{"product_id":"yokogawa-nflr121-s51-s1-rs-422-rs-485-module","title":"YOKOGAWA NFLR121-S51 S1 RS-422 RS-485 MODULE","description":"\u003ch3 data-section-id=\"nq8ynu\" data-start=\"0\" data-end=\"18\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"19\" data-end=\"545\"\u003eThe Yokogawa NFLR121-S51 S1 Serial Communication Module is used in STARDOM and field control systems to enable RS-422\/RS-485 communication between PLC\/DCS systems and external devices. Commonly installed in industrial automation systems such as chemical plants, power generation, and manufacturing environments where reliable serial data exchange is required. Maintenance teams, OEMs, and system integrators use this module for system communication, expansion of network interfaces, and replacement of communication modules.\u003c\/p\u003e\n\u003ch3 data-section-id=\"plkbhx\" data-start=\"547\" data-end=\"566\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"567\" data-end=\"1104\"\u003eThe Yokogawa NFLR121-S51 S1 is used in industrial control systems to establish serial communication with external equipment such as \u003ca href=\"https:\/\/plgautomation.com\/collections\/plcs-more\"\u003ePLCs\u003c\/a\u003e, analyzers, and subsystems. It is commonly deployed in distributed control systems, process plants, and automation networks where multipoint communication over RS-485 or point-to-point communication over RS-422 is required. The module supports data exchange for monitoring, control, and integration with third-party systems using standard industrial protocols. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"68ulmp\" data-start=\"1106\" data-end=\"1137\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1138\" data-end=\"2312\"\u003e• Manufacturer: Yokogawa\u003cbr data-start=\"1162\" data-end=\"1165\"\u003e• Model \/ Part Number: NFLR121-S51 S1\u003cbr data-start=\"1202\" data-end=\"1205\"\u003e• Product Type: Serial Communication Module\u003cbr data-start=\"1248\" data-end=\"1251\"\u003e• Interface: RS-422 \/ RS-485 (2 ports) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1327\" data-end=\"1330\"\u003e• Communication Type: Point-to-point (RS-422), multipoint (RS-485) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1434\" data-end=\"1437\"\u003e• Duplex Mode: Half-duplex \/ full-duplex (limited by wiring method) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1542\" data-end=\"1545\"\u003e• Transmission Speed: 0.3 kbps to 115.2 kbps \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1627\" data-end=\"1630\"\u003e• Transmission Distance: Up to 1200 m (RS-485 network) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1722\" data-end=\"1725\"\u003e• Protocol Support: ASCII \/ binary communication \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1811\" data-end=\"1814\"\u003e• Character Format: 7\/8 bits, parity selectable, 1–2 stop bits \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1914\" data-end=\"1917\"\u003e• Connection Type: Terminal block (M4 screw clamp) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"2005\" data-end=\"2008\"\u003e• Current Consumption: Approx. 0.5 A \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"2082\" data-end=\"2085\"\u003e• Weight: Approx. 0.3–0.34 kg \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"2154\" data-end=\"2157\"\u003e• Function: Data communication between control system and external devices\u003cbr data-start=\"2231\" data-end=\"2234\"\u003e• Application Environment: Industrial automation and process control systems\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ln9bp8\" data-start=\"2314\" data-end=\"2340\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2341\" data-end=\"2461\"\u003e• Yokogawa NFLR111-S00\u003cbr data-start=\"2363\" data-end=\"2366\"\u003e• Yokogawa ALR121 Communication Module\u003cbr data-start=\"2404\" data-end=\"2407\"\u003e• Yokogawa NFCP100 with communication expansion module\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"New","offer_id":51734605627694,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_381f2ba2-2334-4391-90a9-22fe5c8bbae6.jpg?v=1770606672","url":"https:\/\/plgautomation.com\/products\/yokogawa-nflr121-s51-s1-rs-422-rs-485-module","provider":"PLG Automation ","version":"1.0","type":"link"}