{"product_id":"siemens-6es5436-4ua11-programmable-logic-controller-module","title":"Siemens 6ES5436-4UA11 Programmable Logic Controller Module","description":"\u003cdiv\u003e\u003cp\u003eSiemens 6ES5436-4UA11 is a SIMATIC S5 digital input module that provides 16 AC inputs for the S5-135U\/-155U\/H PLCs, part of the SIMATIC S5 436 family. The compact Version U module groups inputs into two banks of eight and is rated for 115\/230 V AC. It uses floating inputs, allowing field devices such as sensors and switches to be read by the S5 controller without a shared reference. Designed to slot into an S5 I\/O rack, the 6ES5436-4UA11 increases digital input capacity in legacy Siemens automation systems. In practice, technicians deploy this module to monitor status signals across machinery, packaging lines, and other process-control equipment that still relies on S5-era hardware. This 16-input module is a staple for upgrades or maintenance of older Siemens installations that require higher input density without migrating to a newer CPU family. Users rely on it where a straightforward, high-density digital input solution is needed for legacy Siemens control systems, enabling continuity of automation without replacing existing CPUs or wiring schemes.\u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"New Surplus No Box","offer_id":46268506996970,"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-6es5436-4ua11-programmable-logic-controller-module","provider":"GTG Hardware","version":"1.0","type":"link"}