{"product_id":"tb850-3bsc950193r1-abb-s800-i-o-cex-bus-terminator","title":"TB850 3BSC950193R1 ABB S800 I\/O CEX-Bus Terminator","description":"\u003ch2\u003eABB TB850 3BSC950193R1 CEX-Bus Terminator\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB TB850 3BSC950193R1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eTB850\u003c\/strong\u003e CEX-Bus Terminator, provides direct electrical termination for CEX-Bus communication networks in ABB industrial control platforms. It applies a 120 ohm termination resistance through a 25-pin DB25P male connector interface to maintain bus signal integrity.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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 3BSC950193R1\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCEX-Bus Terminator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.05 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e6.5 x 2.5 x 4.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive termination device, no external power required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Interface\u003c\/td\u003e\n\u003ctd\u003eCEX-Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination Resistance\u003c\/td\u003e\n\u003ctd\u003e120 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e25-pin DB25P male connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Interface\u003c\/td\u003e\n\u003ctd\u003e9-pin D-sub connector or terminal block compatible interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5-95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePollution Degree\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eABB Industrial Control Bus Signal Termination\u003c\/h3\u003e\n\u003cp\u003eThe ABB TB850 supports CEX-Bus communication stability by providing the required end-of-line termination resistance. Therefore, the module reduces signal reflections on the communication line and maintains correct electrical characteristics across connected CEX-Bus segments.\u003c\/p\u003e\n\u003cp\u003eFor ABB PLC and DCS configurations, CEX-Bus communication depends on correct termination placement. The TB850 installs at the designated bus endpoint and works as a passive electrical component without firmware configuration or parameter settings.\u003c\/p\u003e\n\u003cp\u003eAdditionally, ABB control system installations require correct connector seating and cable routing to maintain communication performance. The termination resistor directly matches the bus impedance requirement of 120 ohm.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary function of the ABB TB850 3BSC950193R1?\u003cbr\u003eA: The TB850 functions as a CEX-Bus terminator by providing a 120 ohm termination resistance at the communication bus endpoint.\u003c\/p\u003e\n\u003cp\u003eQ: Does the TB850 require external power or firmware configuration?\u003cbr\u003eA: No. The TB850 is a passive termination component and does not require external power, firmware loading, or software configuration.\u003c\/p\u003e\n\u003cp\u003eQ: What installation consideration applies to the TB850 connection?\u003cbr\u003eA: The installer should place the terminator at the correct CEX-Bus endpoint and verify proper connector engagement and cable shielding practices.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the TB850 only at the specified CEX-Bus termination position within the ABB control system configuration.\u003c\/li\u003e\n\u003cli\u003eVerify that the communication cable connection is fully seated before system startup.\u003c\/li\u003e\n\u003cli\u003eMaintain proper cable separation from high-voltage power wiring to reduce electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields according to the ABB system grounding specification.\u003c\/li\u003e\n\u003cli\u003eAvoid mechanical stress on the DB25 connector during installation and maintenance operations.\u003c\/li\u003e\n\u003cli\u003eConfirm bus continuity and termination resistance before commissioning the communication network.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44632855445592,"sku":"TB850 3BSC950193R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/TB850-3BSC950193R1-3_1200x1200_b2d1ed75-8580-4682-b109-7ce12df7006b.jpg?v=1787299437","url":"https:\/\/www.industriaxplc.com\/id\/products\/tb850-3bsc950193r1-abb-s800-i-o-cex-bus-terminator","provider":"IndustriaX Limited","version":"1.0","type":"link"}