{"product_id":"arm55w-yokogawa-relay-output-board","title":"ARM55W Yokogawa Relay Output Board","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa ARM55W is a high-density Relay Output Board designed for discrete contact outputs within the CENTUM VP control system. It provides 32 relay output channels, enabling reliable interfacing between low-power control logic and high-power field devices such as solenoid valves, motor starters, and auxiliary relays. With mechanical relay isolation, the ARM55W ensures safe and stable switching in demanding industrial environments. This unit is supplied as 100% brand new, original factory hardware to ensure maximum system reliability and uptime.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eARM55W\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Base model for 32-channel relay contact output board\u003cbr\u003e\u003cstrong\u003e-0\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Standard functional specification\u003cbr\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Mechanical design for 19-inch rack mounting or cabinet integration\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e32-point relay contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Type\u003c\/td\u003e\n\u003ctd\u003eForm A (NO) or Form C (Changeover) (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Connections\u003c\/td\u003e\n\u003ctd\u003eDedicated cable interface to terminal blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Load Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC \/ 110 V AC (verify per application)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003e19-inch rack mountable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e≥ 10 MΩ at 500 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"selectTdClass\"\u003eCondition\u003c\/td\u003e\n\u003ctd class=\"selectTdClass\"\u003e100% Brand New Original\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Power Switching Capability\u003c\/strong\u003e\u003cbr\u003eMechanical relay outputs support higher current loads compared to transistor-based modules, allowing direct control of field devices without additional interposing relays.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Electrical Isolation\u003c\/strong\u003e\u003cbr\u003eRelay contacts provide true galvanic isolation with a physical air gap, protecting control electronics from voltage spikes and electrical transients.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Configuration Support\u003c\/strong\u003e\u003cbr\u003eDesigned to accept dual-redundant I\/O cable inputs, ensuring continuous output control even if one communication path fails.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStreamlined Maintenance\u003c\/strong\u003e\u003cbr\u003eThe rack-mountable design allows easy access for inspection, wiring checks, and replacement, reducing maintenance time and improving service efficiency.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the ARM55W support both AC and DC loads?\u003c\/strong\u003e\u003cbr\u003eYes, it supports both AC and DC loads within specified limits. Always confirm current ratings for your specific voltage to avoid contact wear or damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between ARM55W and ARM55D?\u003c\/strong\u003e\u003cbr\u003eThe ARM55W typically differs in cable interface design and contact configuration, often integrating with dedicated terminal boards via pre-assembled cables.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace an ARM55W module while the system is live?\u003c\/strong\u003e\u003cbr\u003eWhile CENTUM VP supports hot-swapping of I\/O modules, removing the ARM55W board will interrupt all 32 outputs. Replacement is recommended during planned shutdowns.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I troubleshoot a single failed channel?\u003c\/strong\u003e\u003cbr\u003ePerform a continuity test across the output terminals while issuing an ON command. This verifies whether the relay is mechanically operating as expected.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":52012403917112,"sku":"ARM55W","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/ARM55W-0002.jpg?v=1772243926","url":"https:\/\/www.automodulexpert.com\/products\/arm55w-yokogawa-relay-output-board","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}