Honeywell FSC Series Modules – 51305489-500

Name: Honeywell FSC Series Modules – 51305489-500
Brand: Honeywell

Model: 51305489-500

Brand Honeywell

Series 51305489-500

Model 51305489-500

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Technical Dossier

Product Details And Specifications

Honeywell FSC Series Technical Notes

The Evolution of FSC Architecture

The FSC platform was introduced by Fail-Safe Controls Ltd. and subsequently acquired and developed by Honeywell Process Solutions. Early FSC hardware (pre-2000) used a single-bus backplane with discrete I/O modules rated for SIL 2 applications. The mid-generation FSC introduced dual-redundant CPU modules (e.g., 51305890-175 / 51305890-275 pairs) and expanded the analog I/O range to support HART-enabled field devices. The later FSC release aligned with IEC 61511 sector-specific requirements and introduced enhanced diagnostics via the Safety Manager migration path. Compatibility between early and late FSC generations is constrained at the backplane and firmware level: modules from different hardware revisions are not interchangeable without engineering validation. Organizations migrating from FSC to Honeywell Safety Manager (SM) must account for I/O marshalling changes and logic re-validation under IEC 61511 MOC procedures.

FSC Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked FSC series components. Each entry reflects the module's primary functional role within the FSC safety loop architecture.

51305489-500: FSC Digital Output module, 24 VDC, 16-channel, SIL 2 rated, field-side isolated
51305489-100: FSC Digital Output module, 24 VDC, 8-channel, standard density variant
51305489-200: FSC Digital Output module, 48 VDC, 16-channel, high-voltage field variant
51305890-175: FSC Central Processing Unit, primary CPU module, redundant pair primary
51305890-275: FSC Central Processing Unit, secondary CPU module, redundant pair secondary
51304453-100: FSC Digital Input module, 24 VDC, 16-channel, SIL 2, dry contact compatible
51304453-200: FSC Digital Input module, 48 VDC, 16-channel, high-voltage input variant
51304453-300: FSC Digital Input module, 24 VDC, 32-channel, high-density configuration
51304441-100: FSC Analog Input module, 4–20 mA, 8-channel, HART pass-through capable
51304441-200: FSC Analog Input module, 4–20 mA, 16-channel, expanded density
51304441-300: FSC Analog Input module, 1–5 VDC, 8-channel, voltage input variant
51304443-100: FSC Analog Output module, 4–20 mA, 4-channel, SIL 2 loop-powered
51304443-200: FSC Analog Output module, 4–20 mA, 8-channel, expanded output density
51305072-100: FSC Power Supply module, 24 VDC input, redundant-capable, chassis-mount
51305072-200: FSC Power Supply module, 120/240 VAC input, universal voltage variant
51304362-100: FSC Communication Interface module, Modbus RTU, RS-485 port
51304362-200: FSC Communication Interface module, Ethernet TCP/IP, 10/100 Mbps
51305556-100: FSC Termination Assembly, field wiring interface for DI/DO modules
51305556-200: FSC Termination Assembly, marshalled cabinet variant, extended cable reach

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