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FBM241

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Foxboro FBM241 is a redundant eight-input/eight-output discrete I/O module supporting multiple AC and DC termination arrangements.
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Technical specifications for FBM241

  • Manufacturer:
    Invensys
  • Part Number:
    FBM241
  • Product Family:
    Foxboro
  • Product Type:
    Redundant 8-Input/8-Output Discrete I/O Module
  • Stock:
    1
  • Input/output channels:
    8 inputs and 8 outputs
  • Filter/debounce:
    No filtering, 4, 8, 16 or 32 ms
  • Isolation test:
    600 VAC for one minute
  • Supported input options:
    15-60 VDC, 125 VDC, 120 VAC or 240 VAC, depending on TA
  • Supported output options:
    15-60 VDC at 2 A; 30 VDC at 5 A; 125 VDC at 0.5 A; 120/240 VAC at 5 A, depending on TA
  • Power consumption:
    5 W maximum for a single module
  • Heat dissipation:
    6 W maximum for a single module
  • Module Fieldbus:
    Redundant 2 Mbps
  • Input power:
    24 VDC +5%, -10%
  • Operating temperature:
    -20 to +70°C
  • Storage temperature:
    -40 to +70°C
  • Relative humidity:
    5 to 95%, noncondensing
  • Contamination class:
    ISA-S71.04 Class G3
  • Dimensions:
    10.2 × 4.5 × 10.4 cm
  • Weight:
    0.284 kg
  • Tariff Code:
    8538900000
  • 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 Variant Identity Signal Design Redundancy Application
  • Use FBM241 only for the documented FBM241 channel function
  • Confirm the electronic-module order number, termination hardware and cable before replacement
  • Preserve field wiring, channel configuration, diagnostics and redundancy state before removal

FBM241 is a Foxboro redundant 8-input/8-output discrete i/o module designed for Foxboro DCS 200 Series field I/O.

Foxboro FBM241 is a redundant eight-input/eight-output discrete I/O module supporting multiple AC and DC termination arrangements. The official PSS styles this function as FBM241; RH914TG is the current exact electronic-module part number and RH927BM is the separate redundant adapter.

Before installation or replacement, verify the complete nameplate, companion hardware, termination assembly, cable, signal limits, field wiring, saved configuration and supported system environment.

Availability, condition, price, and shipping time for FBM241 are confirmed during quotation.

Foxboro FBM241 Redundant 8-Input/8-Output Discrete I/O Module Manuals, Datasheets, Links

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.

  • Match the complete FBM241 suffix to the official FBM241 function
  • Use RH914TG as the current electronic-module order number
  • Keep the RH927BM adapter and TA identities separate from the module
  • Select the TA for the required AC or DC input voltage
  • Match output voltage and current to the exact TA rating
  • Use external excitation and suppression according to the field-load design
  • Install the pair in documented adjacent odd/even baseplate positions
  • Restore input filtering, output safe states and field-power configuration
  • Prove partner transfer while monitoring all used input and output states
  • Redundant AC or DC discrete-status input acquisition
  • Redundant relay and solenoid output control
  • Mixed eight-input/eight-output discrete process control with termination-selected signal ranges
Description
FBM241 is a Foxboro redundant 8-input/8-output discrete i/o module for the Foxboro DCS 200 Series I/O platform.

Foxboro FBM241 is a redundant eight-input/eight-output discrete I/O module supporting multiple AC and DC termination arrangements. Its documented channel architecture and electrical limits define the supported field interface.

Before installation or replacement, confirm the complete FBM241 identity, module part number, compatible termination hardware, cable, field power, wiring, saved configuration and control-system requirements.
Alternative Names
FBM241 FBM 241 Foxboro FBM241 Foxboro Evo FBM241 Invensys Foxboro FBM241 I/A Series FBM241 RH914TG FBM241 RH914TG
Technical notes
FBM241/RH914TG is the FBM241 redundant 8-input/8-output variant. Do not copy signal limits from another FBM241 suffix; verify the exact TA and field-power method.
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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.
What distinguishes the base FBM241 with RH914TG from FBM241C or FBM241D when planning a spare?
The suffixes are tied to different signal and termination arrangements. Identify the installed module, termination assembly, field-power method and project record before treating any FBM241 variant as interchangeable.
Can an FBM241 module be moved between panels that use different AC or DC field schemes because the enclosure looks the same?
No. The termination assembly, cable, common wiring, field source, load interface and database must match the destination panel even when the electronic modules look similar.
Why can a replacement FBM241 appear healthy while its inputs never change state?
Check for the wrong termination assembly or signal type, missing field source or common, incorrect input logic, cable mismatch, loose terminals and a database that was not restored for that panel.
Why can an FBM241 relay or direct output work during a bench check but fail in the installed circuit?
Review the actual field supply, load inrush, contact or semiconductor interface, protection and suppression, common return, interlocks, safe-state logic and the installed termination path.
Can the existing field cable and termination assembly always be reused with a replacement FBM241?
Only when their exact identities, connector arrangement, signal family, condition and project approval match the replacement. Mechanical fit alone does not prove electrical compatibility.
What cabinet evidence best prevents ordering the wrong FBM241 spare or termination hardware?
Capture clear module, termination and cable labels, slot positions, field-supply type, representative input and output devices, wiring drawings, system release and the saved product configuration.
How should an FBM241 installation with mixed project signal schemes be recommissioned?
Group tests by the actual field circuits, prove each input source and output load through its installed termination path, verify logic and safe states, then complete alarms, diagnostics and approved partner transfer.

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