{"product_id":"mechanical-relay-contact-output-module-yokogawa-sarm55c","title":"Mechanical Relay Contact Output Module | Yokogawa SARM55C","description":"\u003ch2\u003eYokogawa SARM55C Mechanical Relay Contact Output Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for mechanical relay dry contact actuation in CENTUM VP\/CS 3000 FIO subsystems, the \u003cstrong\u003eYokogawa SARM55C\u003c\/strong\u003e (\u003cstrong\u003eARMS5C\u003c\/strong\u003e Mechanical Relay Contact Output Module) provides direct electrical execution of up to 32 relay output points to field devices with selectable NO or NC contacts.\u003c\/p\u003e\n\u003cp\u003eThe module converts low-voltage 24 VDC internal signals into switched outputs capable of handling AC and DC loads. Dual-redundant wiring schemes are supported per 16-point segment, ensuring isolated channel operation and minimal cross-coupling. Relay contacts meet defined ON\/OFF load ratings while maintaining insulation resistance above 10 MΩ and withstand voltage up to 2 kV AC between field terminals and chassis.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eSARM55C \/ ARMS5C refers to a fixed mechanical relay output board designation within Yokogawa FIO hardware. No additional suffix variants are defined in the provided dataset.\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\u003eYokogawa SARM55C\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 x 132.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e0 degC to 50 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC, max 0.65 A internal circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e32-point mechanical relay contact output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Configuration\u003c\/td\u003e\n\u003ctd\u003eNO\/NC selectable per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load\u003c\/td\u003e\n\u003ctd\u003e250 VAC @ 2 A, 30 VDC @ 2 A, 125 VDC @ 0.1 A per point\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\u003e\u0026gt;= 10 MΩ at 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e2 kV AC (field terminals to case), 500 V AC (power terminals to case), 2 kV AC (field to power terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch2\u003eYokogawa Process Output Channel Architecture\u003c\/h2\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Redundant Output Domains\u003c\/h3\u003e\n\u003cp\u003eThe SARM55C implements electrical segregation per 16-point output group to reduce interference between adjacent relay channels. Mechanical relay contacts are designed to maintain isolation between control signals and high-voltage switched loads, while dual-line redundant output segments allow for safe sequential activation without channel-to-channel cross-talk.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can SARM55C relay outputs switch both AC and DC loads simultaneously?\u003cbr\u003eA: Each channel is rated individually; AC and DC loads can be handled but simultaneous connection of multiple voltage types to the same contact is not recommended. Refer to maximum load ratings per channel.\u003c\/p\u003e\n\u003cp\u003eQ: Is the module suitable for hot-swap insertion in the backplane?\u003cbr\u003eA: Hot-swapping is not supported under live field conditions. De-energize both 24 VDC field and internal power before module removal to prevent contact arcing.\u003c\/p\u003e\n\u003cp\u003eQ: How is output contact polarity managed for NO\/NC selection?\u003cbr\u003eA: Each output point provides mechanical selection of normally open or normally closed operation via internal relay configuration, without external wiring changes.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure all 24 VDC field and internal power supplies are de-energized before connecting M4 terminal screws.\u003c\/li\u003e\n\u003cli\u003eRoute field cables separately from power distribution lines to avoid inductive coupling.\u003c\/li\u003e\n\u003cli\u003eVerify insulation resistance of 10 MΩ minimum at 500 VDC prior to commissioning.\u003c\/li\u003e\n\u003cli\u003eTighten terminals according to industrial torque standards to prevent loose connections and intermittent switching.\u003c\/li\u003e\n\u003cli\u003eMount on standard 19-inch rack with proper grounding of chassis to maintain EMC compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44214277177432,"sku":"SARM55C","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/SARM55C-3.jpg?v=1781060597","url":"https:\/\/www.industriaxplc.com\/products\/mechanical-relay-contact-output-module-yokogawa-sarm55c","provider":"IndustriaX Limited","version":"1.0","type":"link"}