FBM201 RH914SQ Foxboro Analog Input Module

FBM201 RH914SQ Foxboro Analog Input Module | New & Original Stock

Availability: 10 left in stock

Foxboro FBM201 RH914SQ Analog Input Interface Modules The Foxboro FBM201 RH914SQ serves as the primary FBM201 Analog Input Interface Modules...

SKU: FBM201 RH914SQ

Manufacturer: Foxboro
Product No.: FBM201 RH914SQ
Product Type: Analog Input Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 284g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Foxboro FBM201 RH914SQ Analog Input Interface Modules

The Foxboro FBM201 RH914SQ serves as the primary FBM201 Analog Input Interface Modules utilized to execute acquisition of analog sensor signals across Foxboro I/A Series DCS platforms. The hardware establishes electrical digitization paths for eight independent field channels directly communicating with associated control processors over a redundant 2 Mbps module Fieldbus.

SHardware Specifications

Parameter	Specification
Model	FBM201 RH914SQ
Brand	Foxboro
Origin	USA
Weight	0.284 Kg
Dimensions	10.4 cm x 4.5 cm x 11.4 cm
Operating Temp	-40 to +70 deg C
Power Consumption	7 W (maximum)
Module Type	Isolated analog input
Number of Channels	8
Resolution	16-bit sigma-delta conversion
Accuracy	+/-0.05% of span
Isolation	Channel-to-channel and channel-to-ground
Communication	Redundant 2 Mbps fieldbus to FCP controllers
Power Supply	24 VDC via backplane
Heat Dissipation	3 W (maximum)
Relative Humidity	5 to 95% (noncondensing)
Environmental Code	Class G3 (harsh) environments

Channel-to-Channel Isolation & DCS Connectivity

The hardware implements galvanic channel-to-channel isolation parameters across all eight input circuits to prevent ground loop faults from corrupting sensor signals. Field devices integrate through specialized Termination Assemblies supporting 4-20 mA HART loop protocol architectures and internally powered transmitters. This module maintains digital integrity using individual sigma-delta data converters for each loop, executing continuous analog-to-digital conversions without requiring physical adjustment or recurring manual calibration procedures.

Frequently Asked Questions

Q: Does the module require manual software recalibration when replacing an active unit? A: No, the architecture eliminates calibration requirements for the module and termination assembly. Internal factory coefficients handle accuracy thresholds automatically during runtime initialization.

Q: What is the maximum switching delay or behavior during a Fieldbus path failure? A: The module communicates via a redundant 2 Mbps module Fieldbus. If one communication path experiences signal attenuation or physical rupture, internal logic switches immediately to the secondary channel without dropping active process data loops.

Q: Can this hardware be inserted into an energized baseplate inside a Class G3 environment? A: Yes, the unit supports hot-swappable installation, allowing connection to the backplane under power. The conformal coating provides passive structural protection against corrosive elements in harsh Class G3 environments during operation.

Field Installation Guidelines

Baseplate Engagement: Position the FBM201 onto the standard FBM rack or mounting baseplate. Press vertically down until the backplane connectors lock into position, securing the integrated latching mechanisms.
Termination Assembly Connection: Use designated Termination Assemblies (TAs) to link field sensor wiring to the module. Ensure external loop power links match the selected input impedance type (e.g., 0 to 20 mA DC loop restrictions versus voltage interfaces).
Grounding Protocols: Connect all instrumentation cable shields to a dedicated, low-impedance master system ground bus. Avoid multiple grounding points on individual loops to preserve the channel-to-channel galvanic isolation specifications.
Cable Separation: Keep low-signal field cables separated from high-voltage AC cables inside the cabinet routing channels by at least 30 cm to mitigate potential high-frequency inductive cross-talk.

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