{"product_id":"industrial-sea-m4012-io-expansion-module-card","title":"Industrial SEA M4012 IO Expansion Module Card","description":"\u003cdiv\u003e\u003cp\u003eSEA M4012 IO Expansion Module Card is a 24-input, 24-output digital I\/O expansion for SeaI\/O base controllers in the M-Series family. It communicates with the host via RS-485 Modbus RTU and is designed to extend I\/O capacity in industrial automation networks. In typical SeaI\/O configurations, a base unit can support a large number of expansion modules (up to 246) connected through RS-485 interconnects, with local power provided by the base for nearby modules and remote expansions requiring separate power. The M4012 functions as a PLC-style expansion that adds substantial digital I\/O points for sensing and control tasks, making it suitable for machine automation, process monitoring, and distributed I\/O applications within SeaI\/O ecosystems. \u003c\/p\u003e\u003c\/div\u003e","brand":"SEA","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":46283525947626,"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-020.png?v=1788727428","url":"https:\/\/gtghardware.com\/products\/industrial-sea-m4012-io-expansion-module-card","provider":"GTG Hardware","version":"1.0","type":"link"}