The Honeywell FC-IO-0001 (also identified by the order number 10100/2/1) is a fundamental I/O Extender Module and interface baseplate designed for the Honeywell Fail-Safe Control (FSC) and Safety Manager systems. This module serves as the primary mechanical and electrical bridge between high-performance I/O modules and field-side devices. By facilitating seamless power distribution and signal routing through the system backplane, the FC-IO-0001 ensures that critical process data is delivered to the safety logic solver with maximum integrity and minimal latency.
In modern Safety Instrumented Systems (SIS), reliability is paramount. The FC-IO-0001 is engineered to support SIL 3 safety loops, providing a stable platform for both digital (24 VDC) and analog (4–20 mA) I/O modules. It features ruggedized screw-type terminals for secure field wiring and an integrated interface for advanced diagnostics, including open-circuit, short-circuit, and hardware watchdog monitoring. Designed to withstand harsh industrial environments, the module operates reliably across a wide temperature spectrum from –40 °C to +70 °C, ensuring continuous protection in oil and gas refineries, petrochemical plants, and power generation facilities.
| Feature | Specification Details |
| Manufacturer | Honeywell |
| Model Number | FC-IO-0001 |
| Order Number | 10100/2/1 |
| Product Type | I/O Extender Module / Interface Baseplate |
| Module Compatibility | Compatible with all FSC Digital and Analog I/O cards |
| Terminal Interface | Heavy-duty screw-type terminals |
| Signal Support | 24 VDC Digital; 4–20 mA Analog signals |
| Power Input | Regulated 24 VDC via system backplane |
| Diagnostics | Supports loop-back monitoring and line integrity tests |
| Safety Integrity | SIL 3 Capable (IEC 61508) |
| Operating Temperature | –40 °C to +70 °C |
| Protection Class | IP20 |
| Weight | 0.6kg |
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