FBM204

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November 24, 2025
Category Connection: Foxboro Module
Brief: Let’s dive in — see this solution in action and notice the key moments. This video provides a detailed walkthrough of the FOXBORO FBM204 I/O Interface Module, demonstrating its operation in Class G3 harsh environments. You'll see how its four analog input and four output channels integrate with field sensors and actuators, explore its galvanic isolation features, and learn about configurable options like conversion time and fail-safe behavior for industrial automation applications.
Related Product Features:
  • Provides four 0-20 mA DC analog input channels and four 0-20 mA DC analog output channels for seamless field device integration.
  • Features galvanically isolated input and output channels to ensure signal integrity and minimize interference.
  • Supports configurable options including conversion time, fail-safe behavior, and analog output fail-safe fallback data per channel.
  • Can run the Distributed PIDA (DPIDA) program for high-speed local control in fast control loop applications.
  • Electrically compatible with standard HART signals for hybrid analog-digital control environments.
  • Rugged design built for reliable long-term operation in Class G3 harsh industrial environments.
  • Compact form factor measuring 10.5 * 10 * 4 cm and weighing 0.3 kg for space-efficient installation.
  • Operates in temperatures from -20 to +70°C and withstands vibration up to 0.75g from 5 to 500 Hz.
FAQs:
  • What types of signals can the FBM204 analog input channels accept?
    The FBM204's four analog input channels can accept signals from standard 4-20 mA transmitters or self-powered 20 mA sources, providing flexibility for various field sensor connections.
  • How does the FBM204 ensure signal integrity in industrial environments?
    All input and output channels are galvanically isolated, which prevents interference across channels and ground, maintaining signal integrity even in electrically noisy industrial settings.
  • What control programs can the FBM204 module run?
    The module executes the Analog I/O application program with configurable options, and can alternatively run the Distributed PIDA (DPIDA) program for high-speed local control in fast control loop applications.
  • Is the FBM204 suitable for harsh industrial environments?
    Yes, the FBM204 is designed for Class G3 harsh environments as defined in ISA Standard S71.04, with robust construction that operates reliably in challenging industrial conditions.