Product Description
Allen-Bradley 1786-RPFM ControlNet Fiber Ring Medium
The Allen-Bradley 1786-RPFM is a ControlNet Fiber Ring Module that facilitates high-speed fiber-optic communication within an industrial ControlNet network. It ensures efficient and reliable data transmission while meeting strict environmental and safety standards.
Key Specifications
Electrical & Power Ratings
| Attribute |
Specification |
| Backplane Voltage & Current |
400 mA @ 5V DC (max) |
| Power Consumption |
2 W (max) |
| Power Dissipation |
2 W (max) |
| Communication Rate |
5 Mbps |
| Mounting Orientation |
Any orientation |
| Minimum Enclosure Size (HxWxD) |
304.8 x 196.8 x 101.6 mm (12 x 7.75 x 4 in.) |
Fiber Optic Specifications
| Attribute |
Specification |
| Fiber Type |
62.5/125 Micron multimode OM-1 fiber |
| Fiber Termination Type |
ST Plastic or Ceramic |
| Operating Wavelength |
1300 nm |
| Optical Power Budget |
13.3 dB (includes losses due to fiber link, splices, attenuation, and ST terminations) |
| Transmitter Power Output |
<5 mW/mm² |
Environmental Specifications
| Condition |
Specification |
| Operating Temperature |
0 to 60°C (32 to 140°F) |
| Storage Temperature |
-40 to 85°C (-40 to 185°F) |
| Relative Humidity |
5% to 95% (non-condensing) |
| Vibration Resistance |
5 g @ 10–500 Hz |
| Shock (Operating) |
30 g |
| Shock (Non-Operating) |
50 g |
Electromagnetic Compatibility & Immunity
| Specification |
Standard |
| Emissions |
IEC 61000-6-4 |
| ESD Immunity |
IEC 61000-4-2 (6 kV contact, 8 kV air discharge) |
| Radiated RF Immunity |
IEC 61000-4-3 (10V/m from 80–2000 MHz, 3V/m from 2000–2700 MHz) |
Certifications & Compliance
| Certification |
Compliance Details |
| UL |
Listed Industrial Control Equipment (UL File E65584) |
| CSA |
Certified for Process Control Equipment & Class I, Division 2 Hazardous Locations |
| FM |
Approved for Class I, Division 2, Group A, B, C, D Hazardous Locations |
| CE |
Complies with EU EMC and LVD Directives (EN 61326-1, EN 61000-6-2, EN 61131-2) |
| C-Tick |
Complies with Australian Industrial Emissions Standards |
| ATEX |
II 3 G Ex nA op is IIC T5 Gc (SIRA14ATEX4171X) |
| IECEx |
IECEx System Compliant (IECExSIR14.0048X) |
| KC |
Korean Radio Waves Act, Clause 3 |
| EAC |
Russian Customs Union EMC & LV Technical Regulations |
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