Foxboro RH101AA Resistor Module

Product Brief Introduction Foxboro RH101AA is a matching resistor module of Foxboro automation system. It is used for signal matching, impedance matching and circuit load processing in control loop, ensures signal integrity of field loop circuit in DCS system.
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Technical Specifications Rated operating voltage 24VDC. Working temperature ‑40℃ ~ +80℃. IP20 protection level.

Functional Features Loop impedance matching. Signal load adjustment. Suppress partial signal reflection interference. Compact modular structure for cabinet installation.

Application Scenarios DCS signal loop matching, petrochemical control loop, chemical plant instrument circuit, industrial automation cabinet signal conditioning.

Performance Parameters Precise resistance parameter, stable performance under long‑time load.

Structural Characteristics Small modular housing, wiring terminal interface, cabinet mounting structure.

Working Principle Access to control signal loop, adjust circuit impedance value, optimize signal transmission quality and reduce signal distortion.

Installation Requirements Install on DIN rail inside control cabinet. Fasten wiring terminals. Ambient temperature keep within working range.

Usage Notes Confirm resistance parameter matches loop requirement. Check wiring tightness regularly. Avoid over‑temperature operation.




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