Product Core Brief
- Model: FBM207C (Associated Part: P0917GY / RH917GY)
- Brand: FOXBORO (Schneider Electric / Invensys)
- Series: I/A Series DCS
- Core Function: Provides 16 channels of isolated discrete inputs for voltage monitoring and contact sensing.
- Product Type: Discrete Input Module / Voltage Monitor
- Key Specs: 16 Channels | 15-60 VDC / 120 VAC / 240 VAC | Hot-Swappable | Redundancy Capable
- Condition: New Original / New Surplus

FOXBORO FBM207C
Product Introduction
FOXBORO is a high-performance discrete input module designed for the I/A Series distributed control system. It serves as a critical interface for monitoring field status, accepting signals from contact closures, solid-state switches, or direct voltage sources.
This industrial automation unit features channel-to-channel isolation and supports a wide range of industrial voltage levels through the use of specific Terminal Assemblies (TA). Its robust design is rated for Class G3 harsh environments, making it ideal for power generation, petrochemical, and heavy manufacturing applications where reliability is paramount.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Module Type | Discrete Input / Voltage Monitor |
| Channel Count | 16 Isolated Channels |
| Input Signals | Contact Closure, Voltage Monitor, Pulse Count |
| Voltage Range | 15-60 VDC, 120 VAC/125 VDC, 240 VAC |
| Isolation | Channel-to-Channel & Group Isolation |
| Redundancy | Supports Single or Redundant Module Config |
| Environmental Rating | Class G3 (Harsh Environment) |
| Mounting | I/A Series FBM Slot |
| Hot-Swap | Supported |
| Diagnostics | Built-in Channel & Module Status |
Quality Control Process
We validate every FOXBORO before shipment to ensure operational readiness:
- Visual & Physical Inspection: Backplane connectors and terminal assembly points are checked for pin straightness, corrosion, or mechanical stress.
- Functional Test: Modules are powered up in a test rack to verify LED status indicators and backplane communication handshake.
- Signal Verification: Each of the 16 channels is stimulated with appropriate voltage/contact signals to confirm accurate state reporting and isolation integrity.
- Cleaning & Packaging: Units are cleaned, anti-static shielded, and desiccant-packed to prevent moisture damage during transit.

FOXBORO FBM207C
Replacement Pitfall Guide
❗ Terminal Assembly (TA) Matching: The requires a specific Terminal Assembly (e.g., P0917GY) to match your field voltage. Never install the FBM without the correct TA. Using a 24VDC TA on a 120VAC field signal will instantly destroy the module and potentially the backplane.
❗ Redundancy Configuration: If installing in a redundant pair, ensure both modules are identical and configured correctly in the DCS. Mismatched firmware or hardware revisions in a redundant set can cause continuous fault toggling and system instability.
❗ Isolation Grounding: While channels are isolated, ensure the TA shield ground is properly connected to the cabinet ground. Floating shields in high-noise environments can induce false trips or erratic channel readings.
❗ Hot-Swap Procedure: Although hot-swappable, always verify the redundant path is active before removing a primary module. Removing the sole active module under load can cause a momentary loss of field visibility to the controller.
Compatibility Matrix & Benchmarks
| Original Model | Replacement / Successor | Compatibility Level | Migration Notes |
|---|---|---|---|
| (P0917GY) | Direct | Verify exact TA part number suffix | |
| FBM207B | Conditional | Older revision; verify firmware compatibility | |
| FBM207 | Needs Adaptation | Base model; check voltage range differences | |
| FBM242 | Functional Alt | Discrete Output module; different function |
- Lead Time: Typically 1-3 weeks for surplus stock; 4-8 weeks for new factory orders.
- Warranty: Standard 12-month functional warranty.







