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The KJ3002X1-BG1 is a high-precision analog input card designed for the Emerson DeltaV distributed control system (DCS). This module specializes in millivolt (mV) signal acquisition, specifically tailored for temperature measurement via thermocouples.
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The KJ3002X1-BG1 is a high-precision analog input card designed for the Emerson DeltaV distributed control system (DCS). This module specializes in millivolt (mV) signal acquisition, specifically tailored for temperature measurement via thermocouples.
Featuring eight fully isolated channels, the KJ3002X1-BG1 ensures that field-side electrical noise and ground loops do not interfere with process data integrity. This isolation is critical for maintaining high-tier accuracy required for thermal monitoring in chemical processing, refining, and power generation environments.
| Specification | Details |
|---|---|
| Model Identification | KJ3002X1-BG1 |
| Signal Input Type | Thermocouple / Millivolt (mV) |
| Input Density | 8 Isolated Analog Input Channels |
| Local Bus Power Requirement | 12 Vdc at 350 mA |
| Field Signal Range | Low-level mV (standard thermocouple curves) |
| Operating Temperature Range | 0°C to 60°C (32°F to 140°F) |
| Physical Weight | 0.15 kg |
| Mounting Compatibility | Standard M-Series I/O Terminal Block |
The KJ3002X1-BG1 is engineered for plug-and-play integration into DeltaV I/O carriers. Its isolated architecture provides a robust defense against common-mode voltage, which is frequently encountered when thermocouple wires are routed alongside high-voltage power cables.
By converting analog mV signals into digital data directly at the module level, the KJ3002X1-BG1 delivers stable, drift-resistant temperature readings to the DeltaV controller, enabling tighter process control and more responsive safety interlocks.
Q: Does the KJ3002X1-BG1 support Cold Junction Compensation (CJC)?
A: Yes, when used with the appropriate DeltaV terminal block, the module utilizes CJC to ensure temperature readings remain accurate regardless of ambient temperature at the termination point.
Q: Which thermocouple types can be used with this module?
A: The KJ3002X1-BG1 is compatible with standard thermocouple types such as J, K, T, E, R, S, B, and N, provided they are configured within the DeltaV software environment to match the mV input curve.
