{"product_id":"yokogawa-acm22rs-422-485-communication-modules","title":"Yokogawa ACM22RS-422\/485 Communication Modules","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa ACM22RS-422\/485\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-performance serial communication interface within industrial automation architectures. This module facilitates seamless bi-directional data exchange between a central controller and peripheral field devices. It supports both RS-422 and RS-485 standards, ensuring robust connectivity across distributed control system (DCS) nodes.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eACM22\u003c\/strong\u003e: Designates the specific series of the Communication Interface Module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRS\u003c\/strong\u003e: Indicates the Serial Communication functional type.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e422\/485\u003c\/strong\u003e: Specifies the supported electrical standards for differential signaling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"selectTdClass\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"selectTdClass\"\u003e100% Brand New, Original Factory Sealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS-422 \/ RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e130mm x 100mm x 45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRack-mounted or DIN-rail compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNoise Immunity\u003c\/strong\u003e: The module utilizes differential signaling to negate electromagnetic interference (EMI) in harsh factory environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpace Optimization\u003c\/strong\u003e: The compact 45mm width allows engineers to maximize high-density cabinet space during system expansion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLong-Distance Reliability\u003c\/strong\u003e: RS-422\/485 protocols allow this module to maintain signal integrity over cable runs exceeding 1000 meters, bridging the gap between remote field instruments and the control room.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Integration\u003c\/strong\u003e: Direct compatibility with Yokogawa software environments eliminates the need for complex third-party drivers or protocol converters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eDoes this module support half-duplex and full-duplex communication?\u003c\/h4\u003e\n\u003cp\u003eYes, the module supports 2-wire half-duplex (RS-485) and 4-wire full-duplex (RS-422) configurations based on the user-defined wiring and jumper settings.\u003c\/p\u003e\n\u003ch4\u003eIs this unit compatible with legacy Yokogawa systems?\u003c\/h4\u003e\n\u003cp\u003eThe ACM22RS-422\/485 integrates with most standard Yokogawa DCS racks that accept ACM-series modules; however, users should verify specific firmware compatibility in the system builder.\u003c\/p\u003e\n\u003ch4\u003eHow does the module handle signal termination?\u003c\/h4\u003e\n\u003cp\u003eEngineers must install external termination resistors at the end of the bus line to prevent signal reflection, as the module provides the interface ports but requires proper bus termination for long-distance stability.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":52007159202104,"sku":"ACM22RS-422\/485","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/ACM22RS-4224851.jpg?v=1774837496","url":"https:\/\/www.automodulexpert.com\/products\/yokogawa-acm22rs-422-485-communication-modules","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}