog Input Module (AI)
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System Compatibility: DeltaV SIS / DCS
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Input Channels: 8‑channel 4–20 mA, HART‑enabled
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Local Bus Power: 12 VDC, approx. 150 mA
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Field Power: 24 VDC, approx. 300 mA
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Channel Load: 30 mA per channel
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Operating Temperature: −40°C to +70°C
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Shock Resistance: 10 g, 11 ms pulse
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Vibration Resistance: 1 mm peak‑to‑peak or 0.7 g
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Humidity Tolerance: Up to 95% RH, non‑condensing
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Contaminant Rating: ISA‑S71.04 G3
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EMI/EMC: Shielded design for high‑noise environments
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Installation: Hot‑swappable; keyed terminal block alignment
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Diagnostics: LED indicators for module and channel status
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Dimensions: 4.3 × 12.5 × 18.5 cm
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Weight: 0.4 kg
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HS Code: 8537101190
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Origin: USA
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Condition: Brand new
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Availability: In stock
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Lifecycle Status: Active
Functional Description
The KJ3222X1‑BA3 module provides reliable analog signal acquisition for safety and control applications. Each channel supports 4–20 mA inputs with HART communication, enabling both process measurement and device diagnostics. The module’s rugged mechanical and electrical design ensures stable operation near rotating machinery, high‑vibration equipment, and electrically noisy environments.
Its keyed terminal block system prevents wiring mismatches, while hot‑swap capability allows maintenance without shutting down the system. The module’s EMI‑shielded housing preserves signal integrity, and onboard diagnostics simplify troubleshooting during commissioning and operation.
Application Scenarios
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Field‑mounted analog signal acquisition
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Oil and gas production and refining
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Chemical and petrochemical processing
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Power generation and turbine control
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Safety instrumented systems (SIS)
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High‑vibration or outdoor field enclosures
Model Comparison
| Model |
Channels |
Signal Type |
System |
Typical Use |
| KJ3222X1‑BA3 |
8 AI |
4–20 mA + HART |
DeltaV SIS |
Safety‑critical analog inputs |
| KJ3221X1‑BA1 |
8 DI |
Discrete |
DeltaV SIS |
Digital field signals |
| KJ3241X1‑BA1 |
8 AO |
4–20 mA |
DeltaV SIS |
Analog output control |
FAQ
Q: Does the KJ3222X1‑BA3 support HART pass‑through? A: Yes, each channel supports HART communication for device diagnostics and configuration.
Q: Can the module be replaced while the system is running? A: Yes, it supports hot‑swap installation when used within a compatible DeltaV SIS carrier.
Q: Is this module suitable for corrosive or outdoor environments? A: Its G3 contaminant rating and wide temperature range make it suitable for harsh field installations.
