

The Allen-Bradley 1786-TPYR is a critical component in the ControlNet network infrastructure, designed to provide a reliable and robust tap point for connecting devices to the trunk cable. This passive tap ensures minimal signal loss and maintains network integrity in demanding industrial automation environments. The 1786-TPYR supports seamless integration with ControlNet systems, offering a direct connection for up to six nodes while maintaining the required 75-ohm termination impedance. Its compact design and easy installation make it ideal for both new installations and retrofits, ensuring high-speed deterministic communication across your plant floor.
| Parameter | Specification |
|---|---|
| Model Number | 1786-TPYR |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Type | ControlNet Tap (Passive) |
| Network Compatibility | ControlNet (Coaxial Media) |
| Number of Tap Ports | 1 (Trunk) + 1 (Drop) – Supports up to 6 nodes per tap |
| Impedance | 75 Ohms (RG-6 Quad Shield Coaxial Cable) |
| Connector Type | BNC Female (Trunk and Drop) |
| Operating Temperature | -20°C to +70°C (-4°F to +158°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Relative Humidity | 5% to 95% (Non-Condensing) |
| Protection Rating | IP20 (NEMA 1) |
| Enclosure Material | Zinc Die-Cast with Nickel Plating |
| Mounting Style | Direct Mount on Trunk Cable (Inline or Tee) |
| Maximum Cable Length (Trunk) | 1000 meters (Standard) / 250 meters (Redundant) |
| Signal Attenuation | < 0.5 dB (Typical) |
| Weight | Approximately 0.2 kg (0.44 lbs) |
| Certifications | CE, cULus, ATEX (Zone 2), IECEx |
| Application | Industrial Automation, Process Control, Discrete Manufacturing |

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