Overview

The Foxboro FBM231 (P0926GV) module enables reliable integration of serial communication devices into distributed control architectures. It supports multiple industry protocols—Modbus RTU, ASCII, and proprietary formats—making it ideal for interfacing PLCs, analyzers, smart sensors, and third-party controllers.

With four independent serial ports and the option to deploy in redundant pairs, the module ensures high availability and continuous communication. Robust electrical isolation and strong noise immunity allow dependable performance in harsh industrial environments. As part of Schneider Electric’s control ecosystem, its modular design simplifies configuration, expansion, and maintenance across mission-critical automation systems.

Technical Data

Application

Commonly deployed in:

• Oil & gas — serial analyzers and metering systems

• Chemical processing — smart instruments and legacy PLC integration

• Power generation — turbine and environmental system controllers

• Distributed I/O networks — bridging diverse device protocols

Its flexible communication capability supports modernization efforts by seamlessly connecting legacy serial devices to Foxboro Evo and I/A Series DCS platforms. This helps maintain system interoperability and minimize retrofit costs.

FAQ

Q: What serial protocols does the FBM231 support?
A: RS-232, RS-422, RS-485 with Modbus RTU, ASCII, and proprietary serial formats.

Q: Can it be configured for redundancy?
A: Yes — two modules can be paired to achieve dual-module redundancy.

Q: Which systems is it compatible with?
A: Native support for Foxboro Evo and I/A Series systems.

Q: What is the operating temperature?
A: 0°C to 60°C.

Q: What devices can be connected?
A: PLCs, controllers, analyzers, and HART-capable / smart sensors via serial communication.