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Allen-Bradley 1786-TCAP
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1786-TCAP is a crucial device for upholding peak performance and signal clarity within your ControlNet industrial communication infrastructure. Engineered as a dummy load terminator, this component effectively seals off any unused coaxial BNC tap ports along your ControlNet trunk lines. By stopping signal reflections and guaranteeing correct impedance matching, the 1786-TCAP is vital for avoiding data inaccuracies and maximizing network stability. Its compact form factor and simple snap-on attachment make it a convenient and indispensable item for both new ControlNet setups and maintaining existing systems. Integrate the 1786-TCAP to protect your ControlNet infrastructure from common problems arising from unterminated coaxial connections, ensuring smooth data flow and operational efficiency.Key Features Optimized ControlNet Port Sealing: Specifically engineered to close unused coaxial tap ports within ControlNet networks, preventing signal degradation. Maintains Network Impedance: Ensures precise 75 Ohm impedance matching, which is essential for stable data transfer and preventing reflections. Prevents Signal Reflections: Effectively eliminates signal bounce-back from open ports, which can lead to data corruption and network instability. Easy BNC Snap-on Installation: Designed for rapid and secure attachment to any ControlNet coaxial T-tap with a BNC connector, simplifying setup. Compact and Durable Construction: Built for industrial environments, offering a rugged and space-saving solution for long-term dependability. Boosts Network Reliability: A critical component for safeguarding data integrity and ensuring consistent, error-free ControlNet communication. Global Availability: Available for immediate purchase and swift global shipping, reducing downtime for essential operations. Technical Specifications Brand: Allen-Bradley Series: Bulletin 1786 Part Number: 1786-TCAP Function: Dummy load / Terminator Connector Type: BNC Application: Termination of unused coaxial T-taps in ControlNet networks Impedance: 75 Ohm Environmental Rating: IP20 Condition: New Compatibility: Suitable for all ControlNet coaxial segments utilizing BNC T-taps Applications Unused ControlNet Tap Terminations: Essential for correctly closing any open BNC tap ports on your ControlNet coaxial trunk line. Maintenance and Commissioning of ControlNet Networks: A standard component for ensuring network health and correct installation practices. Network Reliability Optimization: Used to eliminate potential sources of signal interference and data errors, leading to a more robust network. OEM and Retrofit Installations: Perfect for new machinery builds or upgrading existing systems that use ControlNet coax media. Troubleshooting Network Issues: Can be used to isolate and resolve problems related to improper termination or signal reflections. Why Choose This Model? Allen-Bradley Quality Assurance: Benefit from the renowned reliability and engineering excellence of Allen-Bradley, a leader in industrial automation. Dedicated ControlNet Solution: Specifically engineered for ControlNet networks, guaranteeing perfect compatibility and optimal functionality. Critical for Network Health: Do not underestimate the importance of correct termination; the 1786-TCAP is a minor investment that prevents major issues. Simple to Install: The BNC snap-on design requires no specialized tools, making installation quick and effortless. In-Stock & Ready to Ship: Get your essential components quickly with our rapid worldwide shipping, minimizing project delays. Prevents Costly Downtime: By ensuring signal integrity, this terminator helps prevent communication failures that can lead to expensive production halts. Order NowImprove the reliability and performance of your ControlNet network with the Allen-Bradley 1786-TCAP Dummy Load Terminator. This vital component is in stock and available for express worldwide shipping. Do not compromise on network integrity—add the 1786-TCAP to your system today!FAQWhat is the primary function of the Allen-Bradley 1786-TCAP?The 1786-TCAP acts as a dummy load terminator, specifically designed to close off unused coaxial BNC tap ports on ControlNet trunk lines, preventing signal reflections and maintaining network impedance.How does the 1786-TCAP contribute to network reliability?By ensuring proper impedance matching and eliminating signal reflections from open ports, the 1786-TCAP helps prevent data errors and signal degradation, leading to more stable and reliable ControlNet communication.Is the 1786-TCAP difficult to install?No, the 1786-TCAP features an easy BNC snap-on installation design, requiring no special tools for quick and secure attachment to ControlNet coaxial T-taps.What type of connector does the 1786-TCAP use?The 1786-TCAP utilizes a BNC connector, making it compatible with ControlNet coaxial segments that use BNC T-taps.Can this terminator be used in new and existing ControlNet installations?Yes, the 1786-TCAP is suitable for both new ControlNet deployments and for maintaining or troubleshooting existing systems to ensure optimal network health.
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Allen-Bradley 1786-TCAP
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:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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-TCAP
- Function: Dummy load / Terminator
- Connector Type: BNC
- Application: Termination of unused coaxial T-taps in ControlNet networks
- Impedance: 75 Ohm
- Environmental Rating: IP20
- Condition: New
- Compatibility: Suitable for all ControlNet coaxial segments utilizing BNC T-taps
Applications
- Unused ControlNet Tap Terminations: Essential for correctly closing any open BNC tap ports on your ControlNet coaxial trunk line.
- Maintenance and Commissioning of ControlNet Networks: A standard component for ensuring network health and correct installation practices.
- Network Reliability Optimization: Used to eliminate potential sources of signal interference and data errors, leading to a more robust network.
- OEM and Retrofit Installations: Perfect for new machinery builds or upgrading existing systems that use ControlNet coax media.
- Troubleshooting Network Issues: Can be used to isolate and resolve problems related to improper termination or signal reflections.
Why Choose the 1786-TCAP?
- Allen-Bradley Quality Assurance: Benefit from the renowned reliability and engineering excellence of Allen-Bradley, a leader in industrial automation.
- Dedicated ControlNet Solution: Specifically engineered for ControlNet networks, guaranteeing perfect compatibility and optimal functionality.
- Critical for Network Health: Do not underestimate the importance of correct termination; the 1786-TCAP is a minor investment that prevents major issues.
- Simple to Install: The BNC snap-on design requires no specialized tools, making installation quick and effortless.
- In-Stock & Ready to Ship: Get your essential components quickly with our rapid worldwide shipping, minimizing project delays.
- Prevents Costly Downtime: By ensuring signal integrity, this terminator helps prevent communication failures that can lead to expensive production halts.
Availability & Shipping
- ▸In stock: 1786-TCAP 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-TCAP ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
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.
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Independent Supplier Notice
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.