The Emerson KJ3221X1-BA1 (also identified as VE4005S2B2 or 12P2531X092) is a high-performance 8-channel Analog Output module engineered for the DeltaV M-Series automation system. This module provides precise 4-20 mA current signals to control field actuators, valves, and positioners. It features integrated HART digital communication, enabling advanced device diagnostics, configuration, and proactive asset management. Designed for mission-critical reliability, it is suitable for demanding industrial environments including oil and gas refining, chemical processing, and power generation.
This module is specifically designed for use within the Emerson DeltaV M-Series distributed control system (DCS). It is commonly utilized for controlling final control elements such as pneumatic control valves, I/P transducers, and other 4-20 mA field instruments that require HART-based diagnostic capabilities.
| Model | KJ3221X1-BA1 (VE4005S2B2) |
| Product Type | 8-Channel Analog Output Card (HART) |
| Local Bus Power | 12 VDC at 150 mA |
| Bussed Field Power | 24 VDC at 300 mA |
| Field Circuit Rating | 24 VDC at 23 mA per channel |
| Operating Temperature | -40 to +70 deg C |
| Humidity | 5 to 95 percent (Non-Condensing) |
| Hazardous Ratings | II 3G Ex nA IIC Gc / II 3G EEx nL IIC |
| Certifications | FM12ATEX0090U, IECEx FMG 12.0035U, Nemko 02ATEX431U |
| Protection Rating | IP 20 |
| Vibration/Shock | 10g Shock; 1mm Peak-to-Peak (2-13.2 Hz) |
Yes, the KJ3221X1-BA1 supports full HART digital communication, allowing for pass-through of diagnostic data from field devices to the DeltaV control system.
Removal and insertion under power (RIUP) is strictly regulated. You must ensure the area is non-hazardous and that all field circuits are de-energized before attempting to remove or install the module.
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