The Foxboro FBM239 (P0927AG) is a high-density discrete I/O module designed for integration into the I/A Series distributed control system. This module facilitates the interface between field devices—such as limit switches, solenoids, and motor starters—and the control processor, providing reliable binary signal management in mission-critical process environments.
This module is engineered for demanding sectors including oil and gas, chemical processing, and power generation. Its robust design is ideal for applications requiring high-availability binary control and monitoring, such as automated valve sequencing, equipment status tracking, and distributed logic execution.
| Parameter | Specification |
|---|---|
| Model | FBM239 (P0927AG) |
| Module Type | Discrete Input / Output |
| Channels | 16 (Combined) |
| Nominal Input Voltage | 24 VDC |
| Output Current | 0.25 A per channel (typical) |
| Power Consumption | 4 W maximum |
| Operating Temperature | -20 to +70 deg C |
| Storage Temperature | -40 to +85 deg C |
| Humidity | 5 to 95% (non-condensing) |
| Protection Rating | G3 Harsh Environment |
Is the FBM239 P0927AG hot-swappable?
Yes, this module is designed to be hot-swappable, allowing for replacement during active system operation without requiring a shutdown.
What is the primary function of the galvanic isolation on this module?
The 600 VAC galvanic isolation acts as a barrier to protect the control system's internal logic from electrical noise, spikes, or ground loops originating from the field-side devices.
Does this module support pulse counting?
Yes, the hardware supports software-configurable pulse counting and state change detection to accommodate specific timing requirements at the machine level.
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