In the industrial automation landscape, the Foxboro A/I Complete Series stands as a pivotal solution for seamless process control, monitoring, and integration. Designed to meet the rigorous demands of diverse industrial environments—from chemical plants and power stations to manufacturing facilities—this series encompasses a vast array of modules, processors, connectivity components, and accessories. Below is a detailed, all-inclusive guide to every component in the series, optimized for clarity and searchability.
The Foxboro A/I Series is built on modularity, ensuring flexibility, scalability, and compatibility across systems. Key categories include field bus modules (FBM), control processors (CP), connectivity solutions (fiber optics, Ethernet), and auxiliary components (termination cables, mounting kits).

FBMs serve as the interface between field devices (sensors, actuators, transmitters) and the central control system, handling digital/analog signals with robust isolation to resist interference.
- FBM241C (P0914WM): 8-channel isolated contact-sense inputs + 8-channel switch outputs, ideal for discrete control (e.g., valve actuation). Fused outputs enhance safety in high-voltage environments.
- FBM242 (P0916TA): 16-channel isolated external source digital outputs, designed for stable switching in noisy industrial settings (e.g., chemical plants).
- FBM110E (P0972AJ): Field bus isolator for 10MB Ethernet, ensuring signal integrity in networked systems.
- FBM41 (P0902XA): Contact/dc input with high-current dc output, suitable for heavy-duty discrete control tasks.
- FBM44 (P0950BN): Dual baud intelligent transmitter input/0-20mA output interface, supporting bidirectional communication with smart devices.
- FBM01 (P0400DA): 0-20mA analog input module, critical for measuring pressure, flow, or level from sensors.
- FBM02 (P0400YC): 6-channel thermocouple/mV input module, optimized for extreme temperature monitoring (e.g., furnace control).
- FBM03 (P0400YD): RTD input module, ideal for precise temperature measurement in processes like heat treatment.
- FBM04 (P0400YE): Combined 0-20mA input/output module, versatile for closed-loop control.
- FBM39 (P0902UT): Intelligent transmitter input + 0-20mA output, compatible with HART protocol for advanced sensor integration.
- FBM18 (P0400YV): Intelligent transmitter I/O, designed for seamless connectivity with smart transmitters.
- FBM203 (P0914SV): 8-channel isolated RTD input module, ensuring accurate temperature readings in harsh conditions.

Control processors act as the "brain" of the system, executing logic, processing data, and coordinating communication between components.
- CP40B (P0961BC): Style B processor, ideal for mid-sized systems with balanced performance and cost-efficiency.
- CP60 (P0961FR): High-performance processor for large-scale, complex operations (e.g., multi-loop process control), supporting advanced algorithms.
Reliable communication is critical in industrial automation, and the Foxboro A/I Series offers robust connectivity via fiber optics and Ethernet components.
- P0973FW: Single-mode duplex fiber cable, LC/LC connectors, 15 meters (short-distance cabinet-to-module links).
- P0973FX: Single-mode duplex fiber cable, LC/LC connectors, 50 meters (connecting remote field devices to central systems).
- P0973FY: Single-mode duplex fiber cable, LC/ST connectors, 15 meters (flexible connection for mixed port types).
- P0973FZ: Single-mode duplex fiber cable, LC/ST connectors, 50 meters (long-distance links with diverse port compatibility).
- P0973GB: 8-port 100BaseFX industrial Ethernet switch (LC ports), ruggedized for harsh conditions (vibration, dust, extreme temperatures).
- P0973GC: 4-port 100BaseFX Ethernet module, compact for small-scale setups or distributed systems.
- P0973GD: 8-port 100BaseFX Ethernet module, scalable for larger networks.
- P0973GH: 1000Base-LX GBIC module (LC) for P0973GB switches, extending high-speed fiber links.
- P0973GJ: 1000Base-SX GBIC module (LC) for P0973GB switches, optimized for short-distance multimode fiber.
A range of accessories ensures seamless installation, termination, and maintenance of the A/I Series.
- P0400HH: FBM01/43 termination cable (wire).
- P0500RG: FBM02 termination cable (wire).
- P0700AB: FBM01/43 direct termination cable.
- P0700DJ: FBM01/43 plug-in termination cable.
