Description
Product Overview
- Allen-Bradley 1786-RPFM is a ControlNet modular repeater.
- It extends ControlNet signals over fiber media.
- The module supports medium-distance communication.
- It improves network stability and noise isolation.
- The design suits demanding industrial systems.
Main Selling Points
- Fiber isolation reduces electrical noise risk.
- Stable 5 Mbps speed ensures data integrity.
- Flexible mounting saves cabinet space.
- High shock tolerance fits harsh sites.
Core Technical Data
- Brand: Allen-Bradley
- Model: 1786-RPFM
- Series: ControlNet
- Type: Modular fiber repeater module
- Communication rate: 5 Mbps
- Rated voltage: 5 V DC
- Maximum current: 400 mA
- Power consumption: 2 W max
- Power dissipation: 2 W max
Fiber & Optical Performance
- Fiber type: 62.5/125 µm multimode OM1
- Connector type: ST plastic or ceramic
- Operating wavelength: 1300 nm
- Optical power budget: 13.3 dB
- Typical transmission range: up to 2 km
- Low signal loss improves uptime
Mechanical & Installation Data
- Mounting orientation: any direction
- Minimum enclosure size: 304.8 × 196.8 × 101.6 mm
- Lightweight modular structure
- Tool-free module replacement
Environmental Resistance
- Operating temperature: 0 to 60 °C
- Nonoperating temperature: -40 to 85 °C
- Relative humidity: 5 to 95 percent
- Vibration resistance: 5 g at 10 to 500 Hz
- Operating shock rating: 30 g
- Nonoperating shock rating: 50 g
Immunity & EMC Performance
- Industrial emission standard: IEC 61000-6-4
- ESD immunity: 6 kV contact, 8 kV air
- Radiated RF immunity: 10 V/m
- Frequency range: 80 to 2000 MHz
Typical Use Cases
- ControlNet backbone extension
- Noise-prone factory environments
- Large production lines
- Power and process automation
Diagnostics & Reliability
- Stable fiber links reduce retries.
- Improves network fault isolation.
- Supports predictable ControlNet timing.
Warranty & Shipping
- 12-month warranty
- Worldwide shipping available
- Courier options: FedEx, UPS, DHL
Professional FAQ
- Can this module reduce ground loop issues?
- Yes. Fiber breaks electrical ground paths.
- Is it suitable for long cable trays?
- Yes. Fiber handles distance and noise well.
- What is a common setup tip?
- Clean fiber ends before connection.
- Does enclosure size matter?
- Yes. Proper airflow improves lifespan.
- How should I choose this model?
- Select it for medium fiber distances.
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PLCDCS HUB Limited.
All rights reserved.
Partner:
Powergear X Automation Limited
Partner:
Oiltech Controls Limited
Contact:
+86 158 8020 0923
Daniel Ortiz
This Allen-Bradley 1786-RPFM arrived brand new and was shipped sooner than promised. The support team answered all my questions and helped confirm compatibility with our fiber-based network. We put it to work in a ControlNet segment last week, and it’s performing flawlessly — clean signals and improved uptime. Great service and a high-quality product!