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RH927BN

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Foxboro RH927BN is the exact FBM247 module part number for eight isolated, independently configurable field I/O channels.
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Technical specifications for RH927BN

  • Manufacturer:
    Invensys
  • Part Number:
    RH927BN
  • Product Family:
    Foxboro
  • Product Type:
    FBM247 Configurable Analog/Digital/Pulse I/O Module
  • Stock:
    1
  • Configurable channels:
    8, independently isolated
  • HART support:
    Versions 5, 6 and 7
  • Analog current:
    0 to 20 mA input or output
  • Analog voltage input:
    -0.2564 to 10 VDC or -0.1282 to 5 VDC
  • Frequency input:
    10 Hz to 25 kHz
  • Pulse count:
    0 to 65,535 with rollover
  • Power consumption:
    9.4 W maximum
  • Module Fieldbus:
    Redundant 2 Mbps
  • Dimensions:
    4.5 × 10.2 × 10.4 cm
  • Isolation test:
    600 VAC for 1 minute between any channel and ground, or between any two channels
  • Heat dissipation:
    6.8 W maximum
  • Operating temperature:
    -20 to +70°C
  • Storage temperature:
    -40 to +70°C
  • Relative humidity:
    5 to 95%, non-condensing
  • Vibration:
    0.75 g from 5 to 500 Hz
  • Weight:
    0.373 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 Channel Modes Isolation & Wiring Commissioning Application
  • Verify RH927BN on the nameplate and in the database before a like-for-like exchange
  • Match the installed TA because RH927BN can serve several signal modes
  • Restore channel-specific configuration before connecting active outputs

Foxboro RH927BN is the current exact part number for the FBM247 configurable I/O module.

It belongs to the standard 200 Series baseplate platform and requires separately selected field termination hardware.

Before installation, record all eight channel modes, the TA part number, cable arrangement, HART device mapping and output safe states.

Availability, condition, price, and shipping time for RH927BN are confirmed during quotation.

Foxboro RH927BN 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.

  • Each of eight channels is configured independently
  • HART, analog, discrete and pulse modes are documented
  • Channel mode changes do not require the other channels to be taken offline
  • Every channel is galvanically isolated from other channels and ground
  • A shield terminal is provided for each channel
  • TA and cable selection must match the channel configuration
  • Restore channel modes and scaling before applying field power
  • Validate analog direction, pulse thresholds and HART communication
  • Test channel faults without disturbing unrelated configured channels
  • Mixed analog and discrete field I/O on one module
  • HART transmitter or positioner integration
  • Pulse, frequency and event acquisition within documented limits
Description
Foxboro RH927BN provides eight isolated I/O channels that can combine HART, current, voltage, discrete, pulse and frequency functions.

Independent channel configuration allows a replacement module to reproduce a mixed field-I/O arrangement only when the original database and terminal scheme are restored accurately.

The module is suited to flexible process I/O applications where signal diversity, channel isolation and per-channel diagnostics are important.
Alternative Names
RH 927 BN Foxboro RH927BN Invensys Foxboro RH927BN FBM247 RH927BN Foxboro FBM247 RH927BN P0927BN Foxboro P0927BN
Technical notes
RH927BN is the module part number identified by the official FBM247 PSS. RH924WW, RH101KA and RH924WG are termination assemblies and are not alternative module numbers.
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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.
Does Foxboro FBM247 RH927BN include the required termination assembly and field cable?
No. Foxboro FBM247 RH927BN is the electronics module; confirm and order the termination assembly, field cable or compatible baseplate-mounted connection required by the installed wiring architecture.
Can Foxboro FBM247 RH927BN replace the earlier P0927BN without project changes?
Foxboro FBM247 RH927BN officially supersedes P0927BN, but verify the system software, baseplate position, termination hardware and saved channel configuration before treating it as a direct replacement.
Can the existing termination assembly be reused with Foxboro FBM247 RH927BN?
Only when its part number, mounting arrangement, terminal style, field cable, shielding and supported channel modes match the installed Foxboro FBM247 RH927BN configuration.
Why can Foxboro FBM247 RH927BN communicate with the control system but produce no analog output?
Check the selected channel mode, output enable and fallback settings, field-loop wiring, polarity, termination connections, connected load and active channel diagnostics on Foxboro FBM247 RH927BN.
Why might HART communication fail on Foxboro FBM247 RH927BN while the analog signal remains correct?
Verify that the channel is configured for HART operation, then check loop power, load resistance, wiring noise, shielding, the field-device revision and the configured HART device profile for Foxboro FBM247 RH927BN.
What information should be backed up before replacing Foxboro FBM247 RH927BN?
Save the hardware definition and every channel’s mode, range, scaling, alarm thresholds, pulse settings, HART assignments, fallback actions, forcing status and terminal mapping before removing Foxboro FBM247 RH927BN.
How should Foxboro FBM247 RH927BN be recommissioned safely after replacement?
Validate input channels first, test outputs with their loads isolated or controlled, confirm HART and pulse functions where configured, review diagnostics and then prove all related interlocks and final control actions channel by channel.

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