- P0916FK: FBM2xx Type 4 termination cable (5 meters), durable for field connections.
- P0973GE: DIN-rail mounting kit for P0973GB Ethernet switches.
- P0973GG: Rack mounting kit for P0973GB switches, saving space in control cabinets.
- P0926WM: WorkCenter trim piece (45") for I/A Series console wedges, enhancing ergonomics.
- P0930DA: Basic bay assembly console, providing structural support for control components.
- CM902WL: 120-240Vac power module (100ms), ensuring stable power delivery.
- P0903ZL: Industrial power module (120-240Vac, 100ms), ruggedized for harsh environments.
The Foxboro A/I Series is renowned for backward and forward compatibility, integrating seamlessly with legacy Foxboro systems and newer components. Its versatility makes it suitable for:
- Chemical & Petrochemical: Controlling batch processes, pressure, and flow.
- Power Generation: Monitoring turbine performance and grid stability.
- Water & Wastewater: Regulating pumps and chemical dosing.
- Manufacturing: Automating assembly lines and quality control.
For quick reference, below is a comprehensive list of all components in the Foxboro A/I Complete Series:
FBM242 (P0916TA), CP40B (P0961BC), CP60 (P0961FR), FB110E (P0972AJ), FBM01 (P0400DA), FBM02 (P0400YC), FBM03 (P0400YD), FBM04 (P0400YE), FBM07 (CM400YH), FBM08 (CM400YJ), FBM10 (CM400YL), FBM11 (CM400YM), FBM18 (P0400YV), FBM203 (P0914SV), FBM241C (P0914WM), FBM39 (P0902UT), FBM41 (P0902XA), FBM43 (P0950BM), FBM44 (P0950BN), FBM201 (P0914SQ), FBM202 (P0914ST), FBM204 (P0914SY), FBM207 (P0914TD), FBM211 (P0914TN), FBM217 (P0914TR), FBM243 (P0914TK).
CP40B (P0961BC), CP60 (P0961FR).
P0973FW, P0973FX, P0973FY, P0973FZ, P0961DM (15m fiber drop), P0961DN (50m fiber drop).
P0973GB, P0973GC, P0973GD, P0973GH, P0973GJ, P0973GZ (N-Series Gold LDP Policy License).
P0400HH, P0400YC, P0400YD, P0400YE, P0500RG, P0500RJ, P0500RQ, P0500RU, P0500RY, P0700AB, P0700AC, P0700AD, P0700AE, P0700DJ, P0700DK, P0700DL, P0916FK, P0916JW, P0931RM, P0931RN, P0931RP, P0931RQ.
CM902WL, P0400VE (fieldbus isolator), P0903ZL, P0914XB (FBM2xx vertical baseplate), P0973GE, P0973GG, P0926WM, P0930DA.
The Foxboro A/I Series is renowned for its forward and backward compatibility, enabling seamless integration with Foxboro legacy systems and new components. This flexibility makes it suitable for:
- Chemical and Petrochemical Industry: Controlling batch processes, pressure, and flow.
- Power Generation Industry: Monitoring turbine performance and grid stability.
- Water and Wastewater Treatment: Regulating pump operation and chemical dosing processes.
- Manufacturing Industry: Automating assembly lines and quality control inspections.
Q: What is the difference between FBM241C and FBM242?
A: FBM241C combines 8 inputs and 8 outputs, making it suitable for mixed discrete tasks; while FBM242 focuses on 16 isolated outputs, ideal for applications requiring high-density switching.
Q: Can CP40B and CP60 processors be used interchangeably?
A: Although both are compatible with most FBM modules, the CP60 offers higher processing power and is more suitable for complex systems; the CP40B is more cost-effective in simple setups.
Q: Are Foxboro fiber optic cables compatible with non-Foxboro devices?
A: Yes, they can interoperate with third-party industrial equipment as long as the connectors (LC, ST) and fiber type (single-mode) match.
The Foxboro A/I Complete Series delivers a holistic solution for industrial automation, combining durability, flexibility, and performance. From field-proven FBM modules to high-speed connectivity components, every part is engineered to thrive in harsh environments while ensuring seamless system integration. Whether upgrading existing infrastructure or building new control systems, the A/I Series remains a trusted choice for engineers and plant operators worldwide.