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The Honeywell MC-PLAM02 (Part Numbers: 51304362-150 / 51120493-101) is a specialized Low Level Analog Multiplexer (LLMux) Processor used within the Honeywell Distributed Control System (DCS). This module is designed for the high-density acquisition of extremely sensitive...
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The Honeywell MC-PLAM02 (Part Numbers: 51304362-150 / 51120493-101) is a specialized Low Level Analog Multiplexer (LLMux) Processor used within the Honeywell Distributed Control System (DCS). This module is designed for the high-density acquisition of extremely sensitive millivolt signals, primarily from thermocouples (TC) and resistance temperature detectors (RTDs). It is supplied in 100% brand-new, original factory condition, ensuring the critical signal integrity and thermal compensation needed for precise temperature data in industrial process loops.
| Parameter | Details |
|---|---|
| Model Number | MC-PLAM02 |
| Part Numbers | 51304362-150 / 51120493-101 |
| Dimensions | 15.1 cm x 3.8 cm x 13.0 cm |
| Weight | 0.6 kg |
| Signal Compatibility | Low Level Analog (Millivolts, TC, RTD) |
| Condition | 100% Brand New Original |
High-Resolution Signal Aggregation: The MC-PLAM02 multiplexes multiple low-level inputs into a single processor stream, allowing the DCS to monitor a large array of sensors without the need for individual high-cost analog input channels for each point.
Superior Thermal EMF Suppression: The processor features solid-state switching components that minimize parasitic voltage offsets, crucial for thermocouple measurements, maintaining microvolt-level accuracy.
Integrated Noise Filtering: Advanced onboard circuitry effectively rejects 50/60 Hz power line interference and high-frequency electromagnetic noise, ensuring clean, stable data transmission to the DCS, even in electrically noisy industrial environments.
Synchronized Cold Junction Compensation: The MC-PLAM02 works seamlessly with the Field Termination Assembly (FTA) to provide real-time cold junction compensation, ensuring accurate temperature readings despite fluctuating ambient temperatures in the marshalling cabinet.
Optimized Space Efficiency: With a slim 3.8 cm profile, this processor allows for high-density mounting within standard Honeywell I/O carriers, reducing the overall footprint of the temperature monitoring system.
What is the difference between part 51304362-150 and 51120493-101?
Both part numbers represent different revisions or sub-assembly components of the same MC-PLAM02 module. Both parts are fully compatible within the Honeywell TDC 3000 and Universal Control Network (UCN) architectures. Always verify with your system’s Bill of Materials (BOM) for exact matching requirements.
Can the MC-PLAM02 handle 4-20mA signals?
No, the MC-PLAM02 is a Low Level processor designed specifically for millivolt-range signals (i.e., thermocouples). For 4-20mA or 1-5V signals, you should use a High Level Analog Input module like the MC-TAIH52.
Is external calibration required for this new module?
The MC-PLAM02 arrives factory-calibrated to Honeywell’s stringent standards. However, it’s considered best practice to perform a loop check during commissioning to ensure the scaling in the DCS software aligns with the field sensor's range.
How do I confirm this unit is original and brand new?
Each MC-PLAM02 ships in its original Honeywell factory packaging, with intact tamper-evident seals, matching serial numbers, and "Made in USA" documentation, guaranteeing its authenticity and 100% brand-new status.
