P0972TQ Foxboro Evo Redundant FBM Baseplate
Manufacturer: Foxboro
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Part Number: P0972TQ
Condition：New with Original Package
Product Type: Baseplate Assemblies
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Foxboro P0972TQ Redundant FBM Baseplate Assembly
The Foxboro P0972TQ, also cataloged as the P0972TQ Redundant FBM Baseplate Assembly, operates as a dedicated hardware component for regulated power distribution and backplane fieldbus signal routing within Foxboro Evo and I/A Series platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P0972TQ |
| Brand | Foxboro |
| Origin | United States |
| Weight | 0.5 kg |
| Dimensions | 63.5 x 124.46 x 307.34 mm |
| Operating Temp | 0 to +60 deg C |
| Storage Temp | -40 to +85 deg C |
| Power Consumption | Standard Backplane Bus Load |
| Module Slots | Dual slots for redundant module installation |
| Supported Modules | FBM217, FBM218, FBM219 |
| Communication Interface | Redundant Module Fieldbus to System Backplane |
4-20 mA HART Loop Protocol & Channel Isolation
The baseplate assembly integrates galvanic isolation channels that isolate field instrumentation loop signals from backplane logic networks and internal power rails. Copper traces routed across the multi-layer printed circuit board maintain impedance control to preserve digital Frequency-Shift Keying (FSK) signals utilized in the 4-20 mA HART loop protocol. Dedicated physical bus routing isolates primary and secondary fieldbus modules installed in adjacent slots, suppressing cross-talk, preventing circulating earth ground currents, and preserving continuous signal integrity across redundant process control loops.
Frequently Asked Questions
Q: Can an individual Fieldbus Module be replaced on the P0972TQ baseplate without disrupting the adjacent active module?
A: Yes, each baseplate slot features independent power distribution feeds and isolated fieldbus bus interfaces. Field technicians can hot-swap a single module on one slot while the paired module maintains live processing without interrupting system backplane communication.
Q: Does the P0972TQ baseplate function with a single non-redundant module installed?
A: Yes, a single FBM operates correctly in either slot. However, complete fault-tolerant system behavior requires populating both slots with a matched module pair.
Q: How does the baseplate architecture isolate internal control circuits from field-side electrical surges?
A: Channel-to-system galvanic isolation barriers built into the baseplate power paths and signal lines isolate system backplane logic from transient voltage spikes and ground loop interference originating on field wiring terminals.
Field Installation Guidelines
- Mount the baseplate assembly vertically or horizontally onto standard enclosure DIN rails or rack mounting structures using designated fasteners.
- Connect main system power cables to the baseplate power input terminal block, verifying lead polarity before energizing the power rail.
- Fasten a low-impedance copper ground cable from the dedicated baseplate chassis grounding stud directly to the main cabinet instrument earth bus bar.
- Align the card edge guides of the fieldbus module with the baseplate slot tracks and insert firmly until the backplane connectors fully lock.
- Separate low-voltage analog signal cables from high-voltage AC lines within cabinet wire ducts, and terminate cable shield drain wires at a single point on the cabinet ground rail.