{"product_id":"abb-88tk50b-e-gjr2397000r1210-station-bus-coupling-module","title":"ABB 88TK50B-E GJR2397000R1210  Station Bus Coupling Module","description":"\u003cp\u003eConfigured for high-speed fiber optic networking in PROCONTROL P14 platforms, the \u003cstrong\u003eABB 88TK50B-E\u003c\/strong\u003e (\u003cstrong\u003eGJR2397000R1210\u003c\/strong\u003e Station Bus Coupling Module) provides direct physical\/electrical execution. This slot-mounted subrack card functions as a specialized communication gateway, routing error-protected PROCONTROL telegrams across deterministic Fiber Distributed Data Interface (FDDI) rings to link distributed control units without introducing cycle timing drift.\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\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\u003e88TK50B-E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrder Code\u003c\/td\u003e\n\u003ctd\u003eGJR2397000R1210\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany \/ Switzerland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e198 mm x 261 mm x 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial control cabinet baseline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Input\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Product Type\u003c\/td\u003e\n\u003ctd\u003eStation Bus Coupling Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Layer Network\u003c\/td\u003e\n\u003ctd\u003eFDDI (ISO\/IEC 9314 standard) optical interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Architecture\u003c\/td\u003e\n\u003ctd\u003ePROCONTROL P14 station bus networks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Envelope\u003c\/td\u003e\n\u003ctd\u003e24,000 cyclic telegrams capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeterministic Token Timing\u003c\/td\u003e\n\u003ctd\u003e3 ms Token Rotation Time (TRT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllocation Capacity\u003c\/td\u003e\n\u003ctd\u003e85% of TRT dedicated to synchronous bandwidth usage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Node Distance\u003c\/td\u003e\n\u003ctd\u003e2 km between adjacent stations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Network Envelope\u003c\/td\u003e\n\u003ctd\u003eUp to 100 km total FDDI ring length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Redundant Ring Execution\u003c\/h3\u003e\n\u003cp\u003eThe 88TK50B-E manages specialized optical transceivers to maintain baseline backplane bus communication velocity metrics, validating token-passing schedules to eliminate transmission jitter across long-distance inter-station links. Operating on a 3 ms Token Rotation Time (TRT) with 85% of that bandwidth strictly locked for synchronous data blocks, the module handles dense physical I\/O density scaling routines smoothly by transmitting up to 24,000 cyclic telegrams per cycle. The embedded communication controllers feature strict firmware flash compatibility across dual-channel architectures, allowing redundant modules with synchronized firmware execution blocks to manage automated link switchovers within microsecond thresholds if a primary optical cable fractures.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the 88TK50B-E maintain data integrity across a 100 km distributed optical ring layout?\u003c\/p\u003e\n\u003cp\u003eA: The module forces strict Cyclic Redundancy Check (CRC) hardware validation protocols on all incoming and outgoing PROCONTROL telegrams. Any frame altered by attenuation or dispersion over the fiber line is flagged at the physical layer, blocking corrupted variables from updating local station subrack registers.\u003c\/p\u003e\n\u003cp\u003eQ: What operational routine occurs if a single fiber optic cable breaks between two PROCONTROL P14 nodes?\u003c\/p\u003e\n\u003cp\u003eA: The FDDI dual-ring architecture switches to a wrap-back topology. The module uses its internal optical routing switches to loop the secondary backup ring back onto the primary data path, preserving complete communication uptime across the surviving segment without halting active process control logic.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45054402822259,"sku":"88TK50B-E GJR2397000R1210","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-15_15-26-25_dfdfd88a-9efd-4916-9e24-663797468abc.png?v=1780025929","url":"https:\/\/www.dcssupplier.com\/products\/abb-88tk50b-e-gjr2397000r1210-station-bus-coupling-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}