{"product_id":"yokogawa-arm15a-000-relay-terminal-boards","title":"Yokogawa ARM15A-000 Relay Terminal Boards","description":"\u003cp\u003eConfigured for high-density discrete signal routing within industrial monitoring networks, the \u003cstrong\u003eYokogawa ARM15A-000\u003c\/strong\u003e (\u003cstrong\u003eARM15A\u003c\/strong\u003e Relay Board) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eARM15A:\u003c\/strong\u003e Base model designation representing 32 dry contact inputs equipped with M4 screw terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-0:\u003c\/strong\u003e Always fixed at 0 as per baseline factory revision parameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0:\u003c\/strong\u003e Designates a 19-inch rack-mountable physical configuration (3U height).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0:\u003c\/strong\u003e Indicates the basic hardware version.\u003c\/li\u003e\n\u003c\/ul\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\u003eARM15A-000\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\u003e2.2 kg (Main unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e3.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e48.26 cm x 13.25 cm (Standard 19-inch rack mountable, 3U)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial operating range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive field-loop contact topology\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channel Density\u003c\/td\u003e\n\u003ctd\u003e32 dry contact inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Terminals\u003c\/td\u003e\n\u003ctd\u003eM4 screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eEIA standard 19-inch rack mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Execution\u003c\/td\u003e\n\u003ctd\u003eSingle or dual-redundant mechanical relay interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Instrumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation:\u003c\/strong\u003e The layout features electrical separation barriers across all 32 dry contact input circuits, preventing field-side electrical surges or ground loops from transferring to the core DCS input modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Redundant Configuration Pathing:\u003c\/strong\u003e Circuit board traces support both single-terminal processing and dual-redundant multi-cable branching, allowing critical mechanical contact monitoring to continue even during single-link signal disruptions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the installation advantages of the integrated M4 screw terminals?\u003c\/p\u003e\n\u003cp\u003eA: The physical M4 terminals offer high-vibration resistance and secure surface-area contact for industrial ring and spade wire lugs. This ensures terminal connections do not back out or introduce signal resistance over time.\u003c\/p\u003e\n\u003cp\u003eQ: How does this relay board behave during input power disruptions?\u003c\/p\u003e\n\u003cp\u003eA: Because the ARM15A-000 is built as a dry contact passive input termination board, it does not contain onboard active power supplies. Field signal status is registered directly by the digital inputs of the connected control system, providing a fail-safe mechanical interface.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e19-Inch Cabinet Rail Fastening:\u003c\/strong\u003e Secure the 3U chassis panel to the standard 19-inch rack rail using four structural screws and lock washers. Ensure the assembly is level to prevent mechanical stress across the terminal strips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Cable Routing and Separation:\u003c\/strong\u003e Route all field-contact wire bundles away from heavy AC power distribution lines inside the cabinet. Use integrated strain relief bars to prevent terminal block screw fatigue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry Contact Loop Resistance Testing:\u003c\/strong\u003e Prior to system commissioning, verify that total loop resistance across each field switch contact path remains within the limits defined by the upstream DCS input card specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45256559526003,"sku":"ARM15A-000","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-16_10-05-04_000dda69-ff1c-4942-8299-3b92a74cb31d.png?v=1784258792","url":"https:\/\/www.dcssupplier.com\/ar\/products\/yokogawa-arm15a-000-relay-terminal-boards","provider":"DcsSupplier Limited","version":"1.0","type":"link"}