FBM230 P0926GU Foxboro Modbus Master Interface

FBM230 P0926GU Foxboro I/A Series Modbus Interface Module

FBM230 P0926GU Foxboro I/A Series Modbus Interface Module

Availability: 10 left in stock

Foxboro FBM230 P0926GU Four-Port Modbus Master Interface The Foxboro FBM230 P0926GU, also cataloged as the FBM230 P0926GU Modbus Master Interface...

SKU: FBM230

Manufacturer: Foxboro
Product No.: FBM230
Product Type: Interface Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 3000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Foxboro FBM230 P0926GU Four-Port Modbus Master Interface

The Foxboro FBM230 P0926GU, also cataloged as the FBM230 P0926GU Modbus Master Interface Module, operates as a dedicated hardware component for multi-port serial and Ethernet data acquisition within Foxboro I/A Series and Foxboro Evo DCS networks.

Suffix Breakdown & Model Matrix

FBM230: Functional series designation for the Fieldbus Module four-port Modbus Master architecture.
P0926GU: Specific manufacturing part number defining the hardware revision and component layout.

Hardware Specifications

Parameter	Specification
Model	FBM230 P0926GU
Brand	Foxboro
Origin	USA
Weight	3.0 kg
Dimensions	Standard Foxboro FBM footprint
Operating Temp	0 to +60 deg C
Power Consumption	12 W to 14 W
Power Input	24 VDC (redundancy supported)
Port Count	4 independent ports
Physical Interfaces	RS-232, RS-422, or RS-485 (configurable per port)
Supported Protocols	Modbus RTU, Modbus ASCII, Modbus/TCP
Data Formats	Big Endian and Little Endian (software configurable)
Isolation	600 VAC galvanic isolation
Internal Memory	16 MB SDRAM, 32 MB Flash

Channel-to-Channel Isolation and Loop Protocol Processing

The FBM230 P0926GU executes deterministic field communications by combining 600 VAC galvanic isolation barriers with software-configurable physical layers per port. Integrating direct galvanic separation between field terminals and backplane electronics mitigates common-mode ground loops and protects internal memory arrays from high-voltage field spikes. Furthermore, the onboard driver handles protocol parsing across standard RS-232, RS-422, RS-485 serial loops, and Modbus/TCP Ethernet networks simultaneously, standardizing field variable register maps before delivering payload data to the control network.

Frequently Asked Questions

Q: How does the FBM230 module handle simultaneous protocol execution across different physical ports?

A: Internal processing logic treats each of the four ports independently, executing dedicated driver routines for Modbus RTU, ASCII, or TCP without latency degradation on adjacent channels.

Q: Can field engineers reconfigure port pinouts from RS-232 to RS-485 without physically modifying internal jumpers?

A: Physical interface selection executes via software configuration within the Foxboro environment, matching the electrical characteristics of the targeted field loop without requiring hardware jumper changes.

Field Installation Guidelines

Mount the FBM230 directly into a compatible Foxboro FBM mounting baseplate, confirming that the backplane connector seats completely into the baseplate interface. Maintain proper strain relief on all field communications wiring and ensure that RS-485 shield drains terminate at a single designated cabinet earth ground to prevent current loop circulation. When wiring field-side connections, adhere strictly to terminal torque requirements using standard 5-thread engagement on NPT fittings where conduit transitions occur. Ensure the cabinet maintains adequate passive convection airflow so the module ambient environment does not exceed +60 deg C during operation.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.