Overview
Configured for 4-20 mA HART signal output execution in Foxboro Evo and I/A Series System platforms, the Foxboro FBM215 P0917XV (FBM215 HART Communication Output Interface Module) provides direct electrical output control through eight isolated analog channels.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FBM215 P0917XV |
| Brand | Foxboro |
| Origin | USA |
| Product Type | HART Communication Output Modules |
| Output Channels | 8 channel-isolated outputs |
| Signal Output | 4-20 mA DC analog output with superimposed HART FSK digital communication |
| Communication Protocol | HART communication protocol |
| Channel Isolation | Galvanic isolation between channels, logic, and earth ground |
| Isolation Withstand | 600 V AC withstand |
| Analog Accuracy | +/- 0.05% of span |
| Resolution | 13 bits |
| Output Load | 750 ohm maximum |
| Maximum Output Change Rate | 20 mA in 60 ms |
| Loop Protection | Current limited at approximately 25 mA per channel with voltage regulation |
| Field Communication Distance | Up to 3030 m according to HART FSK specification |
| Power Supply | 24 VDC +/- 5% redundant input |
| Power Consumption | 7 W maximum |
| Heat Dissipation | 5 W maximum |
| Operating Temp | -20 deg C to +70 deg C |
| Storage Temp | -40 deg C to +70 deg C |
| Relative Humidity | 5% to 95% non-condensing |
| Altitude | -300 m to +3000 m operating |
| Dimensions | 102 mm H x 45 mm W x 104 mm D |
| Weight | Approximately 284 g |
| Mounting | 200 Series DIN-rail or rack modular baseplates |
| Environmental Rating | ISA S71.04 Class G3 harsh environment |
| Certifications | UL/UL-C Class I Division 2 Groups A-D, ATEX/IECEx Zone 2 EEx nA IIC T4, CE EMC compliance |
HART Current Loop and Channel Isolation Technology
The Foxboro FBM215 P0917XV implements HART communication over standard 4-20 mA current loops. Each output channel generates an analog current signal while transmitting digital FSK communication data on the same loop circuit.
The module maintains channel-to-channel isolation and separates field wiring from internal logic circuits. Therefore, multiple field devices can operate independently without common signal interference. The redundant 2 Mbps module fieldbus connection transfers control data between the FBM and the Foxboro control system.
Frequently Asked Questions
Q: Does the FBM215 P0917XV support both analog output and HART communication simultaneously?
A: Yes. Each output channel provides a 4-20 mA analog current signal with a superimposed HART FSK digital communication signal.
Q: Can the FBM215 P0917XV be replaced while the system remains powered?
A: Yes. The module supports hot-swappable replacement through the plug-in design. Field procedures must follow the applicable Foxboro system installation requirements.
Q: What type of field wiring isolation does the FBM215 provide?
A: The module provides galvanic isolation between individual channels, internal logic circuits, and earth ground to reduce electrical interaction between field loops.
Field Installation Guidelines
- Install the FBM215 P0917XV on the specified Foxboro 200 Series DIN-rail or rack mounting baseplate.
- Verify the 24 VDC redundant power connection before module insertion.
- Route 4-20 mA signal wiring separately from high-voltage power cables and switching circuits.
- Connect cable shields according to the Foxboro system grounding practice to minimize electromagnetic interference.
- Confirm field device loop resistance remains within the module output load capability.
- Check HART communication performance after wiring completion by verifying digital communication between the control system and connected field devices.
- Replace the module only according to approved hot-swap procedures to maintain system fieldbus operation.
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