The Foxboro P0917TQ, also cataloged as the FBM215 HART Output Module, operates as a dedicated hardware component for HART signal transmission within Foxboro I/A Series and Evo DCS platforms. Interfacing directly with field actuators and smart positioners, this module converts digital control commands into analog field outputs overlaid with HART protocol communications.
| Parameter | Specification |
|---|---|
| Model | P0917TQ (FBM215) |
| Brand | Foxboro (Invensys / Schneider Electric) |
| Origin | USA |
| Weight | 0.5-1.0 kg |
| Dimensions | Standard Foxboro 200 Series Baseplate Envelope |
| Operating Temp | -20 to +70 deg C |
| Power Consumption | Baseplate Bus Powered |
| System Compatibility | Foxboro I/A Series / Evo DCS Platforms |
| Module Type | HART Output Communication Module |
| Subsystem Interface | FBM215 Architecture |
| Signal Transmission | Analog Output with HART Digital Superposition |
| Channel-to-Channel Isolation | Galvanic Isolation Across Output Paths |
| Humidity Range | 5% to 95% RH, non-condensing |
| Protection Level | Conformal Coated PCB Assembly |
| Mounting | Baseplate Rack / DIN Rail Mounting |
| Certifications | CE, UL, CSA Compliance |
The Foxboro P0917TQ uses dedicated channel-to-channel isolation barriers across output channels to prevent ground loop currents from interfering with field instrumentation. Operating via the 4-20 mA HART loop protocol, the module superimposes digital FSK communication signals onto analog current loops without interrupting analog command states. Conformal-coated internal circuitry protects signal drivers from aggressive chemical vapors and industrial condensation.
Q: How does the module handle real-time hot-swapping during active DCS operations?
A: The module inserts into standard 200 Series baseplate slots using plug-in backplane connectors, allowing technicians to perform live maintenance without disrupting communication across adjacent baseplate modules.
Q: Does channel-to-channel isolation prevent field-side electrical faults from propagating back to the control system?
A: Yes, internal galvanic isolation restricts high-voltage surges and short-circuit faults to the individual output terminal block, shielding internal bus electronics and neighboring I/O channels from electrical damage.
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