The Honeywell FC-RUSIO-3224 is a Remote Universal Safe I/O Module designed for integration with Honeywell’s Safety Manager safety instrumented systems (SIS) and Experion® Process Knowledge System (PKS) DCS platforms. It delivers high-integrity signal acquisition and control for safety-critical and high-availability industrial processes, featuring 32 fully configurable universal channels.
Honeywell FC-RUSIO-3224 Remote Universal Safe I/O Module
Each channel can be independently set as a Digital Input (DI), Digital Output (DO), Analog Input (AI), or Analog Output (AO)**, supporting a wide range of field signals including 4–20 mA, 0–5 V, thermocouples, RTDs, and dry/wet contacts. Built for reliability, it incorporates 1:1 hot redundancy with automatic, bumpless switching (≤3 ms module-level, ≤1 ms channel-level), ensuring uninterrupted operation and eliminating single-point failures.
Key Technical Specifications
| Category | Specification |
|---|---|
| Model | FC-RUSIO-3224 |
| Type | Remote Universal Safe I/O Module |
| System Compatibility | Safety Manager SIS, Experion PKS (C300/C500) |
| Channels | 32 universal (configurable DI/DO/AI/AO) |
| Input Signals | 4–20 mA, 0–5 V, thermocouples (J/K/T/E/R/S), RTDs (Pt100/Cu50), dry/wet contacts |
| Output Signals | 4–20 mA, 0–5 V (max 16 AO channels); DO with loop monitoring |
| Power Supply | 24 VDC (-15% to +30%), dual redundant inputs |
| Resolution | 24-bit A/D (AI); 16-bit D/A (AO) |
| Accuracy | AI: ±0.02% FS; AO: ±0.03% FS |
| Sampling/Response | Single-channel max 100 Hz; input response ≤10 ms; output response ≤5 ms |
| Isolation | Channel-to-channel: 500 Vrms; channel-to-backplane/power: 1000 Vrms |
| Redundancy | 1:1 hot standby; automatic bumpless switch ≤3 ms (module); ≤1 ms (channel) |
| MTBF | ≥500,000 hours (single module); ≥1,000,000 hours (redundant pair) |
| Safety Certification | IEC 61508 SIL 3; ISA 84.00.01 |
| Environmental | Operating: -40°C to +70°C; Storage: -40°C to +85°C; Humidity: 10–95% (non-condensing) |
| Mounting | Rack/slot-based (Safety Manager/Experion PKS racks) |
| Max Power | ≤25 W (single module); ≤45 W (redundant pair) |
| Certifications | CE, UL, CSA, TÜV |
Core Features
- Universal I/O: Single-module flexibility for DI, DO, AI, and AO signals.
- SIL 3 Safety: Certified for safety-critical applications with high fault tolerance.
- Hot Redundancy: Automatic, bumpless switching to maximize uptime.
- Advanced Diagnostics: ≥99.9% coverage for rapid fault detection and resolution.
- Industrial Ruggedness: Wide temperature range and robust isolation for harsh environments.
- Seamless Integration: Native compatibility with Safety Builder and Experion PKS software.
Primary Applications
- Oil & Gas: Offshore platforms, refineries, and pipelines for Emergency Shutdown (ESD), fire & gas (F&G) detection, and wellhead isolation.
- Petrochemical & Chemical: Reactor safety systems, process interlocks, burner management, and hazardous material handling.
- Power Generation: Boiler control, turbine protection, and switchgear safety interlocks.
- Pharmaceuticals & Fine Chemicals: High-purity process monitoring and regulatory-compliant safety loops.
- Metals & Mining: Smelter automation, conveyor safety, and furnace control systems.
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