{"product_id":"siemens-6es7421-5eh00-0aa0-sm-421-optically-isolated","title":"Siemens 6ES7421-5EH00-0AA0 SM 421 Optically Isolated","description":"\u003ch2 style=\"color:#1a1a1a;\"\u003eSiemens 6ES7421-5EH00-0AA0 SIMATIC S7-400 SM 421 Digital Input Module\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom:20px;\"\u003e\u003cstrong style=\"color:#0066b3;\"\u003eSiemens 6ES7421-5EH00-0AA0\u003c\/strong\u003e is a SIMATIC S7-400 SM 421 digital input module with 16 AC 120V inputs. Features 1 common point, optical isolation, and input characteristic curve according to IEC 61131 Type 2.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0066b3; margin-top:20px;\"\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin-bottom:20px; font-size:14px;\"\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eArticle No.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e6ES7421-5EH00-0AA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eDigital Input Module SM 421\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eRated Input Voltage\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eAC 120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eInput Characteristic\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eIEC 61131, Type 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNumber of Groups\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eChannels to backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eApproximately 650 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color:#0066b3; margin-top:20px;\"\u003eInput Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin-bottom:20px; font-size:14px;\"\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eSignal \"1\" Voltage\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e72 to 132 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eSignal \"0\" Voltage\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e0 to 20 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eFrequency Range\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e47 to 63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eInput Current (Signal \"1\")\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e6 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eInput Current (Signal \"0\")\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e0 to 4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eInput Delay (0 to 1)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e2 to 15 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eInput Delay (1 to 0)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e5 to 25 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color:#0066b3; margin-top:20px;\"\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin-bottom:20px; font-size:14px;\"\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eBackplane Bus Current (5V)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eApproximately 100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003ePower Loss\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eTypically 3.0 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eInsulation Test Voltage\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e1500 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003ePotential Difference (M internal to inputs)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCable Length (Unshielded)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e600 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCable Length (Shielded)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e1000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color:#0066b3; margin-top:20px;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"margin-bottom:20px;\"\u003e\n\u003cli\u003e16 inputs with galvanic isolation\u003c\/li\u003e\n\u003cli\u003eSuitable for switches and 2-wire proximity switches (BERO, IEC 61131; Type 2)\u003c\/li\u003e\n\u003cli\u003eStatus LED per channel\u003c\/li\u003e\n\u003cli\u003eNo interrupts or diagnostics functions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#0066b3; margin-top:20px;\"\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: How many inputs does the 6ES7421-5EH00-0AA0 have?\u003c\/strong\u003e\u003cbr\u003eA1: 16 digital inputs with 1 common point.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What is the rated input voltage?\u003c\/strong\u003e\u003cbr\u003eA2: AC 120V with a frequency range of 47 to 63 Hz.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What is the input characteristic type?\u003c\/strong\u003e\u003cbr\u003eA3: IEC 61131, Type 2, suitable for 2-wire proximity switches.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67854149288068,"sku":"6ES7421-5EH00-0AA0","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/6ES7421-5EH00-0AA0.jpg?v=1793533147","url":"https:\/\/www.etowonauto.com\/ha\/products\/siemens-6es7421-5eh00-0aa0-sm-421-optically-isolated","provider":"Etowon Auto","version":"1.0","type":"link"}