Description
Overview
The Emerson KJ3221X1‑BA1 (12P2531X122) VE4003S2B2 is a DeltaV M‑series analog input module designed for high‑accuracy 4–20 mA and HART signal acquisition. Built for seamless integration with DeltaV DCS architectures, it provides stable measurement performance, advanced diagnostics, and reliable communication between field instruments and the control system.
Its compact, modular design supports flexible system expansion and ensures dependable operation in demanding industrial environments.
Key Features
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4–20 mA analog input module with HART capability
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High‑resolution signal conversion for precise process monitoring
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Advanced diagnostics for wiring integrity, sensor health, and module status
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Supports redundant configurations for improved system availability
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Robust EMI/RFI immunity for harsh industrial conditions
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Hot‑swappable design for minimal downtime
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Compatible with VE4003S2B2 fused I/O termination block
Technical Specifications
| Parameter |
Specification |
| Model |
KJ3221X1‑BA1 |
| Part Number |
12P2531X122 |
| Terminal Block |
VE4003S2B2 |
| Product Type |
Analog Input HART Module |
| Input Channels |
8 analog inputs |
| Input Signal |
4–20 mA, HART protocol supported |
| Resolution |
16‑bit A/D conversion |
| Accuracy |
±0.1% of reading (typical) |
| Isolation |
Channel‑to‑bus and channel‑to‑channel |
| Diagnostics |
HART status, wiring faults, module health |
| Operating Temperature |
–40°C to +70°C |
| Storage Temperature |
–40°C to +85°C |
| Dimensions |
4.4 × 10.8 × 11.4 cm |
| Weight |
0.2 kg |
| System Compatibility |
DeltaV DCS |
| Country of Origin |
USA |
| HS Code |
8537101190 |
| Condition |
Brand New |
| Availability |
In Stock |
| Minimum Order |
1 unit |
Functional Description
The KJ3221X1‑BA1 (12P2531X122) module provides high‑accuracy analog input processing for DeltaV M‑series systems. It captures 4–20 mA process signals and HART digital data from field transmitters, converting them into reliable digital values for the DeltaV controller.
Its advanced diagnostics enable early detection of wiring issues, sensor faults, and module degradation, supporting predictive maintenance strategies. The VE4003S2B2 fused termination block ensures safe, stable wiring connections and simplifies field installation.
This module is widely used in process industries requiring precise measurement of pressure, temperature, flow, and level signals.
Application Scenarios
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Oil & gas upstream and refining operations
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Chemical and petrochemical process control
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Power generation and turbine auxiliary systems
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Water treatment and environmental monitoring
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Pharmaceutical and batch manufacturing
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Continuous process automation requiring HART diagnostics
FAQ
Q: Does this module support HART communication? A: Yes, it supports full HART signal acquisition and diagnostics.
Q: Can it be used in redundant configurations? A: Yes, it is compatible with DeltaV redundant I/O architectures.
Q: What type of signals does it accept? A: Standard 4–20 mA analog signals and HART digital data.
Q: Is the module hot‑swappable? A: Yes, it can be replaced without shutting down the system when installed in a supported DeltaV carrier.
