Description
| Parameter | Specification Details |
| Product Name | Output Interface Module (Isolated) |
| Model Number | FBM237 |
| Part Number | RH914XS (Replaces P0914XS) |
| Series | Foxboro I/A Series / EcoStruxure Foxboro DCS |
| Output Channels | 8 Isolated Channels |
| Signal Range | 0 to 20 mA DC |
| Accuracy | ±0.05% of span |
| Isolation | 600 V AC (Channel-to-ground), 10 V AC (Channel-to-channel) |
| Power Consumption | 3.5 W (Maximum) |
| Operating Temp | -20 to +70 °C (-4 to +158 °F) |
| Communication | redundant Fieldbus (100 Mbps) |
| Mounting | Baseplate (Horizontal or Vertical) |
The Foxboro FBM237 (RH914XS) is a high-performance analog output module designed for the I/A Series Distributed Control System, providing eight channels of isolated 0-20 mA signals to field actuators and valves. In my experience, the RH914XS revision is particularly valued for its “High-Density” design and robust galvanic isolation, which effectively eliminates ground loop interference in complex refinery or chemical plant layouts. Because this module handles critical control elements, its built-in fail-safe states—allowing you to pre-program “hold last value” or “go to zero” during a communication loss—are vital for preventing process upsets during unplanned network events.
FOXBORO FBM237 RH914XS
FOXBORO FBM237 RH914XS
FOXBORO FBM237 RH914XS
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