Overview
Configured for 60 VDC voltage monitoring and fused discrete output switching in the Foxboro I/A Series DCS network, the Invensys P0917LE (FBM219 Compact TA module) provides direct physical and electrical signal interface execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P0917LE / FBM219 |
| Brand | Invensys |
| Product Type | Discrete I/O Interface Modules |
| Origin | USA |
| Weight | 0.3 kg |
| Dimensions | 10.5 x 10 x 4 cm (shipping size) |
| Operating Temp | -20 to +70 deg C |
| Power Consumption | 5 W to 6 W maximum |
| Module Function | Compact TA module with voltage monitor input and fused output |
| Input Configuration | 60 VDC Voltage Monitor Input |
| Output Configuration | 60 VDC Output with 0.25 A Fuse Protection |
| System Platform | Foxboro I/A Series DCS |
| Communication Interface | Redundant Fieldbus communication |
| Mounting Type | Baseplate mounting with termination assembly interface |
| Environmental Rating | ISA S71.04 Class G3 harsh environment support |
Process Signal Isolation and DCS Interface Characteristics
The FBM219 module interfaces field discrete signals with the Foxboro I/A Series DCS through termination assembly connections. Moreover, the module supports voltage monitoring functions for 60 VDC circuits and provides fused output switching capability with a 0.25 A protection rating.
The module design follows DCS process I/O requirements, including channel isolation, field signal conditioning, and controlled electrical separation between field wiring and system electronics. In addition, its Compact TA configuration simplifies installation where termination assembly space restrictions exist.
For Foxboro process control architectures, signal handling commonly includes channel-to-channel isolation, 4-20 mA HART loop protocol interfaces, and FOUNDATION Fieldbus / Profibus PA connectivity at related I/O levels. However, the FBM219 specifically performs discrete voltage monitoring and switching functions rather than analog transmitter processing.
Frequently Asked Questions
Q: What type of field signals does the Invensys P0917LE FBM219 process?
A: The module processes 60 VDC voltage monitor input signals and provides 60 VDC output switching with 0.25 A fused protection.
Q: Does the FBM219 support hot replacement in an operating Foxboro I/A Series system?
A: The FBM219 platform supports maintenance procedures defined by the installed Foxboro I/A Series configuration. Engineers should verify system-level hot-swap rules before module replacement.
Q: What installation factors affect FBM219 signal performance?
A: Proper field wiring separation, shielding practices, grounding methods, and termination assembly connections affect signal integrity and electrical performance.
Field Installation Guidelines
- Install the FBM219 module on the specified Foxboro termination assembly and baseplate hardware.
- Verify that field wiring matches the required 60 VDC voltage monitor and output switching circuits before energizing the module.
- Maintain separation between signal wiring and high-voltage power cables to reduce electrical interference.
- Connect cable shields according to site grounding standards and avoid multiple grounding points that may create unwanted current paths.
- Confirm fuse protection requirements for external output loads before applying field power.
- Inspect termination points for correct polarity, secure connections, and mechanical stability during commissioning.
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