{"product_id":"lc51-a-yokogawa-communication-card-new-original-stock","title":"LC51*A YOKOGAWA Communication Card | New \u0026 Original Stock","description":"\u003cp\u003eConfigured for high-speed data transmission in distributed control system architectures, the \u003cstrong\u003eYOKOGAWA LC51*A\u003c\/strong\u003e (\u003cstrong\u003eLC51*A\u003c\/strong\u003e Communication Card) provides direct physical signal processing and bus management. This hardware component serves as the primary network interface utilized to execute RL-bus data exchange across industrial process control platforms.\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\u003eLC51*A\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\u003eSubject to factory marking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e45.7 cm x 5.1 cm x 17.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eRL-bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 50 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e1.25 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eNetwork Connectivity and Transmission Range\u003c\/h3\u003e\n\u003cp\u003eThe LC51*A is engineered for long-haul data communication, facilitating transmission distances of up to 50 km. This capability is essential for large-scale infrastructure and industrial automation sites where control centers and remote field devices are geographically dispersed. The card manages the physical layer of the RL-bus interface, ensuring frame synchronization and data integrity at a transmission rate of 1.25 Mbps. The module is designed to maintain signal reliability in environments subject to thermal extremes, adhering to stringent performance standards for continuous operation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What type of cabling is required to support the 50 km transmission distance?\u003c\/p\u003e\n\u003cp\u003eA: Achieving the maximum 50 km transmission distance typically requires high-grade optical fiber media converters or specialized RL-bus repeaters that interface with the LC51*A. Verify the specific network design documentation for signal attenuation budget requirements.\u003c\/p\u003e\n\u003cp\u003eQ: Is the LC51\u003ci\u003eA compatible with legacy RL-bus modules? A: Yes, the card is designed for backward compatibility within standard Yokogawa control system architectures. However, confirm that the system firmware revision supports the specific LC51\u003c\/i\u003eA hardware version to prevent communication bus timeouts.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus Termination:\u003c\/strong\u003e Ensure the RL-bus segment is properly terminated to prevent signal reflections. Reflective noise on long-distance segments can cause significant packet loss and decrease the effective data rate below the 1.25 Mbps threshold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply Integrity:\u003c\/strong\u003e The card requires a stable 5 VDC supply. Use a high-quality, regulated DC power source to prevent voltage ripples, which can interfere with the sensitivity of the bus receiver circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Stability:\u003c\/strong\u003e While rated for -20 deg C to +70 deg C, avoid installing the card in locations prone to rapid temperature cycling. Excessive thermal stress can lead to mechanical fatigue in the PCB solder joints over extended service periods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding and Shielding:\u003c\/strong\u003e Terminate the cable shields to the cabinet ground bus. Proper grounding is critical for suppressing common-mode electromagnetic interference (EMI) that can be induced along long-distance cable runs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49181498638588,"sku":"LC51*A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/FC311_S1.jpg?v=1780971139","url":"https:\/\/www.electronicplc.com\/ar\/products\/lc51-a-yokogawa-communication-card-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}