Honeywell TK-FXX102 Rack Module
Warranty: 1 year
Condition : brand new in factory sealed box
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Detail
- Product NameHoneywell TK-FXX102 Rack Module
- Item NO.3322994
- Weight2.0000 kg = 4.4092 lb = 70.5479 oz
- CategoryDCS
- BrandHoneywell
- Creation Time2025-08-21
- Honeywell Rack Module
TK-FXX102
Key Information
TK-FXX102 is a FOUNDATION Fieldbus H1 Interface Module for the Honeywell Experion PKS Series C distributed control system. It provides the physical interface between the FTE (Fault Tolerant Ethernet) network and FOUNDATION Fieldbus H1 field devices, enabling seamless integration of smart instrumentation into the control environment .
The TK-FXX102 is the IOTA (Input/Output Termination Assembly) for the TK‑FXX101 FOUNDATION Fieldbus module. It provides the physical mounting, power distribution, and electrical termination for up to two H1 fieldbus segments. Each segment supports up to 16 field devices per segment (depending on device power consumption) and includes integrated bus power conditioning .
This module is part of Honeywell's Series C I/O family and is designed for use with Experion PKS R300 and later releases. It supports H1 communication at 31.25 kbit/s and includes the necessary termination and shielding for reliable fieldbus operation .
- FOUNDATION Fieldbus H1 interface
- 2 H1 segments
- FTE network connection
- 16 devices per segment
- Bus power conditioning
Functions
Fieldbus communication
- H1 interface — Provides two independent FOUNDATION Fieldbus H1 segments (31.25 kbit/s) for connecting smart field devices such as transmitters, valve positioners, and actuators.
- FTE bridging — Translates between the FTE network and H1 fieldbus, enabling Experion PKS controllers to communicate with field devices using standard FOUNDATION Fieldbus protocols.
- Bus power — Each segment includes power conditioning and can supply up to 100 mA at 24 VDC to field devices (with external power supply).
Diagnostics & management
- Device management — Supports online configuration, calibration, and diagnostics of connected field devices via FOUNDATION Fieldbus DD (Device Description) files.
- Status monitoring — Provides real‑time diagnostic information on segment health, device status, and bus communication quality.
- Link Active Scheduler (LAS) — Can operate as the LAS for the H1 segment, managing communication scheduling and ensuring deterministic data exchange.
Specifications
Electrical & communication
| Manufacturer | Honeywell Process Solutions |
| Model | TK-FXX102 |
| Product type | FOUNDATION Fieldbus IOTA |
| Number of segments | 2 |
| Protocol | FOUNDATION Fieldbus H1 (IEC 61158) |
| Data rate | 31.25 kbit/s |
| Max devices per segment | 16 (depending on power consumption) |
| Bus power | 24 VDC (external supply required) |
| Max bus current | 100 mA per segment (with external power) |
| Supply voltage | 24 VDC (±10%) / backplane powered |
| Power consumption | Typical 8W (plus fieldbus load) |
| Communication | FTE (Fault Tolerant Ethernet) |
Physical & environmental
| Field connection | Removable terminal blocks (2 per segment) |
| Mounting | Series C I/O rack |
| Operating temperature | 0°C to +60°C |
| Storage temperature | -40°C to +85°C |
| Relative humidity | 5% – 95% RH (non‑condensing) |
| Protection rating | IP20 |
| Conformal coating | Standard |
| Certifications | CE, UL, CSA |
| LED indicators | RUN, FAULT, ACTIVE, SEGMENT A/B status |
Installation
Proper installation of the TK-FXX102 IOTA ensures reliable FOUNDATION Fieldbus communication.
Mounting & wiring guidelines
| Mounting position | Series C I/O rack (horizontal or vertical) |
| Segment wiring | Shielded twisted‑pair (Belden 3076A or equivalent) |
| Termination | Built‑in termination on each segment (switchable) |
| Power supply | External 24 VDC bus power supply (separate for each segment) |
| Grounding | Single‑point grounding (shield connected at one end) |
| Cable length | Up to 1900 m total per segment (depending on device count and cable type) |
| Connection | Two removable terminal blocks per segment (A/B) |
- Ensure the rack is properly grounded and the power supply is rated for the connected fieldbus devices.
- Each segment must have one and only one termination active. The TK-FXX102 includes switchable terminators — enable termination only at the end of each segment.
- For segments longer than 500 m or with more than 8 devices, use a fieldbus repeater as per FOUNDATION Fieldbus guidelines.
- If connecting to an FTE network, verify the network configuration and switch settings before powering up the module.
- When using bus power, ensure the external power supply is filtered and regulated to prevent noise on the H1 segment.
Lifecycle
Active currently in production — fully supported
Product status: The TK-FXX102 remains an active, supported product in Honeywell's Series C I/O portfolio. It is the recommended FOUNDATION Fieldbus interface for new Experion PKS installations requiring H1 connectivity.
Spare parts & support: All components, including terminal blocks, are available as spare parts through Honeywell's standard support channels.
Replacement & migration:
- For migration from older TDC 3000 fieldbus solutions, the TK-FXX102/TK-FXX101 combination provides full compatibility with modern FOUNDATION Fieldbus devices.
-
When replacing a legacy fieldbus interface, verify the following:
- Device DD files are compatible with the Experion PKS release
- Segment power budget does not exceed 100 mA per segment
- FTE network configuration is updated to include the new module
- Legacy TDC 3000 UCN‑based fieldbus interfaces require complete migration to Series C architecture.
Recommendation: For new fieldbus installations, the TK-FXX102/TK-FXX101 combination is the recommended solution for Experion PKS Series C environments.
