Honeywell Safety Manager FS Series Modules – FS-TERM-0001

Name: Honeywell Safety Manager FS Series Modules – FS-TERM-0001
Brand: Honeywell

Model: FS-TERM-0001

Brand Honeywell

Series FS-TERM-0001

Model FS-TERM-0001

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Product Details And Specifications

Honeywell Safety Manager FS Series Technical Notes

The Evolution of FS Series Architecture

The Honeywell Safety Manager platform evolved from the earlier FSC (Fail Safe Controller) system introduced in the 1990s, which itself succeeded the TÜV-certified relay-based safety logic solvers of the prior generation. The FSC used a TMR (Triple Modular Redundancy) or 1oo2D voting architecture and established the foundational backplane communication protocol that the FS Series inherited and extended.

The FS Series introduced a modernized I/O bus, improved diagnostics coverage (DC >99%), and expanded the module catalog to support HART pass-through, fieldbus integration, and high-density I/O configurations. Firmware compatibility between FSC and FS Series modules is not direct; migration projects require a formal Honeywell-approved conversion procedure. Plants running FSC hardware that have not yet migrated face increasing obsolescence risk as FSC module production has been discontinued, while FS Series modules remain in active production and support cycles as of 2026.

The FS Series communicates with the Honeywell Experion PKS DCS via the Safety Builder engineering environment and supports peer-to-peer safety communication via the FSC Link and SM Link protocols. Compatibility with third-party DCS platforms requires certified gateway modules.

FS Series Full Catalog & Functionalities (SKU List)

Terminal & Wiring Modules

FS-TERM-0001: Field termination assembly, standard 24 VDC I/O wiring interface for FS Series I/O modules
FS-TERM-0002: Field termination assembly, high-density variant for 32-channel I/O configurations
FS-TERM-0003: Intrinsically safe termination panel for Zone 0/1 hazardous area field wiring

Digital Input (DI) Modules

FS-SDI-0824: 8-channel 24 VDC digital input, SIL 2 rated, 1oo2 internal voting
FS-SDI-1624: 16-channel 24 VDC digital input module, high-density, SIL 2
FS-SDI-0848: 8-channel 48 VDC digital input, for legacy field device compatibility
FS-SDI-0824H: 8-channel HART-enabled digital input, supports HART 5/6/7 pass-through

Digital Output (DO) Modules

FS-SDO-0824: 8-channel 24 VDC digital output, SIL 2, solid-state relay output
FS-SDO-0824R: 8-channel relay output module, 24 VDC coil, rated for inductive loads
FS-SDO-1624: 16-channel 24 VDC digital output, high-density configuration

Analog Input (AI) Modules

FS-SAI-0800: 8-channel 4–20 mA analog input, SIL 2, with open-circuit and short-circuit diagnostics
FS-SAI-0800H: 8-channel HART analog input, 4–20 mA, HART 7 compliant, SIL 2
FS-SAI-0800T: 8-channel thermocouple/RTD analog input module, multi-sensor type support

CPU & Controller Modules

FS-CPU-0200: Safety Manager central processing unit, dual-redundant configuration, 200 ms scan cycle
FS-CPU-0200R: Redundant CPU module, hot-standby pair configuration, Ethernet safety link

Communication & Network Modules

FS-COM-ETH01: Ethernet communication adapter, Modbus TCP / EtherNet/IP gateway for DCS integration
FS-COM-PB01: PROFIBUS DP communication module, slave mode, for third-party DCS connectivity

Power Supply Modules

FS-PSU-2410: 24 VDC / 10 A redundant power supply module for FS Series chassis
FS-PSU-2420: 24 VDC / 20 A high-capacity power supply, for large I/O chassis configurations

Quality Control for the FS Series Range

FS Series modules incorporate complex backplane communication ASICs and dual-channel internal voting logic that require specialized test procedures beyond standard functional checks. DriveKNMS applies the following protocol to all FS Series inventory:

Backplane Bus Integrity Test: Each module is seated in a live FS Series chassis and subjected to full backplane communication cycling to verify bus arbitration and slot addressing.
Dual-Channel Voting Verification: For SIL-rated I/O modules, both internal channels are independently stimulated and the voting output is verified against the module's certified logic table.
HART Communication Validation: HART-enabled modules (SAI-0800H, SDI-0824H) are tested with a HART master to confirm pass-through integrity at 1200 baud.
Firmware Version Audit: CPU and communication modules are checked for firmware compatibility with current Safety Builder project versions before dispatch.
Burn-In Cycle: All refurbished modules undergo a 48-hour powered burn-in at rated voltage to screen for latent component failures.

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