P0926GH Foxboro Channel Communication Terminal

P0926GH Foxboro Channel Communication Terminal | New Stock

Availability: 10 left in stock

Foxboro P0926GH FBM224/FBM230/FBM231 Series Configured for high-density signal acquisition and control tasks in Foxboro I/A Series distributed control networks, the...

SKU: P0926GH

Manufacturer: Foxboro
Product No.: P0926GH
Product Type: Analog Input Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 800g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Foxboro P0926GH FBM224/FBM230/FBM231 Series

Configured for high-density signal acquisition and control tasks in Foxboro I/A Series distributed control networks, the Foxboro P0926GH, also cataloged as the P0926GH Channel Communication Terminal, provides direct physical/electrical execution. It interfaces the fieldbus infrastructure with active Fieldbus Modules (FBM224/FBM230/FBM231), utilizing a compression polyamide termination assembly layout to route and digitize active instrumentation currents.

Hardware Specifications

Parameter	Specification
Model	P0926GH
Brand	Foxboro
Origin	USA
Weight	0.7-1.0 kg (1.06 lbs baseline)
Dimensions	Compact modular design footprint
Operating Temp	-40 to +85 deg C
Power Consumption	24 VDC Nominal
Analog Inputs	16 channels (voltage/current, programmable range)
Analog Outputs	8 channels (voltage/current, programmable range)
Resolution	16-bit
Accuracy	+-0.1% of full scale
Isolation	Channel-to-channel and backplane isolation
Interface	Backplane connection
Protection Rating	IP65
Diagnostics	Fault detection and self-diagnostics
Hot-swap	Supported

Process Control & DCS Instrumentation Matrix

The communication terminal architecture routes signals across a dedicated 4-20 mA HART loop protocol layer, embedding 16 analog input channels and 8 analog output channels within a single sub-assembly frame. To preserve conversion fidelity under high electromagnetic interference, the hardware executes stringent channel-to-channel isolation parameters alongside optical decoupling barriers to the backplane bus. This design stabilizes the 16-bit resolution conversion matrix, suppresses near-end cross-talk across adjacent terminal pathways, and maintains reference stability during simultaneous high-speed loop updates without relying on external grounding baluns.

Frequently Asked Questions

Q: Does the P0926GH assembly support hot-swap replacement during active loop control?

A: Yes. The hardware design allows the module to be hot-swapped without removing system power or disrupting adjacent backplane traffic. However, during the swap interval, the 16 analog inputs and 8 analog outputs connected to this specific terminal block will lose active communication, forcing associated DCS control loops to hold their last value or transition to a pre-configured fail-safe state.

Q: What are the installation restrictions concerning the compression polyamide termination assembly?

A: The polyamide housing is rated for a wide operating temperature range (-40 to +85 deg C) and provides IP65 environmental protection against moisture and particulates. Mechanical wire insertion must utilize standard torque tolerances on the compression clamps to prevent intermittent high-resistance contacts that degrade the +-0.1% full-scale measurement accuracy.

Field Installation Guidelines

Terminal Assembly and Mounting: Seat the P0926GH firmly onto its baseplate slot until the locking levers click into place. Confirm the backplane pins are straight and clean before physical engagement to prevent structural deformation.
Wiring Discipline: Strip field conductors to the recommended length before inserting them into the compression polyamide terminals. Separate low-voltage 4-20 mA analog signal cables from high-voltage AC power routing conduits to minimize capacitive noise coupling.
Shield Grounding Matrix: Terminate the field instrument cable shields at the dedicated single-point grounding rail inside the DCS cabinet. Do not ground instrument shields at both ends, as this creates ground loops that can bypass the internal channel-to-channel isolation circuits.
Thermal Management: Ensure cabinet fans and ventilation paths provide adequate convective airflow across the assembly to maintain the local temperature below the maximum +85 deg C threshold under high-density ambient conditions.

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