Foxboro AD202MR Pneumatic Controller Module

Foxboro Module AD202MR

Overview

The Foxboro AD202MR is a pneumatic proportional controller designed for precise and reliable control of a wide range of industrial processes. It utilizes a force balance mechanism to accurately position a flapper assembly, modulating air pressure to a controlled device. This rugged and versatile controller has been a staple in process control applications for decades.

Features:

1. Simple and reliable design: The AD202MR employs a proven pneumatic force balance mechanism that provides dependable operation in demanding environments.
2. Versatile control capabilities: The controller offers proportional, reverse-acting, and non-bleed modes to suit various process control requirements.
3. Wide proportional band: The controller's wide proportional band allows for precise control over a broad range of process conditions.
4. Adjustable gain: The gain can be easily adjusted to optimize controller response for specific process dynamics.
5. Integral action option: Integral action can be incorporated to eliminate steady-state errors and enhance process stability.
6. Durable construction: The AD202MR is housed in a robust aluminum enclosure, ensuring protection against harsh industrial environments.

1. Input Signal: 3-15 psi (20.7-103.5 kPa)
2. Output Signal: 3-15 psi (20.7-103.5 kPa)
3. Air Supply Pressure: 20-60 psi (138-414 kPa)
4. Proportional Band: 20-400%
5. Gain: Adjustable
6. Integral Action: Optional
7. Operating Temperature: -40 to 140°F (-40 to 60°C)
8. Humidity: 0 to 95% non-condensing

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