P0926GV FBM231 Foxboro I/A Series Channel Isolated Redundant

Description

FOXBORO P0926GV FBM231 Module: Overview and Technical Specifications
Brand and Model
The FOXBORO P0926GV FBM231 is a Redundant Field Device System Integrator (FDSI) module manufactured by FOXBORO (now part of Schneider Electric). It is also known as PSS 31H-2Z31 or PSS 21H-2Z31 B4 in some documentation.
Overview
The FBM231 Redundant Field Device System Integrator (FDSI) module provides a serial interface between dual-ported field I/O devices and the I/A Series® or EcoStruxure™ Foxboro™ DCS systems. A pair of FBM231 modules combine to provide redundancy at the Fieldbus Module (FBM) level, ensuring high availability and reliability in critical industrial automation applications. This microprocessor-based module enables real-time monitoring and control over industrial processes, supporting various communication protocols for seamless integration with existing DCS infrastructure.

Technical Specifications
Dimensions
The module has a height of 102 mm (4 in) (114 mm or 4.5 in including mounting lugs), a width of 45 mm (1.75 in), and a depth of 104 mm (4.11 in).
Weight
The approximate weight of the module is 284 g (10 oz). Termination assemblies have different weights: TA Ring Lug (P0926PA) is approximately 363 g (0.8 lb), and TA Compression Screw (P0926GH) is approximately 272 g (0.6 lb).
Memory Configuration
The module is equipped with 16 MB SDRAM and 32 MB Flash memory for data processing and storage.
Power Requirements
It operates on a redundant 24V DC input voltage (typical value). Power consumption per non fault-tolerant module is a maximum of 8 W.
Input and Output Specifications
The FBM231 features four serial I/O communication ports that can interface with:
Four direct connect RS-232 or RS-422 dual-ported devices
Up to 64 dual-ported devices via four RS-485 buses (16 devices per port)
It can access up to 2000 analog and digital points through these serial connections
Key Features
Redundant Architecture: Supports module-level redundancy when paired with another FBM231, providing fault tolerance for critical applications
Multi-Protocol Support: Compatible with various serial communication protocols including Modbus, DeviceNet, and Profibus-DP
Dual-Ported Device Connectivity: Specifically designed for interfacing with dual-ported field I/O devices
High Data Capacity: Can handle up to 2000 analog and digital points through its four serial ports
Robust Industrial Design: Engineered for reliable operation in harsh industrial environments
Seamless Integration: Works with both Foxboro I/A Series and Foxboro Evo™ DCS systems
Easy Configuration: Features user-friendly setup and configuration options for efficient integration into existing systems
Operating Conditions
The module operates within a temperature range of -40°C to +70°C (-40°F to +158°F) and can withstand industrial humidity and vibration conditions typical of process automation environments.

P0926GV FBM231 PDF
FBM231

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