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RH922VW

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Foxboro RH922VW is the current exact module part number for the eight-channel FBM218 redundant 4-20 mA/HART output module.
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Technical specifications for RH922VW

  • Manufacturer:
    Invensys
  • Part Number:
    RH922VW
  • Product Family:
    Foxboro
  • Product Type:
    FBM218 HART Communication Redundant Output Module
  • Stock:
    1
  • Output channels:
    8 isolated and independent 4-20 mA/HART channels
  • HART data rate:
    1200 baud; up to 2 messages per second
  • Maximum HART distance:
    3,030 m, subject to loop burden and barriers
  • Output accuracy:
    ±0.05% of span from 4 to 20 mA
  • Output load:
    750 Ω maximum
  • Maximum rate of change:
    20 mA in 60 ms
  • Resolution:
    13 bits
  • Channel isolation test:
    600 VAC for one minute
  • Power consumption:
    7 W maximum
  • Heat dissipation:
    5 W maximum
  • 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 Identity HART Links Redundancy Application
  • Use RH922VW only for the documented FBM218 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

RH922VW is a Foxboro fbm218 hart communication redundant output module designed for Foxboro DCS 200 Series field I/O.

Foxboro RH922VW is the current exact module part number for the eight-channel FBM218 redundant 4-20 mA/HART output module. RH922VW is not a sibling model: the official FBM218 PSS lists RH922VW as the current exact module part number for FBM218.

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 RH922VW are confirmed during quotation.

Foxboro RH922VW FBM218 HART Communication Redundant 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.

  • Use RH922VW as the exact electronic-module order number
  • Map the module function to FBM218 in the control database
  • Keep RH916QD and termination hardware out of the module identity
  • Use HART version 5, 6 or 7 point-to-point devices
  • Limit communication to the documented 1200-baud master/slave mode
  • Check distance, burden and barriers for every field loop
  • Install the documented master/tracker module pair
  • Use the RH916QD redundant adapter with the approved termination
  • Verify loop continuity and diagnostics during controlled transfer
  • Redundant 4-20 mA valve and actuator positioning
  • HART-enabled process field-device output control
  • High-availability analog output service requiring continued operation after a single detected module failure
Description
RH922VW is a Foxboro fbm218 hart communication redundant output module for the Foxboro DCS 200 Series I/O platform.

Foxboro RH922VW is the current exact module part number for the eight-channel FBM218 redundant 4-20 mA/HART output module. Its documented channel architecture and electrical limits define the supported field interface.

Before installation or replacement, confirm the complete RH922VW identity, module part number, compatible termination hardware, cable, field power, wiring, saved configuration and control-system requirements.
Alternative Names
RH922VW RH 922VW Foxboro RH922VW Foxboro Evo RH922VW Invensys Foxboro RH922VW I/A Series RH922VW FBM218 FBM218 RH922VW
Technical notes
RH922VW is the current FBM218 module order number, not a second hardware design. Keep adapter RH916QD and termination-assembly data separate from the module record.
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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 should a buyer order RH922VW instead of searching only for FBM218?
RH922VW is the current exact electronic-module order number associated with the FBM218 function. Match the installed nameplate, project record and redundant-pair identity before purchasing the spare.
Are the redundant adapter and termination assembly included with RH922VW?
No. RH916QD, the termination assembly and the field cable are separate hardware. Confirm exactly what is installed and what is included in the quotation before ordering.
How can a customer confirm that an RH922VW spare will match the installed redundant pair?
Compare both module labels, partner status, baseplate positions, adapter, termination assembly, cable, system release and saved database rather than relying on the front enclosure alone.
Why can loop current appear normal while a HART maintenance tool cannot identify the device after an RH922VW change?
Check the restored device identity and polling setup, loop resistance, barriers, grounding, noise, adapter and termination path, and whether the correct channel configuration was downloaded.
What can cause a valve to stop responding after RH922VW replacement even when the module is healthy?
Check output scaling, fallback handling, field power, polarity, loop continuity, actuator mode, interlocks, mechanical condition and whether the command is assigned to the intended channel.
What information should be provided when requesting an RH922VW quotation or technical review?
Provide clear photos of both module labels, adapter and termination labels, slot locations, cable identity, system release, HART device list and a short description of the replacement or fault scenario.
What acceptance evidence should be collected after installing RH922VW?
Record commanded and independently measured loop current, HART device identification, partner synchronization and transfer results, expected alarms, diagnostic recovery and the final field-device response.