{"product_id":"siemens-6es5497-4ub42-simatic-s5-plc-cpu-module","title":"Siemens 6ES5497-4UB42 Simatic S5 PLC CPU Module","description":"\u003cdiv\u003e\u003cp\u003eSiemens 6ES5497-4UB42 is a double-wide front connector for the SIMATIC S5 family, designed to mate with the 497 front interface and accept 20-pin screw-terminal wiring. The module occupies two slots in a backplane, providing the front-end connection between S5 CPUs and field wiring. Specifically described as a front connector for SIMATIC S5 systems, it is associated with S5-135U and S5-155U CPU modules, making it a critical accessory for legacy automation racks that rely on screw-terminal I\/O connections. Cataloged by Siemens and distributors as the 6ES5497-4UB42 front connector, this part enables reliable front-end wiring for I\/O signals in older S5 installations. Applications include retrofitting or maintaining legacy SIMATIC S5 controllers where a robust front-end connection via 20-pin terminal blocks is required, interfacing a compatible S5 CPU with the appropriate screw-terminal assemblies. This front connector, rather than a CPU, plays a key role in enabling continued operation of aging S5 hardware within plants that require durable, screw-terminal field wiring.\u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":46268514762986,"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-018.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-6es5497-4ub42-simatic-s5-plc-cpu-module","provider":"GTG Hardware","version":"1.0","type":"link"}