1786-TPR ControlNet RG-6 Quad-Shield Coaxial Connector

Availability: 20 left in stock

Product Overview The Allen Bradley 1786-TPR serves as a critical physical media connection piece and passive repeater tap component designed...

SKU: 1786-TPR

Manufacturer: Allen Bradley
Product No.: 1786-TPR
Product Type: ControlNet Media Connectors
Product Origin: USA
Payment:T/T, Western Union
Weight: 200g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Allen Bradley 1786-TPR serves as a critical physical media connection piece and passive repeater tap component designed for high-speed, deterministic coaxial ControlNet architectures. This hardware device establishes a highly reliable mechanical and electrical interface that splits a primary network trunk line, delivering a single isolated drop line routing straight to an individual controller, I/O chassis, or HMI workstation node. By implementing an integrated passive repeater layout, the device maintains uniform, distortion-free signaling across expansive physical distances without needing an external power supply connection. We deliver this networking component exclusively as a 100% brand-new, original unit in factory-sealed packaging to guarantee nominal 75-ohm impedance matching and prevent data packet loss across production floor segments.

Technical Specifications

Parameter	Specification
Manufacturer	Allen Bradley / Rockwell Automation
Product Line	ControlNet Media Components
Part Number	1786-TPR
Condition	100% Brand New Original
Hardware Classification	Coaxial T-Tap with Passive Repeater Circuitry
Supported Network Protocol	ControlNet (Deterministic Scheduled Delivery)
Fixed Data Transmission Rate	5 Megabits per second (Mbps)
Characteristic System Impedance	75 Ohms
Physical Media Compatibility	RG-6 Quad-Shield Coaxial Cable Systems
Port Interface Array	1 Trunk-In Port, 1 Trunk-Out Port, 1 Drop Node Port
Auxiliary Power Requirement	Zero (Completely passive internal components)
Electrical Isolation Strength	Complete galvanic insulation between trunk and drop lines
Physical Installation Style	Panel mounting or dedicated electrical enclosure tracking
Operating Temperature Spectrum	-40 to +60 degrees Celsius
Storage Temperature Profile	-40 to +85 degrees Celsius
Ambient Humidity Limits	5 percent to 95 percent non-condensing
Total Approximate Shipping Weight	2.0 kg (Includes protective factory packaging boxes)
Compliance Standards	UL Listed, CE Certified, CSA Approved

Engineering Advantages

Enforces Full Galvanic Node Isolation: High-voltage surges or short circuits occurring on individual machine drop drops can easily crash an entire plant-wide communication trunk line. This tap utilizes built-in isolation barriers that confine electrical noise and voltage faults to the specific drop-side circuit, keeping the rest of the main network backbone running smoothly.
Eliminates Local Auxiliary Power Drop Requirements: The passive internal repeater circuit uses the native carrier frequency energy to filter and reshape wave pulses. This eliminates the need for separate 24V DC power supply routing at every physical junction box, saving space and reducing panel components on long field runs.
Prevents Distorting Signal Wave Reflections: Precision-tuned internal 75-ohm matching impedances eliminate signal attenuation caused by impedance gaps at split connections. This clear signal path stops waveform deformation over long multi-node trunk configurations, reducing cyclic data dropouts and network retry codes.
Simplifies Physical Redundant Cable Layouts: The dual-port trunk-in and trunk-out configuration simplifies the deployment of true redundant cabling networks. Mounting two parallel 1786-TPR units at each control panel node provides separate, isolated Trunk A and Trunk B lines, ensuring zero-downtime path switching if a physical cable breaks.

FAQs

Can I utilize the 1786-TPR connector with standard household RG-6 television cables?No. The 1786-TPR requires industrial-grade, 75-ohm RG-6 quad-shield coaxial cable engineered and approved specifically for ControlNet systems (such as the 1786-RG6 series). Utilizing non-approved commercial television cables introduces excessive signal dampening, incorrect shielding configurations, and impedance tracking mismatches that degrade or completely break data loops.
What are the maximum cable length restrictions for the drop connection port?Following rigid standard ControlNet physical media rules, a single drop cable running from the 1786-TPR drop port straight to an automation device must not exceed 30 meters (approximately 100 feet) in total length. If your layout requires a physical distance greater than 30 meters to reach a node, you must install an active repeater module rather than a standard passive T-tap.
Does this passive T-tap component feature or require internal termination resistors?The 1786-TPR tap module does not contain built-in end-of-line termination. You must install a dedicated 75-ohm external physical terminator plug (such as the 1786-XT) onto the open trunk ports of the very first and very last T-taps in your physical coaxial trunk segment to close the loop properly.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.