Product Overview
The Foxboro CM400YQ (FBM14) serves as a high-performance Digital DC Expansion Module for the I/A Series and Foxboro Evo Distributed Control Systems (DCS). This 100% Brand New original hardware expands the digital capacity of your control network by providing 16 configurable I/O points (8 Digital Inputs and 8 Digital Outputs). Engineered to handle both contact and 24 VDC signals, the FBM14 (CM400YQ) allows for precise monitoring of field switches and direct control of solenoids or motor starters. Its rugged, fault-tolerant design ensures maximum system availability in demanding process environments such as oil refineries, power plants, and chemical processing facilities.
Technical Specifications
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Module Type: Digital DC Expansion I/O
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Part Number: CM400YQ (FBM14)
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Total I/O Points: 16 Points (8 DI / 8 DO)
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Signal Type: Contact / 24 VDC
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Input Voltage: 24 VDC (Nominal)
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Maximum Current: 2 A per output channel
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Power Consumption: ~10 W
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Internal Memory: 16 MB SDRAM / 32 MB Flash
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Vibration Resistance: 0.05 g RMS (5–500 Hz)
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Shock Resistance: 15 g, 20 ms half-sine
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Operating Humidity: 0–95% Non-condensing
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Dimensions: 160 mm (H) x 100 mm (W) x 30 mm (D)
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Mounting: Compact rack/baseplate installation
Engineering Advantages
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Bi-Directional Signal Versatility: The CM400YQ (FBM14) integrates both input and output functions into a single slim-profile module. This hybrid architecture allows engineers to manage feedback signals and control commands from the same hardware slot, optimizing cabinet space.
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High-Current Drive Capability: Unlike standard low-power I/O modules, each digital output channel on the FBM14 supports up to 2 A. This allows the module to drive heavy-duty industrial relays and solenoids directly without the need for interposing relays in many applications.
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Superior Environmental Hardening: Designed to thrive in unconditioned industrial spaces, the module withstands significant mechanical shock (15 g) and continuous vibration. This makes it ideal for installation on skid-mounted equipment or near heavy rotating machinery.
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Deterministic Fault Tolerance: The CM400YQ supports optional redundant configurations. By pairing modules, the system ensures that critical safety interlocks and digital control loops remain active even during a single hardware failure.
Frequently Asked Questions
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Can the FBM14 handle 120 VAC signals?No. The CM400YQ (FBM14) is specifically rated for 24 VDC and dry contact signals. Using AC voltages will cause permanent damage to the internal opto-isolators.
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What is the benefit of the 2 A current rating per channel?Most DCS modules limit output to 0.5 A or less. The 2 A rating allows the FBM14 to power larger field devices directly, reducing wiring complexity and the cost of external components.
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Is this module compatible with older I/A Series racks?Yes, the CM400YQ integrates seamlessly with legacy Foxboro I/A Series baseplates while providing the updated memory and processing speeds required for modern Foxboro Evo environments.
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
Operations Director, GermanyRelated Products
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