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Allen-Bradley 1786-TPYS straight-style Y-Tap connector for ControlNet coaxial networks

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Allen-Bradley 1786-TPYS

by Allen-Bradley

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OverviewThe Allen-Bradley 1786-TPYS is a vital component for establishing resilient ControlNet™ coaxial network connections. This straight-style Y-Tap connector is expertly designed to bridge individual ControlNet nodes with the main trunk line. A key advantage is its integrated 1-meter (39.6-inch) drop cable, which removes the need for additional cable assemblies and streamlines the installation process. This design not only simplifies wiring but also significantly improves system dependability by providing a direct, shielded connection, ensuring optimal signal fidelity throughout your industrial automation setup. Whether for new installations, upgrades, or maintenance, the 1786-TPYS delivers consistent performance in challenging industrial settings.Key Features Optimized for ControlNet Coaxial Networks: Specifically engineered for 75 Ohm ControlNet systems, ensuring full compatibility and peak performance. Integrated 1-Meter Drop Cable: Includes a pre-attached 1-meter (39.6 in.) drop cable with a BNC interface for quick and easy node connections. Straight-Style Design: Facilitates tidy and efficient cabling within control panels and enclosures. Enhanced Signal Integrity: Provides a secure and shielded connection, minimizing signal loss and ensuring reliable data transmission. Reduced Installation Time: The all-in-one design with a pre-installed drop cable simplifies wiring and decreases setup time. Durable Industrial Construction: Built to withstand harsh industrial conditions, featuring an IP20 environmental rating for robust operation. Field Installable: Designed for easy in-line installation, making it versatile for various field applications. Technical Specifications Brand: Allen-Bradley Series: Bulletin 1786 Part Number: 1786-TPYS Type: Y-Tap, straight-style Drop Cable Length: 1 meter (39.6 inches) Media Type: Coaxial (75 Ohm) Function: Node-to-trunk cable connection Connector Type: Pre-attached drop cable with BNC interface Environmental Rating: IP20 Mounting Style: In-line / field installation Condition: New Applications ControlNet Network Expansion: Essential for adding new nodes or extending existing ControlNet coaxial networks. OEM Machinery Integration: Perfect for original equipment manufacturers incorporating ControlNet communications into their industrial machinery. Industrial Automation Projects: Ideal for a wide range of automation applications requiring reliable device-to-network connectivity. Retrofit and Upgrade Installations: Simplifies the process of upgrading older systems or retrofitting new devices into existing ControlNet infrastructures. Panel and Enclosure Wiring: Provides a compact and efficient solution for connecting field devices within control panels and electrical enclosures. Distributed I/O Systems: Facilitates robust connections for distributed input/output modules on the ControlNet network. Why ChooseSelecting this model brings several advantages to your industrial automation infrastructure: Trusted Allen-Bradley Quality: Benefit from the renowned reliability and performance associated with Allen-Bradley industrial automation products. Seamless ControlNet Integration: Specifically engineered for ControlNet, guaranteeing optimal compatibility and network performance. Reduced Installation Complexity: The integrated 1-meter drop cable significantly simplifies wiring, saving time and reducing potential errors during setup. Superior Signal Protection: Engineered to maintain signal integrity, safeguarding your critical data communications in noisy industrial environments. Durability for Harsh Environments: With an IP20 rating and robust construction, the 1786-TPYS is built to last in demanding industrial settings. Global Availability and Support: This product is in stock and available for fast worldwide shipping, ensuring you get the components you need when you need them. Order NowEnhance the reliability and efficiency of your ControlNet coaxial network with the Allen-Bradley 1786-TPYS straight-style Y-Tap. This high-performance connector is available for immediate shipment to support your industrial automation needs. Invest in a solution that simplifies installation and ensures robust data transmission.FAQWhat is the primary function of the Allen-Bradley 1786-TPYS?The 1786-TPYS acts as a straight-style Y-Tap connector, designed to facilitate connections between individual ControlNet nodes and the main trunk line of a ControlNet coaxial network.Does this connector require additional cables for installation?No, the Allen-Bradley 1786-TPYS features an integrated 1-meter (39.6-inch) drop cable with a BNC interface, eliminating the need for separate cable assemblies and streamlining the installation process.What environments is the 1786-TPYS suitable for?With an IP20 environmental rating and durable construction, the 1786-TPYS is built to perform reliably in demanding and harsh industrial environments.How does this connector improve network performance?The 1786-TPYS provides a secure and shielded connection, which minimizes signal loss and ensures reliable data transmission, thereby enhancing overall signal integrity and network performance.Is the Allen-Bradley 1786-TPYS compatible with all ControlNet systems?Yes, it is specifically designed for 75 Ohm ControlNet systems, ensuring full compatibility and optimal performance within such networks.

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PRODUCT DETAILS

Allen-Bradley 1786-TPYS

Overview

This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Brand: Allen-Bradley
  • Series: Bulletin 1786
  • Part Number: 1786-TPYS
  • Type: Y-Tap, straight-style
  • Drop Cable Length: 1 meter (39.6 inches)
  • Media Type: Coaxial (75 Ohm)
  • Function: Node-to-trunk cable connection
  • Connector Type: Pre-attached drop cable with BNC interface
  • Environmental Rating: IP20
  • Mounting Style: In-line / field installation
  • Condition: New

Applications

  • ControlNet Network Expansion: Essential for adding new nodes or extending existing ControlNet coaxial networks.
  • OEM Machinery Integration: Perfect for original equipment manufacturers incorporating ControlNet communications into their industrial machinery.
  • Industrial Automation Projects: Ideal for a wide range of automation applications requiring reliable device-to-network connectivity.
  • Retrofit and Upgrade Installations: Simplifies the process of upgrading older systems or retrofitting new devices into existing ControlNet infrastructures.
  • Panel and Enclosure Wiring: Provides a compact and efficient solution for connecting field devices within control panels and electrical enclosures.
  • Distributed I/O Systems: Facilitates robust connections for distributed input/output modules on the ControlNet network.

Why Choose the 1786-TPYS?

Selecting this model brings several advantages to your industrial automation infrastructure:

  • Trusted Allen-Bradley Quality: Benefit from the renowned reliability and performance associated with Allen-Bradley industrial automation products.
  • Seamless ControlNet Integration: Specifically engineered for ControlNet, guaranteeing optimal compatibility and network performance.
  • Reduced Installation Complexity: The integrated 1-meter drop cable significantly simplifies wiring, saving time and reducing potential errors during setup.
  • Superior Signal Protection: Engineered to maintain signal integrity, safeguarding your critical data communications in noisy industrial environments.
  • Durability for Harsh Environments: With an IP20 rating and robust construction, the 1786-TPYS is built to last in demanding industrial settings.
  • Global Availability and Support: This product is in stock and available for fast worldwide shipping, ensuring you get the components you need when you need them.

Availability & Shipping

  • In stock: 1786-TPYS ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1786-TPYS ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1786-TPYS acts as a straight-style Y-Tap connector, designed to facilitate connections between individual ControlNet nodes and the main trunk line of a ControlNet coaxial network.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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