{"product_id":"arm55c-yokogawa-relay-output-board-new-original-stock","title":"ARM55C Yokogawa Relay Output Board | New \u0026 Original Stock","description":"\u003cp\u003eConfigured for high-density signal switching in distributed control systems, the \u003cstrong\u003eYokogawa ARM55C-000\u003c\/strong\u003e (\u003cstrong\u003eARM55C-000\u003c\/strong\u003e) Mechanical Relay Output Board provides direct physical electrical execution for process control commands.\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\u003eARM55C-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\u003eNot Specified\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\u003eStandard 19-inch rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC (0.85 A max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e32 dry-contact relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe ARM55C-000 utilizes 32 independent mechanical relays to interface between low-voltage control logic and field-level actuators. To ensure signal integrity and protect the control cabinet from field-side electrical faults, the unit provides channel-to-channel isolation and robust dielectric strength (2 kV between field terminals and case). Each channel is user-configurable for Normally Open (NO) or Normally Closed (NC) operation, accommodating diverse logic requirements within the CENTUM VP environment. The board maintains precise signal timing and minimizes contact bounce through high-quality mechanical relay selection.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can these relays handle inductive loads directly without external suppression?\u003c\/p\u003e\n\u003cp\u003eA: It is standard engineering practice to use external flyback diodes for DC inductive loads or RC snubbers for AC loads to prevent back-EMF from damaging the relay contacts over time.\u003c\/p\u003e\n\u003cp\u003eQ: Is the 250 VAC @ 2 A rating absolute for all load types?\u003c\/p\u003e\n\u003cp\u003eA: The 2 A rating is for resistive loads; reactive or highly inductive loads will significantly derate the contact life and maximum current capability, necessitating professional load calculation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSecure the board within the 19-inch rack using M3.5 screws, ensuring the chassis is bonded to the cabinet protective earth (PE) bus to maintain the specified dielectric integrity.\u003c\/li\u003e\n\u003cli\u003eVerify that the control signal (5 VDC) wiring is separated from high-current output wiring to avoid induced noise or transient coupling.\u003c\/li\u003e\n\u003cli\u003eEnsure all field wiring is terminated according to the torque specifications for M3.5 terminals to prevent overheating or loose connections under thermal expansion.\u003c\/li\u003e\n\u003cli\u003ePeriodically verify that the insulation resistance between terminals and the chassis remains above 10 M ohm at 500 VDC to confirm no degradation in board isolation properties.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49203370393852,"sku":"ARM55C","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/ARM55C.jpg?v=1781575129","url":"https:\/\/www.electronicplc.com\/products\/arm55c-yokogawa-relay-output-board-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}