{"product_id":"allen-bradley-1786-tpys-controlnet-coaxial-straight-y-tap","title":"Allen Bradley 1786-TPYS ControlNet Coaxial Straight Y-Tap","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1786-TPYS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a critical connection point within a ControlNet coaxial media system. This Y-Tap allows a node—such as a PLC, I\/O chassis, or HMI—to connect to the trunk line without interrupting the signal flow to other devices. We offer this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e, ensuring factory-spec signal impedance and physical integrity for high-speed deterministic networks.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1786-TPYS integrates rugged industrial housing with precision-tuned internal circuitry to maintain network balance.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1786-TPYS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlNet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTap Style\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eY-Tap (Straight)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIntegrated Cable Length\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Meter (3.28 ft)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBNC (Coaxial)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMachine Control \/ PLC Communication\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.45 lbs (0.20 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHousing\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndustrial-grade polymer\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNon-Intrusive Node Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1786-TPYS allows for the addition or removal of nodes from the ControlNet network without breaking the trunk line continuity. This design prevents system-wide downtime during hardware maintenance or expansion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Signal Path:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"Straight\" configuration and fixed 1-meter drop cable eliminate the guesswork of cable trimming. It provides a pre-measured, low-attenuation path that ensures your device meets the required signal-to-noise ratio for 5 Mbps data rates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePassive Reliability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBecause the Y-Tap operates as a passive component, it requires no external power. It maintains network impedance (75 Ω) through high-quality internal coupling, effectively preventing signal reflections that cause packet loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Deployment in Cabinets:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe compact form factor excels in crowded PLC racks. The 1-meter pigtail provides sufficient reach to connect the trunk line mounted on the enclosure wall to a controller located in the center of the rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between a \"Straight\" Y-Tap and a \"Right-Angle\" Tap?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1786-TPYS features a straight cable exit, which suits deep enclosures where the cable can run directly outward from the tap. Right-angle versions (like the 1786-TPS) assist in shallow cabinets where bend radius constraints require the cable to exit parallel to the mounting surface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1-meter cable length affect network distance calculations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. When calculating your total ControlNet segment length, you must include the 1-meter drop cable of each 1786-TPYS. Exceeding the maximum allowed segment length without a repeater can lead to timing errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I shorten the integrated 1-meter BNC cable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe strongly advise against modifying the integrated drop cable. The factory-sealed BNC connection ensures electromagnetic shielding. Cutting or re-terminating the cable risks introducing impedance mismatches and EMI vulnerabilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I terminate the unused ports on a 1786-TPYS?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you install a tap but do not yet have a node to connect, you must install a 75 Ω terminator (1786-XT) on the unused BNC port. This prevents signal reflections from crashing the entire network segment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52787835765045,"sku":"1786-TPYS","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1786-TPYS.png?v=1777256590","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1786-tpys-controlnet-coaxial-straight-y-tap","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}