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Product Introduction
The Honeywell FS-SDO-0824 is a high-performance safety digital output module designed to operate as part of Honeywell’s Safety Manager or Fail-Safe Controller systems. This module provides isolated digital outputs to activate actuators, indicators, or safety relays in response to control signals. The FS-SDO-0824 is designed for use in SIL-rated safety applications, typically within industries such as oil & gas, petrochemical, and power generation.
Engineered to meet stringent safety standards, the FS-SDO-0824 provides reliable performance under demanding environmental conditions. It supports hot-swapping for maintenance flexibility and features diagnostic capabilities for fault detection and system reliability.
Product Advantages
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SIL-rated Safety Compliance: Certified for use in SIL2/SIL3 environments, meeting international safety standards.
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High Output Density: Supports up to 8 digital output channels within a single module, optimizing rack space.
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Comprehensive Diagnostics: Built-in fault detection for short circuits, open loads, and module failures.
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Hot-swappable Design: Allows for replacement without shutting down the system, minimizing operational disruption.
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Rugged Industrial Build: Withstands harsh environmental conditions including vibration, temperature swings, and electrical noise.
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Seamless Integration: Natively supports Honeywell’s Safety Manager platform and compatible controllers for scalable deployment.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | FS-SDO-0824 |
| Manufacturer | Honeywell |
| Type | Digital Output Module |
| Output Channels | 8 |
| Output Type | Sourcing (24VDC) |
| Rated Voltage | 24 VDC nominal |
| Operating Voltage Range | 18–32 VDC |
| Max Output Current per Channel | 0.5 A |
| Isolation | Channel-to-Channel and Channel-to-Logic |
| Diagnostic Features | Open load, short circuit, power fail |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH, non-condensing |
| Cooling Requirement | Natural convection |
| Dimensions | 80 x 24 x 40mm |
| Weight | 0.15kg |
| Mounting | DIN Rail or backplane slot |
| Compliance Standards | IEC 61508, SIL2/SIL3, CE, ATEX, UL |
Product Applications
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Emergency shutdown (ESD) systems in oil & gas refineries
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Boiler protection systems in power plants
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Safety interlocks for chemical process lines
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Alarm and annunciation control in critical systems
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Actuation of solenoids, relays, and beacons in safety zones
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Interface with fire & gas detection shutdowns
Installation Guidelines
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Pre-check: Ensure module and system are grounded. Confirm power supply range is within specified voltage.
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Mounting: Insert the FS-SDO-0824 into the designated Safety Manager backplane slot or DIN rail with secure fixation.
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Wiring: Connect field wiring to terminal blocks. Maintain segregation between input/output and power lines.
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Commissioning: Use diagnostic LED indicators to verify channel integrity and output status before finalizing.
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Maintenance: The module supports hot-swapping. Replace with identical part number to ensure functional compatibility.
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Precautions: Always de-energize field loads when wiring or removing to prevent equipment damage or safety hazards.
Frequently Asked Questions (FAQ)
Q1: What type of signals does FS-SDO-0824 output?
A1: It outputs 24VDC sourcing signals for controlling external devices like relays, solenoids, or alarms.
Q2: Can this module be used in SIL3 safety applications?
A2: Yes, the FS-SDO-0824 meets SIL2 and SIL3 requirements as per IEC 61508 standards.
Q3: Does it support hot-swapping during operation?
A3: Yes, the module is hot-swappable without disrupting system operation, provided it’s replaced with an identical unit.
Q4: What happens if a short circuit occurs on one channel?
A4: The module has self-diagnostics and will isolate the fault while maintaining operation on the remaining channels.
Q5: Is external fusing required for each channel?
A5: Yes, individual fusing is recommended to protect field devices and maintain circuit isolation.
Q6: What is the maximum load current per channel?
A6: Each channel can deliver up to 0.5 A continuously at 24VDC.
Q7: Is the FS-SDO-0824 compatible with non-Honeywell safety systems?
A7: While designed for Honeywell Safety Manager systems, it may be adaptable depending on system architecture and protocols.
Q8: How do I identify a failed output channel?
A8: Channel-specific LED indicators and system diagnostics will flag open load, overload, or short circuit conditions.
Q9: Can I wire inductive loads directly?
A9: Yes, but it is recommended to use flyback diodes or suppression devices to protect the module.
Q10: Are firmware updates required?
A10: No routine firmware updates are necessary; the module is shipped with fixed firmware suitable for safety certification.
Recommended Same Series or Related Honeywell Modules
| Model | Type | Output/Input | Voltage | Description |
|---|---|---|---|---|
| FS-SDI-1624 | Digital Input Module | Input | 24 VDC | 16-channel digital input for safety |
| FS-SDO-1624 | Digital Output Module | Output | 24 VDC | 16-channel version for higher density |
| FS-PSU-2405 | Power Supply Unit | – | 24 VDC | For redundant power configurations |
| FS-CPU-2010 | Safety Controller | CPU | – | Core logic processor for Safety Mgr |
| FS-TERM-1001 | Terminal Base Unit | – | – | Wiring interface for I/O modules |
| FS-AI-0420 | Analog Input Module | Input | 4–20 mA | For integrating analog process values |
Popular Honeywell Models in Industrial Automation
| Model | Type | Voltage | I/O Type | Application |
|---|---|---|---|---|
| CC-TDIL01 | Digital Input Module | 24 VDC | 16 DI | C300 DCS integration |
| CC-PAOH01 | Analog Output Module | 24 VDC | 8 AO | Actuator control in DCS |
| CC-TAIX01 | Analog Input Module | 24 VDC | 16 AI | Temperature & pressure monitoring |
| CC-PDOB01 | Digital Output Module | 24 VDC | 16 DO | Relay and signal actuation |
| MC-TAIH04 | HART Analog Input Module | 24 VDC | 8 AI (HART) | Smart transmitter integration |
| 51309150-175 | Power Supply Module | 24 VDC | – | Fault-tolerant supply in TPS |
| FC-TPSU-2430 | Power Supply | 24 VDC | – | For FS system backplanes |
| CC-PAIN01 | Analog Input Module | 24 VDC | 8 AI | Precision analog input |
