Honeywell FC-SDO-0824 V1 | Safety Manager Safe Digital Output Module

Description

Core Product Summary

The Honeywell FC-SDO-0824 V1 is a fail-safe digital output module engineered for integration within Honeywell Safety Manager system architectures. It provides eight isolated digital output channels configured for 24 VDC solid-state sourcing, supporting high-integrity control of safety actuators, solenoids, indicator lamps, and emergency shutdown loops.

The “FC” prefix designates a factory conformal-coated module designed to withstand corrosive and aggressive industrial atmospheres. The module features a split-group output architecture separated into two independent groups of four channels, each equipped with a secondary means of de-energizing (SMOD) to enhance shutdown reliability and safety integrity levels (SIL). It operates directly within standard controller rack chassis, interfacing with internal power rails and dedicated Field Termination Assemblies (FTAs).

Key Technical Specifications

Detailed Product Overview

The Honeywell FC-SDO-0824 V1 module functions as a critical final-element driver in safety instrumented systems (SIS). It processes command signals from safety control processors and securely switches field devices such as emergency shutdown valves and safety solenoids.

The module features redundant control paths and continuous diagnostic monitoring. The outputs are divided into two distinct groups of four, each controlled via a secondary means of de-energizing (SMOD). This architecture allows the internal watchdog and processor monitoring logic to force outputs to a safe, de-energized state independently of primary application logic execution if a fault is detected. Integrated protection diodes suppress voltage spikes from inductive loads, while short-circuit protection safeguards internal switching transistors against excessive fault currents.

The module housing includes mechanical key coding to prevent improper slot insertion. Conformal coating protects internal circuitry from humidity, corrosive gases, and particulate matter common in continuous-process industries.

FC-SDO-0824 V1

FC-SDO-0824 V1

System Compatibility & Integration Requirements

Dimensions, Mounting & Connection Notes

• Space Allocation: Occupies 4 TE width and 3 HE height (4 HP, 3U standard eurocard format).
• Mounting Method: Direct slot insertion into designated Safety Manager rack backplanes.
• Keying Configuration: Factory-set mechanical keying utilizes holes A9 and C9 matching chassis pins.
• Handling Precautions: Observe standard electrostatic discharge (ESD) handling protocols. Ensure backplane edge connectors are clean and fully seated before locking retention mechanisms.

FAQ

• What is the Honeywell FC-SDO-0824 V1?

  It is an 8-channel, fail-safe digital output module designed for Honeywell Safety Manager systems.

• What does the “FC” prefix indicate?

  The “FC” prefix signifies that the module features factory conformal coating for corrosive environment protection.

• What is the maximum output current rating per channel?

  Each channel supports up to 550 mA at standard temperatures, derating to 350 mA at 70°C.

• How does the secondary means of de-energizing (SMOD) function?

  Outputs are split into two groups of four, each with an independent de-energization path that allows the safety watchdog to cut power regardless of application software state.

• What are the physical dimensions and rack space requirements?

  The module requires 4 TE width and 3 HE height (4 HP, 3U) within a standard controller chassis.

Documented Performance Data