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- Honeywell
- FC-RUSFDU-01
- Fieldbus Redundant Communication Unit
- USA
- 3.0 cm × 31.3 cm × 27.8 cm
- 0.56kg
- Xiamen, China
- New & In Stock
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Product Specifications: Honeywell FC‑RUSFDU‑01
| Parameter | Specification |
|---|---|
| Model | FC‑RUSFDU‑01 |
| Product Type | Fieldbus Redundant Communication / Remote I/O (RIO) Unit |
| Brand | Honeywell |
| Series | Redundant Communication Units / DCS Fieldbus Interface |
| Number of Channels | 32 channels for data acquisition and control |
| Material / Housing | Stainless steel (corrosion resistant) |
| Communication Mode | Fieldbus; Redundant communication links; optically capable over long distance |
| Fiber‑optic Range | Up to ~40 km (for fiber link) |
| Input/Output Density | High‑density I/O |
| Dimensions (H × W × D) | 3.0 cm × 31.3 cm × 27.8 cm |
| Weight | ~ 0.56 kg |
| Environmental Durability | Designed for industrial environments; corrosion resistant material; long fiber links |
| Safety / Standards | Compliant with industrial safety / fieldbus standards (assumed) |
| Typical Applications | Distributed Control Systems (DCS), TPS (TotalPlant Solution), connection to field sensors/actuators |
Product Introduction
The FC‑RUSFDU‑01 is a Fieldbus Redundant Communication Unit designed to provide reliable and redundant communication between Honeywell’s TPS (TotalPlant Solution) DCS and field devices (sensors, actuators, etc.). Redundancy ensures that if the primary communication path fails, a backup link takes over automatically, minimizing system downtime.
It handles 32 channels of signal I/O, supports long‑distance fiber‑optic communication (up to ~40 kilometers), and is built in stainless steel for durability and corrosion resistance. Its compact build (around 0.56 kg) allows installation in racks or cabinets without imposing heavy weight, while robust enough for industrial conditions.
Product Applications
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Redundant communication links in DCS systems for process plants (oil & gas, chemical, power)
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Connecting remote field devices (sensors/actuators) over fiber for long distances
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Providing high‑availability link in critical control loops
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Environments with harsh conditions (corrosive, extreme distance, EMI)
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Fieldbus network segments needing fault tolerance and backup path switching
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Data acquisition for monitoring, safety instrumentation, and control panels
Product Advantages
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Redundancy: automatic switchover in case primary path fails, ensuring minimal downtime.
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High channel count: 32 channels lets many devices connect through one module.
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Long‑distance capability: fiber‑optic reach up to ~40 km supports remote installations.
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Durable build: stainless steel housing resists corrosion; industrial grade.
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Lightweight and compact: ~0.56 kg; easy to mount and handle.
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Flexibility: works with multiple fieldbus protocols in the Honeywell TPS environment.
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Reliability: designed for continuous operation, industrial safety compliance.
Brand & Series Information
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Brand: Honeywell
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Series: Redundant Communication Units (Fieldbus / Remote I/O) within Honeywell’s DCS / TPS product family
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System Role: Acts as communication node / redundant interface between fieldbus network and field devices; part of remote I/O infrastructure
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Positioning: Ensures high availability, reliability in communication; “backup capable” communication link
Related / Similar Models (Same Series or Functionally Close) – 5 Recommendations
Here are 5 models in similar category (redundant communication, fieldbus I/O units etc.) to compare or consider. Some specs may be approximated.
| Model | Channels / Function | Fiber‑Optic / Distance | Dimensions / Weight |
|---|---|---|---|
| FC‑RUSFDU‑01 | 32 channels, redundant fieldbus comms at fiber up to ~40 km | Fiber / long‑distance | 3.0 × 31.3 × 27.8 cm; ~0.56 kg |
| FC‑RUSFDU‑02 | Similar redundant communication unit | Likely shorter distance or alternate fiber type | ~31 × 27 × 5 cm; ~0.6 kg |
| FC‑RUSIO‑3224 | Remote I/O module, more I/O channels | Maybe copper / fiber hybrid | Larger chassis module; ~1‑2 kg |
| RUSLS‑3224 | Safety‑rated remote I/O module | Enhanced protocol safety | Similar footprint; weight varies |
| RIO / Redundant Comm. Unit from DCS line (alternate model) | 16‑32 channels redundant I/O | Fiber / copper link backup | Slightly larger size; ~0.8‑1 kg |
Popular Honeywell Models (Brand‑Wide) – 5 Hot Picks
Here are five Honeywell modules / units that are often used alongside or as alternatives, with key specs:
| Model | Purpose / Function | Key Specs / Output | Size / Weight |
|---|---|---|---|
| FC‑RUSFDU‑01 | Redundant Fieldbus Communication Unit | 32 channels, fiber link up to ~40 km | 3.0 × 31.3 × 27.8 cm; ~0.56 kg |
| FC‑IOCHAS‑0003R | I/O Chassis module | Multiple digital/analog I/O | Larger size; weight more |
| FC‑IOTA‑R24 | I/O Termination Assembly, redundant version | For I/O termination, 24 V DC circuits | Medium module; ~1 kg‑scale |
| FC‑PDB‑IOX05 | Power Distribution & 5 V / watchdog lines | Low‑voltage + redundancy functions | Compact; lighter (<1 kg) |
| FC‑PSU‑UNI2450U | Universal Power Supply 25/28V DC | High current PSU | Larger, heavier (~5‑6 kg) |
FAQ – 10 QA about FC‑RUSFDU‑01
Each ends with a blank line.
Q1: What does “redundant communication” mean in FC‑RUSFDU‑01?
A1: It means the device has at least two communication paths; if the primary fails, it switches to a backup link so the communication to field devices doesn’t stop.
Q2: How many channels of I/O does this module support?
A2: It supports 32 I/O channels for monitoring and control.
Q3: What physical size and weight is this unit?
A3: Its dimensions are about 3.0 cm × 31.3 cm × 27.8 cm; weight is approximately 0.56 kg.
Q4: What kind of materials protect this device from corrosion or harsh industrial conditions?
A4: The housing is made from stainless steel, offering resistance to corrosion and durability in harsh environments.
Q5: How far can data be transmitted using its fiber‑optic capability?
A5: Up to about 40 kilometers, enabling remote device communication.
Q6: In what kinds of industrial systems is this module used?
A6: It is used in distributed control systems (DCS), especially in Honeywell’s TPS line, connecting sensors and actuators over fieldbus with redundancy.
Q7: Does the device require a fiber‑optic cable only, or can it work over conventional copper lines?
A7: Primary design is for fiber‑optic communication; copper may be used for shorter or backup paths depending on system design.
Q8: What happens when one communication path fails?
A8: The module automatically switches to the redundant path to maintain communication integrity.
Q9: What kind of signals (analog/digital) can the 32 channels handle?
A9: They can handle typical field signals from sensors and actuators; depending on system configuration analog or digital channel types are supported.
Q10: What certification or safety compliance does this module follow?
A10: It meets industrial safety standards for process control equipment; stainless steel construction, safe enclosure, redundancy all contribute to compliance with relevant fieldbus safety and reliability standards.
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