Foxboro FBM207 P0914TD

Foxboro FBM207 P0914TD

Product Introduction
The FBM207 (P0914TD) is a 16-channel discrete input interface module designed for the Foxboro I/A Series. It is specifically engineered to monitor field voltages or sense the open/closed state of mechanical contacts, providing critical status information to the control system.

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Description

Foxboro FBM207 P0914TD

Technical Specifications

  • Channel Count: 16 isolated and independent input channels.
  • Voltage Monitor Range: 15 to 60 VDC for voltage monitoring applications.
  • Contact Sense Options: Supports 24 VDC (FBM207b) or 48 VDC (FBM207c) contact sensing.
  • Communication: Redundant 2 Mbps module fieldbus.

Functional Features

  • Dual Functionality: Operates as either a voltage monitor or a dry contact sensor based on configuration.
  • Configurable Filtering: Offers programmable debounce/filter times (No Filter, 4, 8, 16, or 32 ms) to adapt to different field conditions.
  • Fail-Safe Operation: Supports configurable fail-safe states to ensure process safety during communication loss.
  • Pulse Counting: Capable of accurate pulse counting with no missing pulses for rates between 0 and 250 Hz.

Application Scenarios
Ideal for monitoring power supply statuses, valve limit switch feedback, pump run statuses, and general discrete alarm inputs in petrochemical and power generation plants.

Performance Parameters

  • Logic One (On-State) Voltage: 15 to 60 VDC.
  • Logic Zero (Off-State) Voltage: 0 to 5 VDC.
  • Input Current: 1.4 mA typical at 5 to 60 VDC.

Material Composition
Features a rugged extruded aluminum exterior for superior physical protection and electromagnetic interference (EMI) shielding.

Structural Characteristics

  • Visual Indicators: Front-panel LEDs provide immediate visual status of module function and individual channel states.
  • Hot-Swappable: Can be removed and replaced without disconnecting field termination cables.

Working Principle
The module continuously samples the 16 input channels, applying the configured digital filtering to eliminate mechanical bounce or electrical noise. It then updates the discrete status map over the redundant fieldbus for the Field Control Processor to execute logic.

Installation Requirements

  • Must be mounted on a compatible modular baseplate accommodating up to four or eight FBMs.
  • Field wiring must be connected via the appropriate DIN rail mounted Termination Assembly (TA).

Precautions for Use

  • Verify the specific hardware variant (e.g., FBM207b vs FBM207c) matches the field voltage requirements.
  • Do not exceed the maximum input voltage ratings to prevent permanent module damage.
  • Ensure proper shield grounding at the TA to maintain signal integrity.

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