FTA-T-02 | Honeywell Fail-Safe Digital Output FTA

Overview:

The FTA-T-02 module is part of the Fail-Safe Controller System Family (FSC) Version 80x.x, an integrated safety solutions platform designed to secure operations, plant equipment, and personnel while ensuring high availability of plant operations. This module is a crucial part of high-integrity process control and safety functions in critical applications, providing fail-safe digital outputs for emergency shutdown and safeguarding functions.

Key Features:

• Quadruple Modular Redundant (QMR) Technology: Ensures high availability and fault tolerance, making it suitable for safety-critical applications.
• Wide Range of Applications: Used in systems such as burner/boiler management, process safeguarding, turbine and compressor safeguarding, fire and gas detection, and pipeline monitoring.
• Safety and Process Control Integration: Integrates seamlessly with both TPS System’s Universal Control Network (UCN) and Experion System, ensuring the safe operation of high-integrity systems while isolating emergency shutdown (ESD) functions on a separate safety network.

Specifications:

1. Output Channels:
   • 24 channels of fail-safe digital output, supporting 24 VDC, 48 VDC, or 60 VDC output voltage ranges.
2. Output Characteristics:
   • Fail-Safe Output: Ensures the output is driven to a safe state in case of failure.
   • Open-Collector (Current Sinking) NPN Transistors: Suitable for controlling external devices in fail-safe applications.
3. Voltage Range:
   • Configurable for 24 VDC, 48 VDC, or 60 VDC depending on the application.
4. Isolation:
   • Galvanic Isolation (photo coupler) to protect against voltage surges and electrical interference.
   • Typically rated for 500 V or higher between output channels and the field device.
5. Surge Withstand Capability:
   • Compliant with ANSI/IEEE C37.90.1-1978 for surge protection.
6. Failure Detection and Recovery:
   • Designed with redundancy schemes such as 1oo1D, 1oo2D, and QMR (Quadruple Modular Redundancy) to ensure continuous safe operation even in case of faults.
   • Supports 1oo1, 1oo2, and 2oo4D voting schemes for robust fault tolerance.
7. Status Indicators:
   • LED indicators for module and channel status, providing easy diagnostics for field personnel.
8. Termination:
   • Screw terminals or compression connectors for secure and reliable field wiring.
9. Approvals:
   • Typically CE, UL, FM, and TUV certified for safety applications.

Typical Applications:

• High-integrity process control in safety-critical environments.
• Burner/boiler management systems for safe operation of combustion equipment.
• Process safeguarding for chemical, petrochemical, and other hazardous process industries.
• Turbine and compressor safeguarding for machinery protection.
• Fire and gas detection systems to ensure operational safety.
• Pipeline monitoring to protect assets and personnel in pipeline operations.

Architecture Flexibility:

The FTA-T-02 module supports flexible configurations depending on the criticality of the application:

• 1oo1D: Single-channel with diagnostics for lower-risk applications.
• 1oo2D: Dual-channel for higher availability and fault tolerance.
• QMR: Quadruple Modular Redundancy for the most stringent safety requirements.

Each configuration supports various voting schemes for high-integrity, fault-tolerant process control.

Safety-Related Modules

The certified version of the operating system supports the following tested modules within the
approved configurations in safety-related applications:

• Module Number: FTA-T-02
• Module Description: Fail-Safe Digital Output FTA (24/48/60 VDC, 24 channels)

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