Honeywell FC-TDIO51 51307986-176 Security Manager SC Hardware

The Honeywell FC-TDIO51 51307986-176 is a high-performance Digital Input/Output Module designed for use within the Safety Manager SC (S300 IOTA) hardware platform. It plays a key role in safety-critical control applications by combining digital input and output functions in one module, streamlining both wiring and installation.

With redundant operation support, integrated channel diagnostics, and full TÜV-certified SIL3 compliance, this module is a foundational component of Honeywell’s Safety Manager system, widely deployed in process industries requiring high reliability, deterministic behavior, and maximum uptime.

Key Features

• Combination of digital input and output channels in a single module

• High channel density design to save cabinet space

• Channel-level diagnostics including short/open circuit detection

• Supports fail-safe behavior and self-testing

• Fully compliant with IEC 61508 SIL3 functional safety

• Compatible with redundant configurations in SC S300 IOTA systems

• Integrated with Honeywell Safety Builder and Experion PKS

• Hot-swappable without process interruption

• Designed for mission-critical safety applications

Technical Specifications

Industry Applications

The Honeywell FC-TDIO51 is engineered for use in functional safety and secure control environments, including:

• Oil & Gas – Emergency shutdown, valve interlocking

• Chemical Processing – Fail-safe loop integration, reactor trip circuits

• Power Generation – Turbine control, boiler protection systems

• Refining and Petrochemical – Burner management, hazardous area safety

• Pharmaceutical – Cleanroom isolation, environmental control alarms

• Water and Wastewater – Critical pump control, gate actuation systems

• Metals & Mining – Equipment interlocks, fault isolation controls

Product Advantages

• Dual-functionality (DI and DO) reduces module count and cost

• High reliability under extreme operating conditions

• Built-in diagnostics enhance visibility and fault detection speed

• Supports safety-critical systems up to SIL3 classification

• Quick module replacement without halting system processes

• Seamless integration into Safety Manager and Experion PKS architectures

• Lower lifecycle costs due to predictive maintenance support and long service life

Frequently Asked Questions (FAQ)

1. Q: What is the function of the FC-TDIO51 module?

   A: It provides both digital input and output capabilities in one module for safety-critical applications.

2. Q: Is this module suitable for SIL3-rated systems?

   A: Yes, it is TÜV-certified for use in SIL3 safety applications.

3. Q: Can this module be used in redundant systems?

   A: Yes, it fully supports controller and module-level redundancy in Safety Manager platforms.

4. Q: Are the input/output channels isolated?

   A: Yes, optical isolation is provided to protect the controller and signal integrity.

5. Q: How are faults detected on channels?

   A: The module provides diagnostics for open and short circuit conditions, plus channel health.

6. Q: Is it possible to replace this module without system shutdown?

   A: Yes, it is hot-swappable, allowing safe module replacement during operation.

7. Q: What type of output channels are used?

   A: The outputs are sourcing (high-side), typically 24 VDC.

8. Q: What kind of wiring does this module support?

   A: It supports standard field wiring via the SC S300 IOTA backplane and field termination assemblies (FTAs).

9. Q: Is this module programmable?

   A: Configuration is done via Honeywell Safety Builder, integrated within Experion PKS.

10. Q: Can this module help reduce cabinet space usage?

    A: Yes, by combining DI and DO in a single module, it helps minimize footprint and wiring complexity.