Foxboro FBM207b Voltage Monitor/Contact Sense Input Modules

The Foxboro FBM207b is a reliable and versatile interface module designed for industrial automation applications. Let’s explore its key functionalities:

Type: Discrete Input/Output (I/O) Module

Function: Bridges the gap between field devices and a Distributed Control System (DCS) by providing isolated channels for monitoring voltage levels or contact closures.

Key Features

• 16 Channel Capacity: Handles up to 16 individual input signals.
• Flexible Signal Handling: Accommodates a wide range of voltage levels, including 15-60 VDC for contact sense, and 120/240 VAC or VDC for voltage monitoring.
• Galvanic Isolation: Ensures electrical isolation between channels and the control system, enhancing signal integrity and noise immunity.
• Compact & Rugged Design: Built for harsh industrial environments with a durable extruded aluminum housing.
• Redundancy Option: Can be configured in redundant pairs for mission-critical applications.

Technical Specifications :

• Input Voltage Range: 15-60 VDC (contact sense), 120/240 VAC/VDC (voltage monitoring)
• Input Current: < 2 mA
• Isolation Voltage: 2500 VDC

Applications

• Monitoring status of limit switches, pushbuttons, and other contact-based devices.
• Interfacing with sensors that output voltage signals.
• Integrating discrete I/O signals into a DCS for control and monitoring purposes.