Overview
The Invensys FBM202 P0926EQ, also cataloged as the FBM202 Input Module, operates as a dedicated hardware component for thermocouple and millivolt signal acquisition within the Foxboro I/A Series system.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FBM202 P0926EQ |
| Brand | Invensys |
| Product Type | Thermocouple / Millivolt Input Module |
| System Platform | Foxboro I/A Series |
| Input Channels | 8 Channel Isolated Inputs |
| Input Signal Type | Thermocouple / mV |
| Origin | USA |
| Weight | 0.35 kg |
| Dimensions | 4.5 cm x 10.5 cm x 11.5 cm |
| Isolation Type | Channel Isolated Input Design |
| Tariff Code | 8537101190 |
Channel Isolation and Temperature Signal Processing
The Invensys FBM202 P0926EQ provides eight isolated input channels for thermocouple and millivolt signal measurement. Moreover, the channel isolation structure separates field signal paths to reduce interference between measurement points. The module processes low-level analog signals before transferring measurement data through the I/A Series communication architecture.
The FBM202 supports thermocouple measurement functions that require stable cold junction compensation (CJC) handling within process control environments. In addition, the isolated input design supports field wiring separation and reduces signal coupling during multi-channel temperature monitoring applications.
Frequently Asked Questions
Q: What input signals does the FBM202 P0926EQ support?
A: The FBM202 P0926EQ supports thermocouple and millivolt input signals through eight isolated input channels.
Q: Does the FBM202 P0926EQ provide channel-to-channel isolation?
A: Yes. The module uses a channel isolated input structure to separate individual measurement circuits.
Q: Can the FBM202 P0926EQ be installed with standard Foxboro I/A Series hardware?
A: The module is designed for integration within the Foxboro I/A Series platform. Installation should follow the applicable system hardware configuration requirements.
Field Installation Guidelines
Install the FBM202 P0926EQ according to the Foxboro I/A Series hardware installation procedures. Verify the module seating position and ensure proper mechanical engagement with the system mounting structure.
Use shielded field wiring for thermocouple and millivolt signal connections where required by the site electrical design. Connect cable shields according to the plant grounding specification to reduce electromagnetic interference.
Separate low-level analog input wiring from high-voltage power cables and switching circuits. Confirm terminal assignments before applying field signals, and inspect wiring polarity for thermocouple connections to prevent incorrect temperature readings.
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