{"product_id":"yokogawa-ant502-50-bu1a-optical-esb-bus-repeater-slave-module","title":"Yokogawa ANT502-50\/BU1A Optical ESB Bus Repeater Slave Module","description":"\u003cp\u003eConfigured for long-range network extension within CENTUM VP control architectures, the \u003cstrong\u003eYokogawa ANT502-50\/BU1A\u003c\/strong\u003e (\u003cstrong\u003eANT502-50\/BU1A\u003c\/strong\u003e Optical ESB Bus Repeater) provides direct physical signal conversion for extended distance I\/O bus communication.\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\u003eANT502-50\/BU1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard industrial module profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 5 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Connectable Stages\u003c\/td\u003e\n\u003ctd\u003e2 (chain configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Connections\u003c\/td\u003e\n\u003ctd\u003e8 (chain and star configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eNetwork Connectivity and Signal Propagation\u003c\/h3\u003e\n\u003cp\u003eThe ANT502-50\/BU1A architecture is engineered to maintain deterministic communication across extended distances in CENTUM VP distributed control systems. By converting electrical bus signals into optical pulses, the module effectively bypasses the distance limitations of copper-based ESB (Extended Serial Bus) connections, supporting runs of up to 5 km. This functionality allows for the physical decentralization of I\/O nodes while maintaining the high-speed, low-latency performance required for real-time process monitoring. The module supports flexible topologies, including chain and star configurations, enabling high-density I\/O distribution across extensive plant facilities.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the ANT502-50\/BU1A require a specific type of optical fiber for the 5 km transmission distance?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module is designed to operate with standard industrial-grade optical fiber cabling suitable for long-distance communication; ensure the fiber specifications (core diameter, attenuation loss) align with the requirements for ESB bus signal transmission to guarantee data integrity.\u003c\/p\u003e\n\u003cp\u003eQ: Can the repeater slave be mixed with standard copper ESB cabling in the same bus loop?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The optical repeater acts as a bridge. However, the total number of stages and connections must strictly adhere to the system design limits (maximum of 2 stages in chain configuration) to prevent timing violations or synchronization errors on the ESB bus.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure all optical connectors are cleaned with approved lint-free materials before mating to the ANT502-50\/BU1A to prevent signal attenuation caused by dust or contaminants.\u003c\/li\u003e\n\u003cli\u003eRoute the fiber optic cabling through dedicated protective conduits to prevent mechanical stress, crushing, or excessive bending, which could fracture the fiber core.\u003c\/li\u003e\n\u003cli\u003eVerify that the current consumption remains within the 0.5 A limit to ensure the power supply modules in the local I\/O rack are not overloaded during system startup.\u003c\/li\u003e\n\u003cli\u003eProperly seat the module into the designated slot and secure the front-face mounting screws to achieve a solid electrical ground to the cabinet chassis.\u003c\/li\u003e\n\u003cli\u003eAfter physical installation, perform an optical signal power check using an OTDR or optical power meter to confirm that the signal loss across the fiber link is within the operational tolerance before energizing the I\/O bus.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49245965844732,"sku":"ANT502-50\/BU1A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/ANT502-50BU1A.jpg?v=1783043694","url":"https:\/\/www.electronicplc.com\/products\/yokogawa-ant502-50-bu1a-optical-esb-bus-repeater-slave-module","provider":"Electronic PLC","version":"1.0","type":"link"}