Honeywell FC-TSDI-16115 Safe Active/Passive Digital Input FTA

The Honeywell FC-TSDI-16115 is a Safe Digital Input Field Terminal Assembly (FTA) module designed for Honeywell’s Safety Manager (SM) and Fail-Safe Controller (FSC) platforms. This module supports both active and passive digital input types, allowing integration of a wide range of field signals such as contact closures, proximity switches, or electronic signal transmitters.

Built to meet SIL3 safety standards under IEC 61508, the FC-TSDI-16115 ensures safe acquisition of input signals in critical industrial control systems such as emergency shutdown (ESD), fire & gas, and burner management systems. Its modular design enables flexibility, reliability, and ease of integration in safety instrumented systems (SIS).

Product Specifications

Product Applications

The FC-TSDI-16115 module plays a critical role in capturing digital signals from field devices in applications that demand high safety integrity. Its primary use cases include:

• Emergency Shutdown (ESD) Systems

  Acquiring discrete inputs such as push-buttons, switches, and alarm relays that trigger emergency functions.

• Fire and Gas Systems (FGS)

  Detecting contact signals from flame detectors, gas sensors, and smoke detectors in hazardous environments.

• Burner Management Systems (BMS)

  Monitoring safety interlocks, flame signals, and combustion safeguard relays.

• Pipeline and Process Automation

  Ensuring safe signal acquisition from proximity sensors, limit switches, and safety barriers.

• High-Integrity Pressure Protection Systems (HIPPS)

  Part of critical logic loops to detect and mitigate overpressure conditions.

Product Advantages

• Dual Mode Input (Active/Passive):

  Supports both electronic and mechanical signal types, enabling broader field device compatibility.

• SIL3-Certified Safety:

  Meets the highest standards for safety-critical systems, ideal for SIS applications.

• Integrated Diagnostics:

  Advanced line monitoring enables detection of wire breaks, shorts, or missing field signals.

• Modular and Scalable:

  16-channel design allows dense signal acquisition while maintaining flexible cabinet layouts.

• Low Power Consumption:

  Efficient architecture minimizes heat and power draw, extending component life.

• EMC and Harsh Environment Ready:

  Certified for electromagnetic compatibility and harsh industrial conditions.

• No External Power Required:

  Simplifies wiring and reduces points of failure by drawing power directly from the host system.

• Quick Installation and Maintenance:

  Standard DIN rail mount and clear labeling simplify field installation and troubleshooting.

FAQ

1. Q: What is the difference between active and passive digital inputs in this module?

   A: Active inputs detect voltage signals (typically 24 VDC), while passive inputs detect mechanical switch closures or dry contacts.

2. Q: How many channels are available in the FC-TSDI-16115?

   A: It supports 16 isolated digital input channels.

3. Q: Is the module compliant with SIL3 safety requirements?

   A: Yes, it is certified to SIL3 under IEC 61508 standards.

4. Q: Can this module detect wire faults like short circuits or open loops?

   A: Yes, it supports diagnostic line monitoring for enhanced fault detection.

5. Q: What systems is the FC-TSDI-16115 compatible with?

   A: It is compatible with Honeywell’s Safety Manager and FSC platforms.

6. Q: Does this module require external power?

   A: No, it is powered directly from the host control system.

7. Q: Can it be used in hazardous area applications?

   A: Yes, it is designed for use in industrial safety systems including hazardous area installations.

8. Q: What mounting type is supported?

   A: It is DIN rail mountable for standard control cabinet integration.

9. Q: What is the module’s input voltage range for active signals?

   A: 18–30 VDC is the standard input voltage range for active signal detection.

10. Q: Is the module CE marked and EMC certified?

    A: Yes, it complies with CE and EN 61326 EMC standards.