{"product_id":"yokogawa-electric-corporation-st5a-printed-circuit-board","title":"Yokogawa Electric Corporation ST5A Printed Circuit Board","description":"\u003cdiv\u003e\u003cp\u003eThe Yokogawa ST5A Printed Circuit Board is a rack-mounted PLC\/DCS circuit module used inside Yokogawa control systems to perform internal processing and signal interface duties, with its exact role determined by configuration and capable of handling either control logic execution or system communication as required. In industrial automation environments it plugs into control racks within Yokogawa PLC\/DCS architectures to support essential control processing and signal handling tasks, and it is commonly deployed in manufacturing, chemical processing, and process control applications where reliable, continuous operation is critical. Key specifications include manufacturer Yokogawa, model ST5A (ST5*A), and construction as a printed circuit board assembly that installs rack-mounted within a control system chassis, weighing approximately 1.75 pounds. The ST5A is typically used as a replacement or spare component in legacy Yokogawa systems, with common related boards including Yokogawa AS-S9221AQ-0 and S9771AJ-0 variants, and there is no direct modern replacement available. As a legacy system component, it is commonly sold as surplus or used module, reflecting its role in older Yokogawa control configurations rather than current-generation platforms.\u003c\/p\u003e\u003c\/div\u003e","brand":"Yokogawa","offers":[{"title":"New","offer_id":46241942601962,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-001.png?v=1788727428","url":"https:\/\/gtghardware.com\/products\/yokogawa-electric-corporation-st5a-printed-circuit-board","provider":"GTG Hardware","version":"1.0","type":"link"}