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FBM241D

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Foxboro FBM241D is the redundant FBM241d variant with eight 15-60 VDC contact inputs and eight internally powered 12 VDC outputs.
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Technical specifications for FBM241D

  • Manufacturer:
    Invensys
  • Part Number:
    FBM241D
  • Product Family:
    Foxboro
  • Product Type:
    Redundant Contact Input/Internally Powered Output 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
  • Contact input range:
    15 to 60 VDC
  • Internally powered output:
    12 VDC at 12 mA
  • Output off-state leakage:
    0.1 mA maximum
  • 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 FBM241D only for the documented FBM241d 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

FBM241D is a Foxboro redundant contact input/internally powered output module designed for Foxboro DCS 200 Series field I/O.

Foxboro FBM241D is the redundant FBM241d variant with eight 15-60 VDC contact inputs and eight internally powered 12 VDC outputs. The official PSS styles this function as FBM241d; RH914WP 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 FBM241D are confirmed during quotation.

Foxboro FBM241D Redundant Contact Input/Internally Powered Output 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 FBM241D suffix to the official FBM241d function
  • Use RH914WP as the current electronic-module order number
  • Keep the RH927BM adapter and TA identities separate from the module
  • Use 15-60 VDC contact inputs with the documented TA
  • Treat each output as an internally powered 12 VDC 12 mA signal
  • Do not substitute external-source FBM241c output specifications
  • 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 15-60 VDC contact-status acquisition
  • Internally powered 12 VDC low-energy discrete signaling
  • Eight-input/eight-output discrete control where external output excitation is not required
Description
FBM241D is a Foxboro redundant contact input/internally powered output module for the Foxboro DCS 200 Series I/O platform.

Foxboro FBM241D is the redundant FBM241d variant with eight 15-60 VDC contact inputs and eight internally powered 12 VDC outputs. Its documented channel architecture and electrical limits define the supported field interface.

Before installation or replacement, confirm the complete FBM241D identity, module part number, compatible termination hardware, cable, field power, wiring, saved configuration and control-system requirements.
Alternative Names
FBM241D FBM 241D Foxboro FBM241D Invensys Foxboro FBM241D I/A Series FBM241D FBM241d FBM241D RH914WP FBM241d RH914WP
Technical notes
FBM241D/RH914WP is the FBM241d 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.
When is FBM241D a better fit than FBM241C for a discrete output application?
Choose FBM241D when the approved design expects internally powered low-current outputs. FBM241C uses an external field source, so the receiving interface, termination assembly and wiring philosophy are different.
Can FBM241D directly operate any solenoid, relay coil or indicator?
No. The receiving device must be compatible with the internally powered low-current output. Use an approved interposing interface or a different output design when the field load needs more power or another supply arrangement.
Why can an FBM241D output show ON in the DCS while the connected device remains inactive?
Check the receiving device input requirement, polarity, return path, termination wiring, cable continuity, output assignment and interlocks. An incompatible load may not respond to the internally powered signal.
Can an external voltage source be connected to an FBM241D internally powered output terminal?
Do not treat the output as an externally powered circuit. Apply only the wiring arrangement approved for FBM241D and its termination assembly; an incorrect external source can create a fault or damage risk.
Why can several FBM241D outputs become weak or intermittent together?
Check for excessive or unsuitable connected loads, a shared return fault, cable or termination problems, module input-power instability, shorts, thermal conditions and group-related diagnostics.
How should an interface relay or optocoupler be selected for FBM241D?
Verify input compatibility, polarity, isolation, suppression, off-state behavior, fail-safe response and project approval using the actual FBM241D termination path and control requirement.
What commissioning test confirms that FBM241D inputs and internally powered outputs are correctly applied?
Operate each contact input from the field side, test every output through its intended receiving interface, verify OFF and ON recognition, then prove alarms, diagnostics, safe-state behavior and partner transfer.

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