Product Overview

The Honeywell FC-TCNT11 with order number 51307928-176 is a redundant I/O Termination Assembly designed for use within Honeywell FSC safety systems and safety-integrated DCS architectures. This module provides secure and reliable termination for safety-related field signals, supporting high-availability system designs where continuous operation and fault tolerance are required.

As a redundant IOTA, the FC-TCNT11 is engineered to work with safety controllers in dual-channel configurations, ensuring signal integrity and system continuity in the event of component failure. Its role is to provide stable electrical termination, isolation, and structured wiring for safety I/O while supporting compliance with international functional safety standards.

Key Technical Characteristics

• Model Number: FC-TCNT11

• Order Number: 51307928-176

• Module Type: Redundant I/O Termination Assembly

• Product Series: FSC Safety System

• Function: Redundant termination for safety-related I/O signals

• Safety Compliance: Designed for use in SIL-rated safety systems in accordance with IEC 61508 and ISO 13849-1

• I/O Support: Configurable termination for digital, analog, and safety output channels depending on system design

• Redundancy Support: Dual-channel architecture for high availability

• Electrical Features: Signal isolation and robust terminal design

• Installation: Panel-mounted within safety system cabinets

• System Compatibility: Honeywell FSC and safety-integrated DCS platforms

• Approximate Weight: 0.45 kg

• Dimensions: 36.8 × 12 × 5 cm

• Country of Origin: USA

• Product Lifecycle Status: Active

Industrial Applications

The FC-TCNT11 redundant IOTA module is intended for safety-critical industrial environments where reliable signal termination and system redundancy are essential. Typical applications include emergency shutdown systems, burner management systems, process interlocking, and critical protection functions in industries such as oil and gas, chemical processing, refining, power generation, and petrochemical production.

By providing dependable termination and redundancy support, this module contributes to safe plant operation and helps maintain compliance with functional safety requirements in both new safety system installations and existing FSC system upgrades.