FBM222 Product Specification Sheet

1. Product Overview

FBM222 is a redundant PROFIBUS-DP/PA communication interface module of Foxboro I/A Series system, with part number P0926TL. It adopts dual-channel electrical isolation design, supports master-standby redundant seamless switching and hot-swappable function. Featuring strong anti-vibration and anti-EMI capability, it is suitable for long-term stable operation in chemical, petrochemical, power and other harsh industrial environments. It can be perfectly compatible with Foxboro Evo and I/A Series controllers, applicable to new project configuration and old system upgrade & renovation, and meets high-reliability critical process control application requirements.

2. Key Specifications

Fieldbus Protocol: Fully compliant with PROFIBUS-DP/PA and DPV1 standard, supporting standard PROFIBUS communication protocol and bidirectional data transmission

Communication Rate: Supports baud rate from 9.6 kbit/s to 12 Mbit/s, adaptive matching with on-site PROFIBUS bus equipment

Communication Port: 2-channel electrically isolated PROFIBUS RS-485 interface, supporting bus segmentation and repeater extension

Power Supply: 24VDC redundant power supply input, with +5%/-10% voltage tolerance; maximum power consumption ≤6W

Environmental Performance: Operating temperature: -20°C ~ +70°C; Storage temperature: -40°C ~ +70°C; Humidity: 5%–95% non-condensing; ISA S71.04 Class G3 harsh industrial environment grade

Certifications: CE, UL, ATEX, CSA; compliant with international EMC and industrial safety standards, meeting global industrial automation application specifications

Redundant Performance: Master-tracker redundant mode, seamless switching without interruption; supports hot swap, module replacement without system shutdown

Device Capacity: Single port supports up to 31 slave stations without repeater, expandable to 125 slave stations with repeater; maximum 1000 I/O connections per module

Structural Design: Rugged metal housing, good vibration and interference resistance; supports DIN rail and 19-inch rack installation

Termination Assemblies (TAs): Matching dedicated terminal assembly P0926TH / P0926TJ for signal wiring and isolation protection; Connection Cables: Standard PROFIBUS shielded twisted-pair cable, adapting to RS-485 bus communication; Bus Repeater (optional): Used for extending communication distance and expanding slave station access quantity; Termination Resistor: Standard PROFIBUS 120Ω termination resistor, ensuring bus signal integrity.

5. Applications

It is especially suitable for large-scale industrial process control scenarios requiring redundant PROFIBUS network configuration, such as chemical plants, refineries, power stations and pharmaceutical industries. It can be used for DCS system transformation and PROFIBUS fieldbus device access, providing stable and reliable communication link for system integration. Matched with Foxboro redundant controller modules, it can build high-reliability control system, fully meeting the uninterrupted operation requirements of critical control loops in industrial production.

[1] Foxboro is a professional manufacturer of industrial process automation systems and instruments, widely used in petroleum, chemical, power, natural gas and other industries, with high stability and system compatibility.

[2] The model of FBM222 module is FBM222, corresponding part number P0926TL, which is a mainstream conventional model in industrial control engineering procurement.

[3] FBM222 is a dual-channel redundant PROFIBUS communication module, different from ordinary single non-redundant modules, with higher system operation reliability.

[4] The module supports hot-swappable and redundant power supply design, convenient for on-site installation, later maintenance and fault replacement.

[5] Communication isolation, anti-interference and environmental adaptability of FBM222 are consistent with Foxboro FBM series unified specifications, ensuring good compatibility with the whole system.

[6] FBM222 is fully supplied in the industrial automation market, widely applicable to PROFIBUS bus networking, DCS supporting system and fieldbus integration projects.