Honeywell Power Supply Redundancy Module TK-FTEB01 ODM

Honeywell TK-FTEB01 | Fault Tolerant Ethernet Bridge Module — 51309512-175 / 100Mbps / Experion PKS / Class I Div 2

FTE — Fault Tolerant Ethernet for Process Control Networks

The TK-FTEB01 is the Fault Tolerant Ethernet Bridge Module for Honeywell's Experion PKS (Process Knowledge System) distributed control platform. FTE — Fault Tolerant Ethernet — is Honeywell's proprietary implementation of Ethernet for process control, engineered for the continuous availability requirements of industrial facilities where a network outage means process disruption.

In the Experion architecture, the TK-FTEB01 acts as the Ethernet bridge between the Experion LS I/O chassis and the FTE network backbone. It connects the I/O modules in the chassis to the plant-wide Experion control network, carrying I/O data between the field devices and the C200/C300 controllers. The FTE topology with bridge modules supports redundant network paths — a single cable or switch failure does not isolate the I/O chassis from the controller.

The double-wide chassis format occupies two adjacent slot positions in the Experion LS I/O chassis. The FTE Device Index (settable 0–9 or 00–90) assigns each bridge module its network address, enabling the Experion system to identify and communicate with each chassis independently on the FTE network.

Key Specifications

Class I Division 2 Certification

The TK-FTEB01 carries Class I Division 2 Group A, B, C, D approval with Temperature Code T4. This certifies the module for installation in locations where flammable gases or vapours may be present under abnormal conditions — refineries, chemical plants, offshore platforms, and similar classified areas where the Experion control system extends into hazardous zones. Temp Code T4 limits the module's surface temperature to 135°C maximum, within the autoignition temperature of the relevant gas groups.

FAQ

Q1: What is Fault Tolerant Ethernet (FTE) and how does it differ from standard Ethernet?

FTE is Honeywell's deterministic, redundant Ethernet implementation for process control. Unlike standard office Ethernet, FTE is designed for real-time I/O data delivery with predictable timing, redundant network paths, and automatic failover. The TK-FTEB01 provides the physical and network interface for connecting Experion LS I/O chassis into this FTE network.

Q2: How many TK-FTEB01 modules can an Experion PKS system support?

Each I/O chassis in an Experion LS configuration uses one TK-FTEB01. The FTE Device Index (0–9 or 00–90 depending on network configuration) identifies each bridge on the FTE network. The maximum number of FTE devices on a network segment depends on the Experion PKS system configuration and network design parameters in the Experion documentation.

Q3: The TK-FTEB01 is discontinued. How is a replacement sourced?

Through the Honeywell Experion PKS aftermarket — DCS component dealers, tested surplus suppliers, and Honeywell-authorised service providers. The alternate part number 51309512-175 appears consistently on module labels and can be used to locate stock. Honeywell's current equivalent or successor module for this function should be confirmed with Honeywell technical support for new system builds.

Q4: What does the FTE Device Index on the TK-FTEB01 determine?

The FTE Device Index assigns the network address of the bridge module on the FTE network. Each TK-FTEB01 in the system must have a unique index value. The Experion PKS configuration tool uses this index to identify and communicate with each I/O chassis. The index is set on the module using a hardware switch or jumper — confirm the correct setting against the Experion system's network topology before installation.

Q5: Does replacing a TK-FTEB01 require changes to the Experion system configuration?

If the replacement module is set to the same FTE Device Index as the original, and the FTE network topology is unchanged, the Experion system recognises the replacement as the same bridge module. The I/O chassis configuration and module assignments are maintained at the controller level and are unaffected by the bridge module replacement.