{"product_id":"relay-board-yokogawa-arm15a-000-s1","title":"Relay Board Yokogawa ARM15A-000 S1","description":"\u003cp\u003eConfigured for signal interfacing in CENTUM VP control network, the \u003cstrong\u003eYokogawa ARM15A-000 S1\u003c\/strong\u003e (\u003cstrong\u003eARM15A\u003c\/strong\u003e Relay Board) provides direct physical electrical execution. The module serves as a high-density transition interface, facilitating the connection of up to 32 dry contact field devices to the DCS input architecture.\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\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 S1\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e19-inch rack, 3U height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax. 0.32 A (Internal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Capacity\u003c\/td\u003e\n\u003ctd\u003e32 dry contact points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Threshold\u003c\/td\u003e\n\u003ctd\u003eON: ≤150 Ohm; OFF: ≥200 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e≥10 MOhm at 500 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e1.5 kV (terminals to case)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Signal Conditioning\u003c\/h3\u003e\n\u003cp\u003eThe ARM15A-000 S1 unit employs robust channel-to-channel isolation to prevent electrical interference from field-side switching transients. By utilizing dry contact inputs, the board maintains signal integrity while ensuring that external device states are accurately reflected in the DCS logic. The module architecture is specifically optimized for 4-20 mA HART loop protocol compatibility within the cabinet environment, ensuring that the interface does not introduce common-mode noise into high-precision analog loop measurements.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the ARM15A-000 S1 be hot-swapped while the DCS is in operation?\u003c\/p\u003e\n\u003cp\u003eA: No, this module does not support hot-swapping. All field-side power and internal 24 V DC power supplies must be de-energized prior to module removal or insertion to prevent terminal damage or backplane surges.\u003c\/p\u003e\n\u003cp\u003eQ: Are the input channels individually isolated from each other?\u003c\/p\u003e\n\u003cp\u003eA: The board provides robust electrical isolation between field terminals and the system case, but users should consult the system wiring diagram to verify the commoning structure of the 32 input points.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the 3U module within a standard 19-inch rack, ensuring the chassis frame is securely bonded to the cabinet protective earth (PE) bus.\u003c\/li\u003e\n\u003cli\u003eTerminate field wiring using M4 spade or ring lugs; ensure proper torque application to prevent contact resistance variations.\u003c\/li\u003e\n\u003cli\u003eVerify that the external 24 V DC power supply is regulated and filtered; excessive ripple may induce input signal instability.\u003c\/li\u003e\n\u003cli\u003eSeparate signal cabling from high-voltage AC power lines within the cable ducts to mitigate electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eMaintain a relative humidity between 10% and 90% non-condensing; use internal cabinet heaters if the installation environment approaches dew point conditions.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49208231821564,"sku":"ARM15A-000 S1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/ARM15A-000_S12.jpg?v=1781761274","url":"https:\/\/www.electronicplc.com\/products\/relay-board-yokogawa-arm15a-000-s1","provider":"Electronic PLC","version":"1.0","type":"link"}