It is a field device controller launched by Foxboro (a brand under Schneider Electric), which is a key field control unit in a distributed control system (DCS).

Basic Information
- Full Model: FDC280 RH101FQ
- Product Category: Field controller / DCS control unit
- Manufacturer: Foxboro (Schneider Electric)
- Applicable Industries: Refining, petrochemical, power generation, and other industrial automation sectors
Core Functions
- Integrated Control and Communication: Handles control algorithms, I/O data acquisition, field communication, and diagnostics within a single module, acting as the control hub of a DCS.
- Dual‑Core Processor: Core 1 runs control software and network communication; Core 2 runs device integration software, supporting fault‑tolerant configurations for high reliability.
- Fault‑Tolerant/Redundant Operation: Optional fault‑tolerant version with two synchronized processor modules that detect failures and automatically switch over, ensuring continuous operation.
- Rich Field I/O: Supports up to 256 field devices and roughly 8,000 I/O points, with a minimum scan cycle of 100 ms, meeting large‑scale process‑control demands.
- Multi‑Protocol Communication: Compatible with Ethernet (10/100 Mbps, 1 Gbps) and serial buses (RS‑232/RS‑422/RS‑485), allowing direct connection to field devices without additional Foxboro Fieldbus Modules (FBM).
- Diagnostics and Self‑Check: Built‑in ECC error detection, real‑time self‑diagnostics, LED indicators, and an LCD display for easy operation and maintenance monitoring.
Main Technical Specifications
| Item |
Specification |
| Memory |
16 MB SDRAM, 32 MB Flash |
| Input Voltage |
24 V DC (redundant supply) |
| Power Consumption |
Up to 8.5 W (single module) |
| Operating Temperature |
0 °C – +60 °C |
| Dimensions |
14.7 cm × 5.15 cm × 11.4 cm |
| Weight |
0.6 kg (net), approx. 1.5 kg shipping weight |
| Mounting Options |
DIN rail or rack‑mount; optional 2‑position base plate installation |
Application Advantages
- High Reliability: Dual‑core fault‑tolerant design and real‑time diagnostics make it suitable for critical process control.
- Flexible Integration: Supports Ethernet, fiber, or copper adapters, allowing configuration to match existing field network architectures.
- Compact and Efficient: Small size and low power consumption facilitate installation in space‑constrained control cabinets.
- Industrial‑Grade Certifications: Meets standards such as ISA‑Secure EDSA Level 1, suitable for harsh industrial environments.
Typical Use Cases
- Monitoring and regulation of process variables in refineries.
- Safety interlocks and alarms in petrochemical plants.
- Real‑time data acquisition and control in power systems.
- Any DCS project requiring high‑reliability field control and fault‑tolerant operation.
Sales of the brand:
ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.
☀️Tara(Sales Director)
📞Tel: + 86-13806028623
📮Whatsapp:+86-13806028623
💬Email: ydf8801@163.com
🏚️Ship to you via DHL/TNT/UPS/EMS/Fedex
🥇Product Condition: One-year warranty
requently Asked Questions:
1. How long does it take to receive the goods?
We have stock in stock and can accept same-day payment and delivery!
2. What payment methods do you accept?
There are many methods (T/T…) for you to choose from, and you can choose whatever you want.
3. Is there after-sales service?
Of course, if our products are brand new, they have a one-year warranty!
4. What courier services do you accept? We offer SF Express, DHL, and other international express delivery options.
5. How can I contact you?
You can contact me 24/7 via WeChat, Skype, WhatsApp, LINE, and my email!

Company Profile
Xingchuang Ronghe (Fuzhou) Electric Co., Ltd. is a company specializing in the sales and technical services of spare parts for the world’s top industrial automation systems. With our profound industry experience and stable supply channels, we provide domestic and foreign customers with original, authentic, complete models, and fast-delivered precision spare parts solutions. We are your reliable partner in ensuring production continuity and stability.
We specialize in distributing the following core brands and product lines:
ABB
- Process Control: ABB DCS process control system full range of components.
- ABB FreeLance AC800F power modules: SA801F/SA811F/SD802F/SD812F, EI811F/ABB EI812F/ABB EI813F, etc.
- ABB S800 analog I/O modules: AI801/AI810/AI825/AO801/AO845/AO895
- ABB S800 digital I/O modules: DI801/DI810/DO801/DO810
Bently Nevada
3500 Module Mainboards: 3500/42, 3500/45, 3500/40, 3500/50, etc.
(CPU Modules): 3200/32, 3500/25
3500 Module Minimum Cards: 128229-01, 128229-01, 133442-01, 125800-01, 167699-02, etc.
Extension Cables: 330850-50-05 (for preamplifier), 330730-040-00-00, 330103-00-06-10-02-00, etc.
EPRO
- MMS6000 TSI System: MMS6110/MMS6210/MMS6220 series monitoring modules.
Sensors: Proximitor sensors CON011, CON021, CON031, etc
GE
- PLC Systems: IC693, IC695, and IC697 Series Modules.
- Drives and Protection: GE DRIVE SYSTEMS Series Inverters, SR Integrated Protection Frame Series.
Rexroth
- Drives and Motors: Full range of Rexroth servo drives and controllers; models include: servo motor 2AD160B-B0350R2-BS03-D2V1, MSK040C-0600-NN-M1-UP1-NSNN, etc.
- Rexroth communication boards and amplifier boards: MTS-P01.2-D2-B1-E1-NN-NN-FWEP, VT-VPCD-1-1X/V0/1-0-1, VT5006-17B, etc.
Siemens
· Process Instruments and Controllers: Siemens MOORE series, common models include: QLCDM024DCBAN, 39ACM24BEN, 39AC12T4V1, 16114-171, etc.
· Automation Systems: Full range of SIMATIC S5 PLCs, SIMATIC S7-400 CPU modules and expansion modules, Simatic C7 systems, and various Siemens touch screens.

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