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Technical specifications for AD908AA FBM201
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Manufacturer:Invensys
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Product Category:DCS Systems
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Spare Part Number:AD908AA FBM201
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Estimated shipping dimensions:10.2×4.5×10.4 cm
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Weight:0.28 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Input channels:8 isolated analog inputs
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Accepted signals:0-20 mA; 0-100 mV; 0-5 V; 0-10 V dc
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Fieldbus:Redundant 2 Mbps module fieldbus
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Conversion:Independent sigma-delta conversion per channel
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Module supply:24 V dc, +5/-10%; 7 W maximum
Information
Overview
Manuals
Common Applications
Product Precautions
Foxboro AD908AA FBM201 combines the FBM201 analog-input function with the specified integrated field-termination assembly for current and voltage process signals.
- Provides eight independent input channels for the documented integrated analog input termination function.
- Handles current or dc voltage field input through the specified Foxboro FBM module-fieldbus path.
- Works with FBM201 analog input path and the installed integrated termination arrangement.
- Per-channel isolation separates the field inputs from one another and from ground.
The integrated analog input termination belongs in the controlled Foxboro FBM module-fieldbus path and works with FBM201 analog input path and the installed integrated termination arrangement. Its field connection, companion hardware and project configuration must be reviewed together before the channel is returned to service.
Important Notice: Use AD908AA FBM201 only with FBM201 analog input path and the installed integrated termination arrangement; verify the field interface and controlled configuration before energizing the subsystem.
Foxboro AD908AA FBM201 Manuals & Downloads
Foxboro AD908AA FBM201 Official Technical Reference Excerpt (PDF)Foxboro AD908AA FBM201 Installation & Commissioning Guide (PDF)
The first document covers the product function, system role and technical selection. The installation guide covers identification, connection checks, commissioning and the acceptance record.
Installed-base maintenance
Restores the documented integrated analog input termination position without changing the approved system architecture.
Loop or channel service
Supports verification of current or dc voltage field input at the assigned control-system channel.
Planned replacement
Provides an exact-identity replacement path when FBM201 analog input path and the installed integrated termination arrangement and the field interface have been confirmed.
Commissioning support
Allows the responsible engineer to prove wiring, configuration, status and response for eight independent input channels.
Before installing Foxboro AD908AA FBM201, confirm the documented system, interfaces and controlled configuration.
1
Match the complete AD908AA FBM201 marking to the work order and installed position before removal.
2
Confirm FBM201 analog input path and the installed integrated termination arrangement before making or breaking any field connection.
3
Keep the assigned current or dc voltage field input within the documented subsystem and range.
4
Record terminal designations, polarity, common and shield treatment before disconnecting conductors.
5
Inspect module seating, connector keying, terminal condition and strain relief before power is restored.
6
Restore the controlled channel configuration, range selection and alarm or timeout behavior after installation.
7
Check local indicators and controller diagnostics for internal, communication or channel faults during commissioning.
8
Prove the intended response across eight independent input channels and record the acceptance result before release.
Technical notes
Use AD908AA FBM201 only with FBM201 analog input path and the installed integrated termination arrangement; verify the field interface and controlled configuration before energizing the subsystem.
FAQ View All FAQ
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Which process-signal ranges can Foxboro AD908AA FBM201 accept?The eight analog inputs support 0–20 mA, 0–100 mV, 0–5 V and 0–10 V dc signals.
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Why are the input channels of Foxboro AD908AA FBM201 isolated from one another?Per-channel isolation separates each field loop from the other inputs and from ground, limiting interaction between connected signals.
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How does Foxboro AD908AA FBM201 convert its eight analog inputs?Each channel uses an independent sigma-delta conversion path before the resulting value is transferred to the Foxboro control system.
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What fieldbus arrangement carries data from Foxboro AD908AA FBM201?The module communicates through the redundant 2 Mbps module fieldbus specified for the FBM201 subsystem.
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What dc supply requirement applies to Foxboro AD908AA FBM201?The documented module supply is 24 V dc at +5/-10%, with a maximum power requirement of 7 W.
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Can Foxboro AD908AA FBM201 mix current and voltage inputs in one installation?The hardware supports the listed current and voltage ranges, but each channel must be configured and wired for the actual transmitter or voltage source connected to it.
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What must match when replacing the integrated termination assembly on Foxboro AD908AA FBM201?The complete AD908AA FBM201 identifier, channel-to-terminal mapping and installed FBM201 analog-input path must all match the controlled configuration.
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Which measurements confirm a Foxboro AD908AA FBM201 channel is ready for service?Check the applied signal against the selected range, confirm stable converted values and verify that channel isolation and fieldbus status show no fault.
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