{"product_id":"tb850-3bsc950193r1-abb-s800-i-o-cex-bus-terminator","title":"TB850 3BSC950193R1 | ABB S800 I\/O CEX-Bus Terminator","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB TB850 (3BSC950193R1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the indispensable termination component for the CEX-Bus (Communication Extension Bus) within the S800 I\/O and AC 800M controller architecture. This passive hardware unit prevents signal reflection and maintains the correct characteristic impedance of the high-speed communication line. Without a properly installed TB850, the bus suffers from data corruption and intermittent communication timeouts. We provide this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your industrial network operates with peak signal clarity and zero data loss.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eThe TB850 utilizes a precision-matched impedance circuit to stabilize the bus:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct ID:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3BSC950193R1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eType Designation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTB850\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCEX-Bus End Termination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Width:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e50 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Height:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Depth \/ Length:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e55 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Weight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.04 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDirect plug-in to CEX-Bus port\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eABB AC 800M Controllers and S800 I\/O Communication Interfaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElimination of Signal Reflection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe TB850 absorbs traveling waves at the end of the CEX-Bus line. This prevents \"signal bounce\" which otherwise creates destructive interference and causes the controller to lose contact with I\/O modules or communication interfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Data Stabilization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy maintaining a constant impedance across the entire bus length, the TB850 allows the CEX-Bus to operate at its maximum rated baud rate. This stability supports the fast update cycles required for complex PID control and safety-related logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-Compact Plug-and-Play Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module features a small 16mm height profile. It plugs directly into the final communication port of the cluster, requiring no additional wiring or external power. This simplifies commissioning and reduces the chance of manual wiring errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eZero-Latency Passive Operation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBecause the TB850 uses passive components, it introduces no processing delay into the network. It provides instant, hardware-level stabilization from the moment of power-up, ensuring the bus remains ready for immediate data exchange.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Mechanical Fit:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe connector pins utilize high-quality plating to ensure a low-resistance contact point. The mechanical housing snaps firmly into place, resisting the vibrations common in heavy industrial environments like power plants or chemical processing facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhere exactly should I install the TB850?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou must install the TB850 at the very last physical port of the CEX-Bus extension. Every communication bus requires termination at both ends to function correctly; the TB850 handles the \"far end\" termination of the extension line.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if I forget to install the bus terminator?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOmission of the TB850 typically results in \"Bus Error\" alarms in the DCS software. You will likely experience intermittent communication failures, where I\/O modules appear and disappear from the network randomly due to signal noise and reflections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the TB850 require any software configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The TB850 is a purely hardware-based component. Once you plug it into the correct port, it begins stabilizing the bus immediately. No firmware updates or IP addressing are required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the TB850 for standard Ethernet ports?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The TB850 is specifically engineered for the ABB CEX-Bus protocol and physical interface. Plugging it into an RJ45 Ethernet port or other communication types will result in hardware mismatch and potential damage to the pins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53172633698488,"sku":"TB850 3BSC950193R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/TB8503BSC950193R11.jpg?v=1774842455","url":"https:\/\/www.globalpetroparts.com\/products\/tb850-3bsc950193r1-abb-s800-i-o-cex-bus-terminator","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}