{"product_id":"abb-tu848-module-termination-unit","title":"ABB TU848 Module Termination Unit","description":"\u003ch2\u003eABB TU848 Module Termination Unit\u003c\/h2\u003e\n\u003cp\u003eConfigured for redundant TB840\/TB840A Optical ModuleBus Modem interfacing in the ABB S800 I\/O system, the \u003cstrong\u003eABB TU848 3BSE042558R1\u003c\/strong\u003e (\u003cstrong\u003eTU848\u003c\/strong\u003e Module Termination Unit) provides the physical and electrical termination interface for redundant ModuleBus connections, dual power inputs, and modem installation.\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\u003eTU848\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Article Number\u003c\/td\u003e\n\u003ctd\u003e3BSE042558R1\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\u003eModule Termination Unit for redundant TB840\/TB840A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem\u003c\/td\u003e\n\u003ctd\u003eABB S800 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModuleBus Interface\u003c\/td\u003e\n\u003ctd\u003eRedundant electrical ModuleBus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Modems\u003c\/td\u003e\n\u003ctd\u003eTB840 \/ TB840A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003e24 VDC, 19.2 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModuleBus Current Distribution\u003c\/td\u003e\n\u003ctd\u003e5 V: max. 1.5 A; 24 V: max. 1.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Insulation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Test Voltage\u003c\/td\u003e\n\u003ctd\u003e500 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail, vertical or horizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size\u003c\/td\u003e\n\u003ctd\u003eSolid \/ stranded, 0.2 to 2.5 mm2 (24 to 12 AWG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIP20, IEC 60529\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e124 mm x 186.5 mm x 47 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eNot specified in supplied data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications \/ Standards\u003c\/td\u003e\n\u003ctd\u003eCE, EN 61010-1, UL 61010-1, ATEX Zone 2, cULus Hazardous Locations Class 1 Zone 2, Marine ABS, BV, DNV-GL, LR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRedundant ModuleBus and Modem Interface\u003c\/h3\u003e\n\u003cp\u003eThe TU848 provides two modem positions for redundant TB840 or TB840A Optical ModuleBus Modems. Each modem has an associated power connection, while the MTU distributes the required ModuleBus supply to the installed modem arrangement.\u003c\/p\u003e\n\u003cp\u003eThe unit incorporates a redundant electrical ModuleBus interface for connection to redundant S800 I\/O configurations. Therefore, the TU848 functions as the termination and mounting interface rather than as an active communication processor.\u003c\/p\u003e\n\u003cp\u003eA rotary switch provides cluster address selection from 1 through 7. The setting must correspond to the applicable S800 I\/O cluster configuration.\u003c\/p\u003e\n\u003cp\u003eThe mechanical keying system provides 36 configuration combinations. Consequently, the installed module type can be mechanically restricted according to the configured key position, reducing the possibility of installing an incompatible module.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the TU848 operate as an active ModuleBus communication module?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The TU848 is a passive Module Termination Unit. It provides physical termination, power distribution, modem mounting, and ModuleBus interconnection for TB840\/TB840A modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the TU848 support redundant TB840\/TB840A configurations?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The TU848 is specified for redundant TB840\/TB840A Optical ModuleBus Modem configurations and provides separate power connections for the redundant modem arrangement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What cluster address range can be configured on the TU848?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The integrated rotary switch supports cluster address settings from 1 through 7.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the TU848 on a suitable DIN rail and engage the integrated latching mechanism. Verify that the unit is mechanically secured and that the mounting arrangement provides the required protective grounding path.\u003c\/li\u003e\n\u003cli\u003eInstall the applicable TB840 or TB840A modems according to the configured mechanical keying. Confirm that the module key position matches the intended hardware configuration before insertion.\u003c\/li\u003e\n\u003cli\u003eConnect the two 24 VDC supply circuits to their designated power terminals when implementing the redundant modem configuration. Observe the specified 19.2 to 30 VDC input range.\u003c\/li\u003e\n\u003cli\u003eKeep ModuleBus and power wiring separated from high-current switching conductors and sources of electromagnetic interference where practical.\u003c\/li\u003e\n\u003cli\u003eUse solid or stranded conductors within the specified 0.2 to 2.5 mm2 range. Secure each conductor according to the terminal manufacturer's applicable wiring practice.\u003c\/li\u003e\n\u003cli\u003eSet the rotary cluster address before placing the assembly into service. Verify that the selected address corresponds to the S800 I\/O cluster configuration.\u003c\/li\u003e\n\u003cli\u003eVerify polarity, terminal assignment, module seating, mechanical keying, and redundant connections before energizing the assembly.\u003c\/li\u003e\n\u003cli\u003eMaintain the specified operating environment of 0 to +55 deg C and 5 to 95% relative humidity, non-condensing. The enclosure rating is IP20; therefore, additional cabinet-level environmental protection may be required.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44595725434968,"sku":"TU848 3BSE042558R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/TU848-3BSE042558R1-3_1200x1200_a3d1ac82-42a2-4011-907b-7387acc795f7.jpg?v=1786704378","url":"https:\/\/www.industriaxplc.com\/id\/products\/abb-tu848-module-termination-unit","provider":"IndustriaX Limited","version":"1.0","type":"link"}