Honeywell TK-FFSU01 51309582-275 Power Supply Board

Product Description

The Honeywell TK‑FFSU01 (51309582‑275) is a high-performance Foundation Fieldbus H1 segment power supply and conditioning module designed for Experion PKS, C300, and Series 8 I/O systems. It delivers stable, isolated DC power to field devices while ensuring robust, noise-free communication across the digital fieldbus segment.

Engineered for industrial control applications, this board integrates signal conditioning, surge protection, and galvanic isolation to maintain data integrity in electrically noisy environments. It supports redundant configurations when deployed with dual modules, enabling continuous, mission-critical operation.

Key Capabilities

• Supplies regulated, isolated DC power to FF H1 devices (typically 10–12 devices per segment)

• Conditions and filters communication signals to reduce noise and interference

• Provides short-circuit protection, surge suppression, and ground-fault isolation

• Supports Link Active Scheduler (LAS) operation and device diagnostics

• Compatible with redundant FF H1 architectures

Technical Specifications

General

• Manufacturer: Honeywell

• Model: TK‑FFSU01

• Part Number: 51309582‑275

• Product Type: Foundation Fieldbus H1 Power Supply / Signal Conditioning Board

• Compatible Systems: Experion PKS, C300 Controller, Series 8 I/O

Electrical

• Input Voltage: 24 VDC typical

• Output: Regulated, isolated DC for FF H1 segment

• Maximum Segment Load: Supports full segment power for 10–12 devices depending on load

• Protection Features: Short-circuit, surge suppression, noise filtering, ground-fault isolation

Communication

• Protocol: Foundation Fieldbus H1

• Data Rate: 31.25 kbps

• Supports LAS and device-level diagnostics

Mechanical

• Form Factor: Honeywell Series 8 / C300 module format

• Mounting: Chassis installation

• Connections: Fieldbus terminals, backplane connector for controller interface

Environmental

• Operating Temperature: –20°C to +55°C

• Humidity: 5–95% non-condensing

• Designed for harsh industrial environments with continuous 24/7 operation

Applications
Ideal for power and signal management in process control, distributed control systems, and smart instrumentation networks requiring high reliability and data integrity. Frequently used with smart transmitters, positioners, and HART/FF H1 devices in chemical, power, and oil & gas plants.

FAQ

Q: Can this board be used in a redundant FF H1 setup?
A: Yes, it supports dual-module configurations for redundancy.

Q: How many devices can it power on a single FF segment?
A: Typically 10–12 devices depending on the individual load.

Q: Is it compatible with older Honeywell I/O systems?
A: Designed primarily for Series 8 I/O and C300 chassis; compatibility with older platforms should be verified.