{"product_id":"tb850-abb-cex-bus-terminator-ac-800m-module","title":"TB850 ABB CEX-Bus Terminator AC 800M Module","description":"\u003ch2\u003eABB TB850 CEX-Bus Terminator\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB\u003c\/strong\u003e \u003cstrong\u003eTB850\u003c\/strong\u003e (Order Code: 3BSC950193R1) is a compact, screw-mounted CEX-Bus terminator designed for ABB AC 800M distributed control systems. It plays a critical role in maintaining signal integrity by terminating the communication line and preventing electrical reflections at the bus end.\u003c\/p\u003e\n\u003ch3\u003eFunction and Design\u003c\/h3\u003e\n\u003cp\u003eFeaturing a 25-pin DB25P male connector, the \u003cstrong\u003eTB850\u003c\/strong\u003e is installed at the last node of the CEX-Bus architecture. Its passive electrical design requires no external power source, resulting in near-zero power consumption and high reliability for long-term industrial deployments.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis terminator is engineered specifically for use with ABB AC 800M processor units such as the PM864 and PM891, as well as communication interfaces like the CI854A and other CEX-Bus compatible modules. It ensures stable, error-free data transmission between controllers and expansion units within control cabinet environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eTB850\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number \/ Order Code\u003c\/td\u003e\n\u003ctd\u003e3BSC950193R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCEX-Bus Terminator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e25-pin DB25P male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive \/ Near-zero\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e55 mm × 16 mm × 50 mm \u003ci\u003e(Note: Source lists alternate packaging dimensions of 2.2 cm × 12.4 cm × 12.6 cm)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.04 kg \u003ci\u003e(Source variant: 0.1 kg)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eSwitzerland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary function of the TB850? A: It terminates the CEX-Bus communication line to eliminate signal reflections and ensure stable data transmission in ABB AC 800M systems.\u003c\/p\u003e\n\u003cp\u003eQ: Does the TB850 require an external power supply? A: No, it is a completely passive device with near-zero power consumption.\u003c\/p\u003e\n\u003cp\u003eQ: How is the unit mounted? A: It features a screw-mounted design using a 25-pin DB25P male connector, attached directly to the final node on the CEX-Bus.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":51309039878456,"sku":"TB850","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/TB850_13670af3-07ad-4994-b200-e95a093c6009.jpg?v=1762221724","url":"https:\/\/www.automodulexpert.com\/products\/tb850-abb-cex-bus-terminator-ac-800m-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}