Honeywell FS-TIDI-1624 Safe Digital Input Module

The Honeywell FS-TIDI-1624 is a high-integrity Safe Digital Input Module designed specifically for use within Honeywell’s Safety Manager and Experion PKS systems. It is developed for mission-critical industrial safety applications, where reliable acquisition and secure processing of digital input signals are paramount.

This module is SIL3-certified in accordance with IEC 61508, enabling it to be deployed in the most demanding safety instrumented systems (SIS) in oil & gas, petrochemical, refining, and power generation industries. Its rugged design supports operation in harsh environments while maintaining high-speed, fail-safe data acquisition from field digital devices such as switches, relays, and pressure transmitters.

Product Specifications

Applications

The FS-TIDI-1624 is tailored for safety-critical applications that require strict input validation, integrity checks, and compliance with SIL3 safety standards. Typical applications include:

• Emergency Shutdown Systems (ESD)

• Fire and Gas Detection Systems (F&G)

• Burner Management Systems (BMS)

• Process Shutdown Systems (PSD)

• High-integrity pressure protection systems (HIPPS)

• Pipeline Monitoring and Safety Interlocks

• Hazardous Area Monitoring

The module is widely used in refineries, chemical plants, LNG terminals, and power stations where any input error or delay could lead to catastrophic outcomes.

Key Advantages

• SIL3 Certified: Ensures high safety integrity in compliance with IEC 61508.

• Fast Fault Detection: Built-in line fault diagnostics for rapid detection of open/short circuits.

• Hot-Swappable: Minimizes system downtime during maintenance or module replacement.

• Redundant Architecture Support: Designed for fault-tolerant system integration.

• Robust Environmental Tolerance: Operates under wide temperature and humidity ranges.

• Backplane Communication: Seamless integration with Honeywell’s Safety Manager and Experion PKS systems.

• High Channel Density: 16 DI channels reduce footprint and increase I/O density per rack.

• Ease of Configuration: Supported by Honeywell software tools for simplified configuration and diagnostics.

Frequently Asked Questions (FAQ)

1. What does SIL3 certification mean for FS-TIDI-1624?

   SIL3 certification confirms the module’s ability to perform its safety function reliably under high-risk applications according to IEC 61508 standards.

2. Is FS-TIDI-1624 hot-swappable?

   Yes, the module supports hot-swapping to facilitate maintenance without shutting down the system.

3. Can the FS-TIDI-1624 be used in hazardous areas?

   Yes, it meets ATEX and other explosion-proof certifications suitable for hazardous environments.

4. How many digital input channels are supported?

   It supports 16 isolated digital input channels.

5. Does the module support redundant architecture?

   Yes, it can be implemented in redundant configurations for high system availability.

6. What input voltage range is supported?

   It supports a voltage range of 18 to 32 VDC.

7. Is diagnostics available on each channel?

   Yes, each channel supports line fault detection including open and short-circuit monitoring.

8. What is the typical application environment?

   Commonly used in oil & gas, petrochemical plants, and energy facilities requiring SIL-rated digital input handling.

9. How does it integrate with Safety Manager?

   It communicates via a redundant backplane interface and is fully compatible with Honeywell’s Safety Manager systems.

10. How is configuration and diagnostics performed for the FS-TIDI-1624 module?

    The FS-TIDI-1624 is configured and monitored using Honeywell’s integrated engineering tools within the Safety Builder and Experion Control Builder environments.