{"product_id":"yokogawa-st7-a-multipoint-status-output-card","title":"Yokogawa ST7*A Multipoint Status Output Card","description":"\u003cp\u003eConfigured for multi-channel discrete state switching in CENTUM systems, the \u003cstrong\u003eYokogawa ST7*A\u003c\/strong\u003e (\u003cstrong\u003eST7\u003c\/strong\u003e Multipoint Status Output Card) provides direct physical\/electrical execution.\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\u003eST7*A\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\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eMultipoint Status Output Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003eMultiple Relay Output Points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Contact Type\u003c\/td\u003e\n\u003ctd\u003eForm-C, Normally Open (N.O.), Normally Closed (N.C.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 V DC +\/-10% (Card Logic); 85 to 132 V AC \/ 170 to 264 V AC (Nest Dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Form\u003c\/td\u003e\n\u003ctd\u003eHorizontal or Vertical Mounting Nests (e.g., RYH-32, RYV-11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Connection\u003c\/td\u003e\n\u003ctd\u003eBlock Connector Cable to DCS Backplane\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; Loop Protocol Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe ST7*A relay output card utilizes galvanic relay isolation barriers between control logic circuits and field actuator wiring. Channel-to-channel isolation prevents electrical transients, back-EMF spikes, and common-mode noise from propagating from high-voltage field loads back into sensitive controller backplane buses. This isolated contact interface enables parallel operation alongside 4-20 mA HART loop protocol instruments within the same rack infrastructure.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What contact configurations are supported across the output channels of the ST7*A?\u003c\/p\u003e\n\u003cp\u003eA: The channel relays provide potential-free dry contact configurations including Form-C, Normally Open (N.O.), and Normally Closed (N.C.) arrangements.\u003c\/p\u003e\n\u003cp\u003eQ: How does the power supply specification vary depending on cabinet mechanical hardware?\u003c\/p\u003e\n\u003cp\u003eA: Internal logic runs on 24 V DC +\/-10%, while field relay coils and nest electronics receive line power (85-132 V AC or 170-264 V AC) based on the targeted mounting nest model (e.g., RYH-32 or RYV-11).\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eSlot the ST7*A card vertically or horizontally into the selected RYH-32 or RYV-11 mounting nest until the rear connector seats into the backplane socket. Connect the block connector interface cable to establish digital communication with the DCS rack. Ensure inductive loads (such as magnetic solenoid valves or motor starter coils) are fitted with external RC snubber networks or flyback diodes across field terminals to prevent contact arc degradation.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53317209096501,"sku":"ST7*A","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/ST7A.png?v=1787044679","url":"https:\/\/www.5gplc.com\/products\/yokogawa-st7-a-multipoint-status-output-card","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}