{"product_id":"arm15a-000-yokogawa-relay-boards","title":"ARM15A-000 | Yokogawa | Relay Boards","description":"\u003ch2\u003eYokogawa ARM15A-000 Relay Boards\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa ARM15A-000\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eARM15A\u003c\/strong\u003e Relay Board, operates as a dedicated hardware component for 32-point mechanical dry contact input processing within the CENTUM VP FIO subsystem.\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\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\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eARM15A-000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eYokogawa, Japan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e482.6 mm × 132.5 mm (19-inch Rack, 3U)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC, Max. 0.32 A (internal circuit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsage\u003c\/td\u003e\n\u003ctd\u003eMechanical Relay Contact Input (Single \/ Dual-redundant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Contact Points\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Connection Terminals\u003c\/td\u003e\n\u003ctd\u003eM4 screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible DI Modules\u003c\/td\u003e\n\u003ctd\u003eADV151 (32-point) with ATD5A terminal block, ADV161 (64-point, requires 2 boards)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Signal Cables\u003c\/td\u003e\n\u003ctd\u003eAKB331 (32-point), AKB337 (64-point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Input Signal\u003c\/td\u003e\n\u003ctd\u003eON ≤150 Ohm, OFF ≥200 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Contact Rating\u003c\/td\u003e\n\u003ctd\u003e≥30 VDC, ≥20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Load\u003c\/td\u003e\n\u003ctd\u003e≤21.6 VDC, ≤13 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Device Power Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC per line, Max. 0.3 A per 16 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e≥10 MOhm (500 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003eField terminals to Case: 1.5 kVAC\/1 min24 V terminals to Case: 500 VAC\/1 min24 V terminals to Field: 1.5 kVAC\/1 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards Compliance\u003c\/td\u003e\n\u003ctd\u003eCE, UKCA, KC, RCM (C-Tick)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Features\u003c\/h3\u003e\n\u003cp\u003eThe board provides \u003cstrong\u003echannel-to-channel isolation\u003c\/strong\u003e to prevent signal interference between relay circuits and adjacent I\/O channels. It supports integration with 4-20 mA HART loop protocol and ensures compatibility with FOUNDATION Fieldbus or Profibus PA networks through galvanic isolation of input terminals. Cold junction compensation (CJC) is applied internally to maintain accuracy in fluctuating ambient temperatures.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: VnA: Can the ARM15A-000 be hot-swapped during operation?\u003cbr\u003eA: No. The board requires system power-down before insertion or removal to avoid relay contact misoperation.\u003c\/p\u003e\n\u003cp\u003eQ: VnA: What is the expected switching delay for relay contacts?\u003cbr\u003eA: Mechanical switching delay is typically below 10 ms per channel under rated load.\u003c\/p\u003e\n\u003cp\u003eQ: VnA: Is firmware or software configuration needed for the board?\u003cbr\u003eA: No firmware is required; it functions as a passive mechanical interface. Configuration occurs at the connected DI module or DCS.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the board in a standard 19-inch rack with 3U spacing.\u003c\/li\u003e\n\u003cli\u003eEnsure M4 terminal screws are torqued to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding of shielded signal cables to minimize electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eRoute power lines separately from signal lines to reduce crosstalk.\u003c\/li\u003e\n\u003cli\u003eAllow sufficient airflow around the board to maintain ambient temperature below 50 degC.\u003c\/li\u003e\n\u003cli\u003eUse dual-redundant power supply lines per 16 points to enable fail-safe operation in redundant configurations.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44214069559384,"sku":"ARM15A-000","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/ARM15A-000-2.jpg?v=1781055146","url":"https:\/\/www.industriaxplc.com\/products\/arm15a-000-yokogawa-relay-boards","provider":"IndustriaX Limited","version":"1.0","type":"link"}