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Foxboro FBM216 P0922VV Foxboro I/A Series HART Input Interface Module
FBM216 P0922VV is Brand New in Original Stock with Global Shipping. 8-channel HART input module for Foxboro I/A Series DCS.
Description
The Foxboro FBM216 P0922VV, also cataloged as the FBM216 HART communication redundant input interface module, operates as a dedicated hardware component for HART field device hosting and analog variable acquisition within Foxboro I/A Series platforms. The module manages eight group-isolated input channels capable of processing standard 4 to 20 mA signals and HART digital communications simultaneously. Through asynchronous half-duplex digital polling at 1200 baud, the hardware delivers real-time diagnostic and process data backplane transmission to centralized DCS controllers.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FBM216 P0922VV |
| Brand | Foxboro |
| Origin | USA |
| Weight | Standard modular weight |
| Dimensions | Standard modular dimensions |
| Operating Temp | Standard industrial range |
| Power Consumption | Compliance Voltage: 18 VDC minimum at 20.5 mA |
| Product Type | HART communication redundant input interface module |
| Input Channels | 8 group-isolated channels |
| Supported Protocol | HART Protocol v6 |
| Digital Baud Rate | 1200 baud (point-to-point, master/slave, asynchronous, half-duplex) |
| Communication Error Checking | Parity on each byte and one CRC check byte |
| Messaging Speed | 2 messages per second (fastest ECB block period: 500 ms) |
| Maximum Distance | Up to 3030 meters (10000 feet) per HART FSK HCF_SPEC-54 Rev 8.1 |
| Sense Resistor | 61.9 Ohms nominal |
| Total Input Resistance | 280 Ohms minimum |
| Analog Accuracy | +/-0.075% of full scale (includes nonlinearity) |
| Resolution & Update Rate | 15 bits, 100 ms update rate (integration time: 500 ms) |
| Temperature Coefficient | 50 PPM/deg C |
| Rejection Ratios | CMRR >100 dB at 50/60 Hz; NMRR >35 dB at 50/60 Hz |
Process Control & Fieldbus Communications
The Foxboro FBM216 P0922VV integrates direct 4-20 mA HART loop protocol communications across eight group-isolated input paths. The module continuously executes FSK digital signal extraction without degrading analog 4-20 mA current signals. Featuring a high common-mode rejection ratio (>100 dB at 50/60 Hz) and group isolation, the module prevents ground potential offsets and external electrical noise from compromising 15-bit high-resolution process measurement accuracy.
Frequently Asked Questions
Q: What is the maximum cable distance allowed between the FBM216 P0922VV and connected field devices?
A: In accordance with HART FSK physical layer specification HCF_SPEC-54 Revision 8.1, the module supports field wiring distances up to 3030 meters (10000 feet).
Q: How does the FBM216 P0922VV maintain signal integrity during HART digital data exchange?
A: The module executes parity verification on each byte along with a cyclic redundancy check (CRC) byte over asynchronous 1200 baud half-duplex transmissions, preventing corrupted command execution.
Q: Can standard analog-only transmitters be mixed with HART devices on the same module?
A: Yes, the eight group-isolated channels natively accept any mix of standard 4 to 20 mA analog transmitters and HART-compliant field instruments.
Field Installation Guidelines
Mount the Foxboro FBM216 P0922VV directly onto the designated slot of the Foxboro I/A Series baseplate. Prior to insertion, clear card guide rails of any physical obstructions and verify backplane power integrity. Align the printed circuit board card edge with the baseplate interface, then press the unit firmly into position until mechanical locking levers engage.
Connect field wiring through dedicated termination assemblies using shielded twisted-pair cables. Ground all cable shields at a single earth ground terminal point in the control panel to prevent ground loop noise. Ensure total loop resistance meets the 280 Ohms minimum requirement and maintain compliance voltage levels above 18 VDC at 20.5 mA for connected loop-powered devices.
Additional information
| Weight | 0.32 kg |
|---|---|
| Dimensions | 61 × 43 × 36 mm |
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