Honeywell FC Series Modules: FC-RO-1024 Relay Output Module

Technical Dossier

Product Details And Specifications

Honeywell FC Series Technical Notes

FC Series Full Catalog & Functionalities (SKU List)

The following catalog covers verified FC Series module part numbers, organized by functional category. All SKUs listed are confirmed members of the Honeywell FSC / FC Series platform.

Relay Output Modules

• FC-RO-1024: 10-channel relay output module, 24 VDC, for FSC safety controller racks
• FC-RO-0824: 8-channel relay output module, 24 VDC, standard FSC backplane mount
• FC-RO-0848: 8-channel relay output module, 48 VDC rated, high-voltage relay switching
• FC-RO-0824H: 8-channel high-current relay output, enhanced contact rating for motor loads

Digital Input Modules

• FC-DI-1624: 16-channel digital input module, 24 VDC, FSC rack compatible
• FC-DI-0824: 8-channel digital input module, 24 VDC, single-ended configuration
• FC-DI-1648: 16-channel digital input module, 48 VDC, for higher voltage field devices
• FC-DI-0824H: 8-channel digital input, high-density terminal configuration

Digital Output Modules

• FC-DO-0824: 8-channel digital output module, 24 VDC, solid-state switching
• FC-DO-1624: 16-channel digital output module, 24 VDC, FSC backplane interface

Analog Input Modules

• FC-AI-0808: 8-channel analog input module, 4–20 mA, HART-compatible
• FC-AI-0804: 8-channel analog input, 1–5 VDC / 4–20 mA selectable range

Analog Output Modules

• FC-AO-0804: 8-channel analog output module, 4–20 mA, loop-powered field devices

Communication & CPU Modules

• FC-CPU-0014: FSC central processing unit module, primary controller for 14-slot chassis
• FC-CPU-0009: FSC CPU module, 9-slot chassis variant, dual-redundant capable
• FC-COM-ETH01: Ethernet communication adapter for FSC platform, Modbus TCP / PROFIBUS gateway

Power Supply Modules

• FC-PSU-2410: 24 VDC / 10 A power supply module, redundant pair configuration for FSC chassis
• FC-PSU-4805: 48 VDC / 5 A power supply module, high-voltage rack variant

Sourcing Hard-to-Find & Obsolete FC Series Parts

As Honeywell has formally transitioned the FSC platform to end-of-active-production status, the majority of FC Series modules — including the FC-RO-1024 — are no longer available through standard Honeywell distribution channels. DriveKNMS maintains a dedicated inventory of certified surplus and refurbished FC Series modules sourced from decommissioned plant equipment, controlled storage facilities, and verified industrial surplus networks. All units undergo functional verification prior to dispatch. DriveKNMS provides lifecycle extension support for facilities that cannot justify a full migration to the Safety Manager SC platform within their current maintenance cycle. Emergency replacement orders for critical FC Series modules can typically be fulfilled within 24–72 hours from RFQ-reviewed sourcing status. Long-term blanket purchase agreements are available for EPC contractors and plant maintenance teams managing multi-site FSC installations.

Quality Control for the FC Series Range

FC Series modules present specific quality verification challenges due to their safety-rated backplane bus architecture and relay contact integrity requirements. DriveKNMS applies the following test protocol to all FC Series units: (1) Visual inspection of PCB, relay contacts, terminal blocks, and backplane connector pins for corrosion, mechanical damage, or evidence of thermal stress. (2) Powered functional test using an FSC chassis test bench: each module is seated in a live FSC rack and exercised through its full I/O channel range under controlled load conditions. (3) For relay output modules including the FC-RO-1024, each relay channel is cycled a minimum of 50 times under rated load to verify contact resistance and switching consistency. (4) Communication bus integrity check: module response to FSC CPU polling is verified against factory timing specifications. (5) Final burn-in: 48-hour powered soak test at ambient temperature before packaging. Units that fail any stage are quarantined and not offered for sale.