I/A Series 2-Slot FBM Baseplate Module Foxboro P0926HW
Manufacturer: Foxboro
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Part Number: P0926HW
Condition：New with Original Package
Product Type: FBM Baseplates
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Foxboro P0926HW I/A Series 2-Slot FBM Baseplate
The Foxboro P0926HW, also cataloged as the P0926HW 2-Slot FBM Baseplate, operates as a dedicated hardware component for mechanical mounting, power distribution, and backplane signal routing within Foxboro I/A Series and Evo DCS platforms. The unit accommodates dual Fieldbus Modules such as the FBM217, FBM218, and FBM219 in paired configurations, establishing deterministic communication links and power paths between individual modules and the main system rack.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P0926HW |
| Brand | Foxboro |
| Origin | USA |
| Weight | 0.36 kg (0.80 lbs) |
| Dimensions | Standard 2-Slot Baseplate Form Factor |
| Operating Temp | 0 deg C to +60 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Power Consumption | Passive baseplate routing (dependent on FBM load) |
| Product Type | 2-Slot FBM Baseplate / Chassis Module |
| System Compatibility | Foxboro I/A Series / Evo DCS |
| Slot Configuration | Two FBM slots |
| Supported Modules | FBM217, FBM218, FBM219 |
| Power Handling | Integrated FBM power distribution |
| Signal Routing | Backplane and fieldbus signal interface |
| Diagnostics Support | Enables FBM self-diagnostics |
| Compliance | IEC standards, CE compliant |
Channel-to-Channel Isolation and Loop Protocol Routing
The Foxboro P0926HW baseplate utilizes channel-to-channel isolation architecture across its backplane interface pins to isolate field signals from internal system logic. This isolation mechanism blocks transient voltage surges and eliminates ground loop currents across adjacent module slots. Designed to support 4-20 mA HART loop protocol communications, the internal circuit paths maintain constant trace impedance, preventing signal attenuation and cross-talk during high-frequency data transmission. Additionally, integrated passive trace paths distribute cold junction compensation (CJC) references to connected thermocouple input modules, ensuring accurate temperature measurement across varying control panel ambient conditions.
Frequently Asked Questions
Q: Does the P0926HW baseplate execute active I/O logic or signal conversion?
A: No. The P0926HW functions strictly as a passive electrical and mechanical backplate interface that routes power and communication signals to mounted Fieldbus Modules.
Q: Can modules be inserted or removed from the P0926HW while power is applied?
A: Yes. The baseplate pin contacts support hot-swapping of compatible FBMs, allowing live module replacement without interrupting continuous power delivery or backplane bus communication to the adjacent slot.
Q: What grounding procedure must be followed when installing the P0926HW baseplate?
A: Fasten the baseplate directly onto a grounded metallic DIN rail or cabinet frame via its built-in mechanical mounting clips to establish a low-impedance earth ground connection.
Field Installation Guidelines
Mount the P0926HW baseplate onto a standard DIN rail inside a protective enclosure, maintaining sufficient clearance around the assembly to promote natural convection cooling. Verify that ambient enclosure temperatures remain strictly within the 0 deg C to +60 deg C operational threshold.
Connect incoming system power supplies to the designated terminal connectors on the baseplate backplane. Ensure that all field cable shielding connects to a central grounding bar at a single point to prevent ground loops. When inserting FBM modules into the slots, align the edge connectors carefully and push firmly until the retaining latches click into place, securing the physical and electrical interface against vibration.