P0916TA Foxboro Analog Input Module

Analog Input Module | Foxboro P0916TA FBM242 I/A Series

Analog Input Module | Foxboro P0916TA FBM242 I/A Series

Availability: 10 left in stock

Foxboro FBM242 P0916TA Analog Input Module Configured for high-density 4-20 mA analog signal processing in Foxboro I/A Series and Foxboro...

SKU: FBM242 P0916TA

Manufacturer: Foxboro
Product No.: FBM242 P0916TA
Product Type: Analog Input Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 350g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Foxboro FBM242 P0916TA Analog Input Module

Configured for high-density 4-20 mA analog signal processing in Foxboro I/A Series and Foxboro Evo DCS platforms, the Foxboro FBM242 P0916TA (FBM242 Analog Input Module) provides direct physical/electrical execution across redundant Fieldbus networks. The module interfaces 16 isolated current loops, converting field transmitter signals into high-resolution digital data while enforcing strict channel-to-channel isolation.

Hardware Specifications

Parameter	Specification
Model	FBM242 / P0916TA
Brand	Foxboro
Origin	USA
Weight	0.35 kg
Dimensions	4.5 cm x 11 cm x 11.5 cm
Operating Temp	0 to +60 deg C
Power Consumption	24 VDC (Redundancy Supported)
Input Channels	16 Isolated Analog Input Channels
Input Range	4-20 mA DC
Measurement Accuracy	+/-0.05% of span
Isolation Architecture	Galvanic isolation withstands 600 VAC
Communication	Redundant Fieldbus Interface
Onboard Memory	16 MB SDRAM, 32 MB Flash

4-20 mA HART Loop Protocol and Galvanic Isolation

The hardware incorporates dedicated channel-to-channel isolation circuits rated to withstand 600 VAC continuous common-mode voltage. By breaking ground paths between field-side transmitters and the internal backplane logic, the module eliminates measurement offset caused by ground potential differences across long cable runs. Each 4-20 mA loop runs through an independent Sigma-Delta analog-to-digital converter circuit with adjustable filtering. This architecture prevents localized electrical field transients or shorted loop wiring on one input point from corrupting adjacent channels or interrupting backplane communication on the redundant DCS Fieldbus.

Frequently Asked Questions

Q: Does the FBM242 P0916TA module support hot-swapping under live backplane power?

A: Yes, the module supports live insertion and removal directly into standard Foxboro baseplates without shutting down backplane power or disturbing adjacent I/O modules on the same Fieldbus segment.

Q: How does the channel isolation function during an field wiring short circuit?

A: Galvanic channel-to-channel isolation limits fault propagation. A short circuit or open loop on an individual input point remains completely localized to that terminal block point without dropping system voltage on the other 15 input loops.

Q: What are the primary software configuration steps required when upgrading from an 8-channel module to this 16-channel card?

A: Engineers must update the system software I/O point mapping to reflect the 16-point block structure and confirm that the connected Termination Assembly (TA) matches the P0916TA wiring pinout layout.

Field Installation Guidelines

Mount the module vertically into the designated baseplate slot, pressing firmly until the retention mechanism fully engages with the backplane connector. Maintain proper shielding protocols by terminating overall cable shields to the cabinet earth ground bar via low-impedance grounding clamps. Ensure field wiring runs through separate conduit channels away from high-voltage AC power lines to prevent inductive noise coupling into the sensitive 4-20 mA analog circuits.

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