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FBM231 P0926GV

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Foxboro FBM231 P0926GV is a redundant field-device system integrator that connects serial field devices to the Foxboro Evo control database.
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Technical specifications for FBM231 P0926GV

  • Manufacturer:
    Invensys
  • Part Number:
    FBM231 P0926GV
  • Product Family:
    Foxboro
  • Product Type:
    Redundant Field Device System Integrator Module
  • Stock:
    1
  • Serial ports:
    4, independently configurable
  • Electrical interfaces:
    RS-232, RS-422, or RS-485
  • Transmission rates:
    300 to 115,200 baud
  • RS-485 device capacity:
    Up to 64 devices
  • Direct-connected device capacity:
    Up to 4 RS-232 or RS-422 devices
  • DCI block connections:
    Up to 2,000
  • Input voltage:
    24 V DC, +5% / -10%
  • Maximum consumption:
    7 W per module
  • Termination-assembly cable:
    1 to 5 m
  • Maximum RS-232 distance:
    15 m
  • Maximum RS-422/RS-485 distance:
    1,200 m
  • Operating temperature:
    -20 to +70 °C
  • Operating humidity:
    5 to 95% RH, non-condensing
  • Weight:
    0.284 kg
  • Estimated shipping dimensions:
    4.5x10.2x10.4cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Serial Ports Redundancy Device Mapping Wiring Limits

Features:

  • Integrates serial field devices with the Foxboro Evo control database.
  • Uses a Master and Tracker pair for redundant field-device communication.
  • Configures each of four ports separately for RS-232, RS-422, or RS-485.
Foxboro FBM231 P0926GV separates the four serial interfaces so one module can serve devices that use different electrical standards.

The termination assembly keeps field wiring in place while the redundant modules exchange Master and Tracker roles.

Serial data is converted into DCI block values for the Foxboro control database rather than being passed as an unstructured byte stream.

The Foxboro FBM231 P0926GV Redundant Field Device System Integrator Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Foxboro FBM231 P0926GV Redundant Field Device System Integrator Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Four-port serial interface

  • Independent setup: Each port can use its own electrical standard and serial parameters.
  • RS-232: Direct links are limited by the documented point-to-point distance.
  • RS-422: Balanced serial wiring supports longer direct connections.
  • RS-485: A multidrop segment can serve as many as sixty-four devices.

Master and Tracker operation

  • Paired modules: Two FBM231 modules share one field-device interface.
  • Active role: The Master handles current serial communication.
  • Standby role: The Tracker follows the active path and is available for role transfer.
  • Termination path: Field wiring remains on the common termination assembly during a role change.

Control-database exchange

  • DCI capacity: The module supports as many as 2,000 DCI block connections.
  • Analog data: Serial values can be mapped into analog points.
  • Digital data: Individual and packed digital states can be transferred.
  • Port allocation: Mapping follows the protocol driver and device assignment configured for each port.

Cable and power boundaries

  • Module cable: The FBM231-to-termination-assembly cable is one to five metres.
  • RS-232 reach: A custom RS-232 link is limited to fifteen metres.
  • Balanced reach: RS-422 and RS-485 connections can extend to 1,200 metres.
  • Supply path: Redundant 24 V DC feeds power the module pair.
Description
Foxboro FBM231 P0926GV is a redundant field-device system integrator for the Foxboro Evo control system. Its four serial ports carry data between field devices and the control database, while two FBM231 modules operate as a Master and Tracker pair.

Each port on Foxboro FBM231 P0926GV is configured independently for RS-232, RS-422, or RS-485. Direct RS-232 or RS-422 links serve as many as four devices, whereas an RS-485 multidrop segment can address as many as sixty-four devices.

A redundant pair of Foxboro FBM231 P0926GV modules shares the same field-device connections through its termination assembly. When the Master path cannot continue, the Tracker assumes the communication role without changing the serial-device wiring.

Power for Foxboro FBM231 P0926GV enters through redundant 24 V DC feeds, and the module connects to its termination assembly through a one-to-five-metre cable. RS-232 cable length is limited to fifteen metres, while RS-422 and RS-485 links can extend to 1,200 metres.
Alternative Names
FBM231P0926GV FBM231 P0926 GV FBM231-P0926GV Foxboro FBM231 P0926GV Invensys FBM231 P0926GV FBM231 P0926GV FDSI FBM23I P0926GV FBM231 PO926GV
Technical notes
FBM231 P0926GV identifies the redundant serial FDSI module and its P0926GV assembly; record both identifiers before replacement.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How does Foxboro FBM231 P0926GV maintain a redundant serial path?
Two FBM231 modules operate as Master and Tracker through the same termination assembly, allowing the Tracker to assume communication when the active path cannot continue.
Can the four ports on Foxboro FBM231 P0926GV use different interface standards?
Yes. Each port is configured separately, so one module can combine RS-232, RS-422, and RS-485 device connections.
What determines the device count on Foxboro FBM231 P0926GV?
An RS-485 multidrop network supports as many as sixty-four devices, while direct RS-232 or RS-422 wiring supports as many as four devices.
How is serial data represented in the Foxboro system?
Foxboro FBM231 P0926GV maps field-device values into as many as 2,000 DCI block connections used by the control database.
Which cable limit applies between Foxboro FBM231 P0926GV and its termination assembly?
The documented module-to-termination-assembly cable range is one to five metres; the external serial-link limits are handled separately.
Which identifiers and communication settings distinguish an exact Foxboro FBM231 P0926GV replacement?
Record the complete FBM231 P0926GV identity, paired redundancy position, termination assembly, and every port's electrical standard and communication settings.

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