Description

Honeywell FC‑RUSIO‑3224C Redundant Universal Safety Remote I/O Module

Technical Specifications

• Product Model: FC‑RUSIO‑3224C
• Brand: Honeywell (FSC / Safety Manager Safety System)
• Warranty: One Year
• Input Voltage: 24 VDC (18‑30 VDC), powered by Safety Manager rack backplane
• Operating Temperature: 0 °C ~ +60 °C rack‑mount
• Storage Temperature: ‑40 °C ~ +85 °C
• Response Time: I/O update cycle ≤10 ms for safety loops
• Protection Class: IP20, cabinet‑only indoor installation
• Safety Certification: IEC61508 SIL3 certified safety I/O module
• Channel Configuration: 32‑channel universal configurable digital input / output; 24VDC field signal level
• Rated Current: Digital output 0.5 A per channel; module typical consumption 4.8 W
• Redundancy Support: Supports dual‑module hot‑standby redundant configuration
• Diagnostics: Channel‑level open‑circuit, short‑circuit diagnostics; front‑panel LED status indicators; fault event logging to safety CPU
• Galvanic Isolation: Field side vs controller backplane 1500 VAC isolation
• Communication: FSC system internal safety bus for data exchange with Safety Manager CPU
• Mounting: Standard Honeywell FSC rack slot form‑factor
• Dimensions / Weight: 240 mm × 160 mm × 32 mm; approx 0.78 kg
• 

Product Overview

The FC‑RUSIO‑3224C is a SIL3‑compliant redundant universal remote I/O module for Honeywell FSC Safety Manager safety instrumented system. Each of its 32 channels can be software‑configured as digital safety input or digital safety output, providing high‑flexibility signal interface for safety‑critical field sensors and actuators. It supports hot‑standby redundant deployment to achieve bumpless switch‑over upon single‑module hardware failure, minimizing safety‑system downtime. Built‑in comprehensive channel diagnostics detect wiring faults, short‑circuit and open‑loop conditions and feed fault information back to safety controller. High‑grade galvanic isolation defends the safety rack from field‑side voltage surges and ground‑loop interference, delivering stable operation in oil‑gas, chemical and power‑plant heavy‑EMI cabinet environments.

This safety I/O module addresses flexible high‑availability safety‑loop challenges: universal configurable DI/DO channels, SIL3 safety certification, hot‑standby redundancy capability, drop‑in spare‑part compatibility for legacy FSC Safety‑Manager retrofit‑maintenance projects. Safety automation engineers, refinery and process‑plant maintenance technicians and retrofit integrators benefit most. Typical applications: refinery ESD emergency shutdown cabinets, chemical‑plant BMS burner management systems, power‑plant safety interlock protection loops.