NEWS
Foxboro DCS Spare Parts I/A Series Modules for Petrochemical Industry
August 14, 2026
As a core brand under Schneider Electric, Foxboro has long been a benchmark in industrial distributed control systems (DCS). Its flagship I/A Series legacy platform and advanced Evo DCS system are widely deployed in refining, petrochemical, chemical processing, power generation and other heavy process industries worldwide.
Vogi International specializes in full-range Foxboro DCS spare parts supply, maintaining sufficient in-stock inventory for both discontinued legacy I/A Series modules and mainstream Evo system components, providing one-stop spare parts procurement solutions for industrial users globally.
Most Requested Foxboro DCS Spare Parts for Petrochemical Plants
Foxboro I/A Series DCS adopts a modular design, with Field Bus Modules (FBM), controllers, processors and power supplies as the core hardware components. These key modules undertake field signal acquisition, logic control, system operation and power guarantee tasks, and are the most frequently replaced wearing parts in daily plant maintenance and system overhaul. Below are the most in-demand Foxboro spare parts for petrochemical production scenarios:
I/A Series Field Bus Modules (FBM)
FBM field bus modules are the core I/O units of Foxboro I/A Series DCS, responsible for real-time acquisition and output of on-site process signals such as temperature, pressure, flow and liquid level. They feature photoelectric isolation design and strong environmental adaptability, suitable for harsh flammable and explosive working environments in petrochemical plants.
| Part Number | Description |
| FBM201 | Analog Input Module (4-20mA), applicable for conventional process signal collection in refining and chemical units |
| FBM202 | Analog Output Module, supports accurate analog signal output for regulating valves and execution units |
| FBM204 | Digital Input Module, collects switch status signals of on-site equipment and interlock devices |
| FBM207 | Digital Output Module, controls on-site switch equipment, relays and interlock protection actions |
| FBM237 | HART Analog Input Module, compatible with HART protocol intelligent instruments, realizing digital signal transmission and remote parameter debugging |
Controllers and Processors
Control processors and workstations are the brain of Foxboro DCS systems, undertaking system logic operation, process control, data storage and human-computer interaction functions. The stable operation of these components directly determines the overall safety and efficiency of petrochemical production lines.
| Part Number | Description |
| CP60 | High-performance Control Processor, mainstream core controller for I/A Series systems, supporting complex process control algorithms and multi-task parallel operation |
| CP40B | Legacy Control Processor, widely used in early-built petrochemical DCS systems, a hard-to-find discontinued spare part |
| AW70 | Application Workstation, responsible for system monitoring, data query, alarm management and engineering configuration |
Power Supplies
Power supply modules provide stable and reliable power support for the entire DCS system. Redundant power supply configuration effectively avoids system shutdown caused by single power failure, which is essential for uninterrupted production in petrochemical plants.
| Part Number | Description |
| P0922VW | 24VDC Standard Power Supply Module, stable power output for on-site I/O modules and auxiliary equipment |
| P0926GU | Redundant Power Supply Module, hot-swappable design, realizing uninterrupted power switching and improving system operational safety |
Why Choose Vogi International for Foxboro DCS Spare Parts?
As a professional global supplier of Foxboro DCS spare parts serving petrochemical and process industrial enterprises, Vogi International focuses on solving the pain points of difficult procurement, long lead time and high cost of Foxboro legacy and discontinued parts for plant procurement and maintenance teams, with core advantages as follows:
Full-Coverage Inventory: We maintain a large surplus inventory of both mainstream Evo system modules and discontinued legacy I/A Series components, covering FBM modules, processors, power supplies and other full-series spare parts, to meet the one-stop procurement needs of plant daily maintenance, system overhaul and emergency replacement.
Strict Quality Assurance: All supplied Foxboro parts have passed professional functional testing, aging testing and compatibility verification. Each product is backed by a 12-month warranty, ensuring stable and reliable operation in industrial production environments.
Efficient Global Delivery: Relying on global warehousing and logistics layout, most in-stock orders can be shipped within 1-3 business days, effectively shortening the emergency replacement cycle and reducing production downtime losses for petrochemical plants.
Frequently Asked Questions
Q1: Do you supply discontinued legacy Foxboro I/A Series parts that are no longer available from Schneider Electric official channels?
A: Yes. We specialize in hard-to-find and discontinued Foxboro spare parts. We have long-term stock reserves for obsolete legacy products such as CP40B processors and early-version FBM modules, solving the procurement dilemma of old DCS system maintenance for petrochemical plants.
Q2: Can I mix I/A Series and Evo modules in the same DCS system?
A: In most operational scenarios, mixed use is not supported. Foxboro I/A Series and Evo DCS systems adopt completely different hardware architectures and communication protocols, with poor compatibility. For system upgrade, transformation and module matching needs, our professional technical team can provide targeted configuration guidance and compatibility evaluation according to your on-site system parameters.
Q3: What is the lead time for Foxboro spare parts orders?
A: For all in-stock Foxboro DCS modules and accessories, we support rapid shipment within 1-3 business days. For customized and out-of-stock special orders, the conventional lead time is 5-10 business days, with real-time progress tracking throughout the whole process.
