HONEYWELL FC-RUSIO-3224 Remote Universal Safe I/O Module

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Technical Note: Honeywell FC-RUSIO-3224 32-Channel Universal Safe I/O Module

Purpose & System Fit
The FC-RUSIO-3224 is a remote, SIL-3 universal I/O module for Honeywell Safety Manager™ (SM) systems.

A single module provides 32 software-configurable safe channels, eliminating the need for separate DI, DO, AI, and AO cards and cutting cabinet space by up to 50 %.

Ordering Information
• Part Number: FC-RUSIO-3224
• Redundant Pair: order two modules + IOTA-R24 (redundant I/O termination)
• Single Module Kit: FC-RUSIO-3224 + IOTA-NR24 (non-redundant I/O termination)

Physical Data
• Dimensions: 145 × 165.1 × 72.4 mm (H × W × D)
• Weight: 0.66 kg
• Mounting: DIN-rail or 19ʺ sub-rail with IOTA termination assemblies

Key Specifications
• Channels: 32 universal, individually isolated
• Configurable Modes (per channel):
 – Digital Input (with or without line-monitoring)
 – Digital Output (0.5 A, short-circuit protected)
 – Analog Input 0–20 mA / 4–20 mA (loop-powered)
 – Analog Output 0–20 mA / 4–20 mA (open-loop detection)
• Combined Load: max. 9 A per module
• Supply: 24 V dc –15 % … +30 % (max. 300 mA module only)
• Isolation: 2.5 kV impulse, 250 V working
• Diagnostics: open-wire, short-circuit, over-range, module health
• Hot-swap: supported in redundant pairs
• Temperature: –40 °C … +70 °C operational; –40 °C … +85 °C storage
• Approvals: CE, UL, TÜV (pending) for IEC 61508/61511 SIL 3

Typical Application
Safety shutdown of ESD valves, burner management, fire-gas systems, and process skids where every channel must be SIL-3 and hot-replaceable without spurious trips.

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