Foxboro FBM242 RH916YY Discrete Output Interface Module – Reliable On/Off Control for the Foxboro I/A Series (200 Series)

The Foxboro FBM242 RH916YY is a discrete output interface module designed for the Foxboro I/A Series (200 Series) DCS. From my experience, it’s used where you need dependable on/off control to drive contactors, solenoid valves, indicator lamps, or other binary loads—while keeping channel isolation and system diagnostics intact. You might notice that facilities keep this module on the critical spares list because it slots straight into existing 200 Series baseplates and reports status cleanly back to the controller.

Company’s Order Placement Process and Guarantees

• Warranty: 365 days
• Delivery time: 1 week for in-stock items; no more than one month at the latest
• Payment: 50% advance payment; full payment before delivery
• Express delivery: FedEx, UPS, DHL

Key Features

• Discrete output control – Purpose-built for driving binary loads such as solenoids, interposing relays, and motor starters.
• Channel isolation – Each output is typically isolated from others, helping reduce cross-talk and field fault propagation.
• Flexible load types – Supports common DC or AC load scenarios (24 Vdc or mains-rated via appropriate termination assemblies), which simplifies retrofit jobs.
• Diagnostics to the DCS – Health and status reporting back to the Foxboro controller for easier troubleshooting.
• Hot-swap friendly design – In many cases, the module can be replaced online on a redundant system, minimizing downtime.
• Seamless 200 Series fit – Plugs into standard Foxboro baseplates, keeping cabinet layouts unchanged.

Technical Specifications

Brand / Model	Foxboro FBM242 RH916YY (Discrete Output Interface Module, 200 Series)
HS Code	8538.90 (Parts for industrial control panels and apparatus)
Power Requirements	24 Vdc nominal, supplied via the 200 Series baseplate (system power)
Signal Output Types	Discrete outputs; suitable for DC or AC load switching when matched with the correct termination assembly (TA)
Communication Interfaces	Foxboro I/A Series fieldbus via baseplate to the control processor; redundant bus architectures supported in typical deployments
Operating Temperature	0 to 60°C typical for conditioned control cabinets (non-condensing)
Dimensions & Weight	Standard Foxboro 200 Series FBM form factor; fits standard multi-position baseplates
Installation Method	Plugs into DIN-rail mounted 200 Series baseplate; field wiring via dedicated termination assembly (TA)

Application Fields

The FBM242 is commonly specified in:

• Oil & Gas and Refining – Start/stop pumps, open/close block valves, permissive and trip outputs.
• Chemicals and Pharma – Solenoid manifolds, CIP/SIP skid on/off control, interlocks to MCCs.
• Power & Utilities – Boiler auxiliaries, damper drives, burner management auxiliary outputs (non-safety rated positions).
• Water & Wastewater – Blower contactors, backwash valves, chemical dosing on/off.
• Pulp & Paper and Mining – Conveyor starters, bin gates, alarm beacons, stack lights.

One thing I appreciate is how it handles mixed loads in brownfield cabinets. In many cases, matching the TA to your voltage and load type means you don’t have to rewire the whole panel.

Advantages & Value

• Reliability in legacy fleets – A proven module that keeps long-running I/A Series systems stable.
• Compatibility – Works with standard Foxboro baseplates, controllers, and TAs; helps avoid cabinet redesign.
• Lifecycle cost savings – Reduced commissioning time and minimal rewiring in retrofit situations.
• Serviceability – Clear diagnostics and hot-swap capability on redundant setups cut maintenance downtime.
• Scalability – Add or reassign DO points without disturbing adjacent analog I/O modules in the same rack.

Installation & Maintenance

• Cabinet & environment – Install in a clean, ventilated control cabinet. Keep ambient within the stated operating range; avoid condensation.
• Baseplate – Use standard 200 Series baseplates on DIN rail; confirm redundant fieldbus wiring if a high-availability architecture is required.
• Wiring – Route high-voltage AC and low-voltage DC separately. Use appropriate gauge and observe polarity. For inductive loads, add suppression (diodes/snubbers) to extend contact life.
• Fusing & protection – Protect each output circuit with properly rated fuses or breakers as per site standards.
• Hot replacement – When redundancy is present, you can typically replace a single module online. Follow site lockout/tagout and DCS maintenance procedures.
• Routine checks – Periodically verify output actions, inspect terminals for looseness, and review system diagnostics. Keep firmware and configuration aligned with plant standards.

Supporting Components (Often Ordered Together)

• 200 Series Baseplate (multi-position) – DIN-rail baseplate for FBM modules; available in redundant bus versions.
• Termination Assembly (TA) for FBM242 – Field wiring termination; select DC or AC-rated versions to match load voltage and isolation needs.
• FBM–TA Cables – Pre-terminated ribbon or cable assemblies (various lengths) for neat and reliable interconnection.
• Redundancy Accessories – Redundant fieldbus wiring kits and power distribution hardware for high-availability applications.

A maintenance supervisor shared that swapping an FBM242 with the correct TA cut their turnaround by half during a scheduled outage—no panel rework, just verify point mapping and you’re back online.

Quality & Certifications

• Manufacturer certifications commonly include CE and UL/CSA listings for industrial control equipment.
• Produced to ISO-based quality management systems aligned with industrial automation standards.
• Warranty provided by us: 365 days.

If you need us to confirm a specific TA choice (e.g., DC vs AC load, isolation level, or contact type) for your FBM242 RH916YY, send over the load details and we’ll match the exact termination option and availability. That seems to be where most projects save time and avoid surprises.