{"product_id":"mechanical-relay-output-board-yokogawa-arm55c-000","title":"Mechanical Relay Output Board | Yokogawa ARM55C-000","description":"\u003ch2\u003eYokogawa ARM55C-000 Mechanical Relay Output Board\u003c\/h2\u003e\n\u003cp\u003eConfigured for dry-contact relay output switching in CENTUM VP and CENTUM CS 3000 FIO subsystems, the \u003cstrong\u003eYokogawa ARM55C-000\u003c\/strong\u003e (\u003cstrong\u003eARM55C\u003c\/strong\u003e Mechanical Relay Output Board) provides direct physical and electrical execution of field load control through isolated mechanical relay contacts.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eARM55C\u003c\/td\u003e\n\u003ctd\u003eMechanical Relay Output Board, 32-point dry contact type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-0\u003c\/td\u003e\n\u003ctd\u003eBasic specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e19-inch rack-mountable configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eBasic type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eYokogawa ARM55C-000\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\u003eApprox. 2.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e482.6 mm (W) x 132.5 mm (H) x 298.5 mm (D)\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\u003eMax. 0.85 A at 24 VDC (approx. 26 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMechanical Relay Output Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e32 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Logic Signal\u003c\/td\u003e\n\u003ctd\u003e5 VDC, 10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum AC Load\u003c\/td\u003e\n\u003ctd\u003e250 VAC, 2 A per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum DC Load\u003c\/td\u003e\n\u003ctd\u003e30 VDC, 2 A or 125 VDC, 0.1 A per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Load\u003c\/td\u003e\n\u003ctd\u003e5 VDC, 10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e10 MOhm minimum at 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Strength\u003c\/td\u003e\n\u003ctd\u003e2 kVAC field-to-case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e10 % to 90 % RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003e19-inch rack, 3U height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and DCS Output Interface\u003c\/h3\u003e\n\u003cp\u003eThe ARM55C-000 functions as an isolation interface between digital output modules and field-side loads. Mechanical relays provide galvanic separation between control circuitry and output circuits, reducing direct electrical coupling between channels. The board is designed for integration with Yokogawa FIO architectures and can be deployed in single or dual-redundant output arrangements using compatible digital output modules and signal cables.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the ARM55C-000 support hot-swapping during operation?\u003c\/strong\u003e\u003cbr\u003eA: No. Removal or installation should be performed with the associated I\/O circuit de-energized to avoid unintended relay state transitions and wiring faults.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the board be used in redundant output configurations?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The ARM55C-000 supports dual-redundant configurations when installed with the required redundant output modules and associated signal cable assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the board require firmware updates?\u003c\/strong\u003e\u003cbr\u003eA: No. The ARM55C-000 is a hardware relay board and contains no field-upgradable firmware. Firmware management applies to the connected control modules rather than the relay board itself.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the board in a compatible 19-inch rack using the designated mounting hardware.\u003c\/li\u003e\n\u003cli\u003eVerify that field wiring is terminated to the correct M3.5 terminals and power wiring to the designated M4 terminals.\u003c\/li\u003e\n\u003cli\u003eRoute output wiring separately from high-voltage power cables to minimize electromagnetic coupling.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields according to site grounding standards and DCS cabinet grounding practices.\u003c\/li\u003e\n\u003cli\u003eConfirm contact ratings of connected loads before energization to prevent relay contact overstress.\u003c\/li\u003e\n\u003cli\u003eInspect terminal screw tightness during commissioning and scheduled maintenance intervals.\u003c\/li\u003e\n\u003cli\u003ePerform insulation and continuity checks prior to connecting field loads.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44182096117848,"sku":"ARM55C-000","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/ARM55C-000-2.jpg?v=1780541540","url":"https:\/\/www.industriaxplc.com\/products\/mechanical-relay-output-board-yokogawa-arm55c-000","provider":"IndustriaX Limited","version":"1.0","type":"link"}