{"product_id":"bc-144404","title":"Siemens SIMATIC S7-400 SM 421 Digital Input Module - 6ES74217DH000AB0","description":"\u003cp\u003eThe Siemens 6ES7421-7DH00-0AB0 is a digital input module for the SIMATIC S7-400 automation system. It reads isolated on\/off signals from field devices and provides diagnostic information to the controller.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePrimary Applications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing Lines:\u003c\/strong\u003e Monitors limit switches and proximity sensors on conveyor systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Control:\u003c\/strong\u003e Reads status signals from valves and pumps in water treatment plants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine Building:\u003c\/strong\u003e Detects position feedback from encoders and safety interlocks in packaging machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Product Details \u0026amp; Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Family:\u003c\/strong\u003e Siemens SIMATIC S7-400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescription:\u003c\/strong\u003e Digital Input Module SM 421\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs \/ Outputs:\u003c\/strong\u003e 16 digital inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 24 - 60 V UC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 8 W typ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Backplane bus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.98 in x 11.42 in x 8.27 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e approx. 21.16 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current:\u003c\/strong\u003e 5 V DC, max. 150 mA (from backplane bus)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superior Lighting","offers":[{"title":"Default Title","offer_id":45220074586312,"sku":"6ES74217DH000AB0-Siemens","price":1091.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/3726\/3048\/files\/G_ST70_XX_98119I__39873.1792669678.1280.1280.jpg?v=1794066012","url":"https:\/\/plumlighting.com\/products\/bc-144404","provider":"Superior Lighting","version":"1.0","type":"link"}