HONEYWELL 51301874-100热电偶多路复用器逻辑板

51301874-100热电偶多路复用器逻辑板是一款用于低能量PIU (Process Interface Unit) 的热电偶多路复用器逻辑板，它主要用于将多个热电偶信号切换至低能量PIU（LEPIU）的CCFA。

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51301874-100热电偶多路复用器逻辑板特点和注意事项

特点：

Features:

Thermocouple signal switching: capable of switching up to 16 thermocouple signal inputs to LEPIU CCFA, allowing a single PIU to handle more temperature measurement points, thereby improving system efficiency and cost-effectiveness.

Reed Relay: This board uses reed relays to switch signals, which are selected for their low power consumption, fast switching, and high reliability.

Limited lifespan: Due to the use of reed relays, these relays have limited mechanical lifespan and may require regular inspection and replacement in frequently used applications.

Linearization function: LEPIU can linearize thermocouple signals from multiplexers, which helps improve the accuracy of temperature measurement.

Notes:

Installation location: Ensure that the multiplexer logic board is installed in a suitable location to avoid high temperatures, vibrations, or electromagnetic interference, which may affect signal quality and equipment lifespan.

Thermocouple compatibility: Confirm that the type of thermocouple connected is compatible with the multiplexer to avoid signal distortion or equipment damage caused by incompatibility.

Relay lifespan: Monitor the usage status of reed relays, predict and plan replacement cycles based on actual usage frequency to prevent sudden failures.

Maintenance and Inspection: Regular maintenance and inspection should be carried out to clean up accumulated dust, check if the connecting cables are intact, and ensure that all joints are in good contact.

Operation training: Operators should receive appropriate training on how to correctly use and maintain the multiplexer logic board, as well as how to perform preliminary diagnosis and emergency response in case of faults.

Thermocouple installation: The installation of thermocouples should follow the correct installation procedures to ensure that they accurately reflect the actual temperature of the measurement point and are not affected by external factors.

System compatibility: Ensure that the multiplexer logic board is compatible with other components of the entire system, including PIU, CCFA, and any control system software.

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