{"product_id":"6es7421-7bh01-0ab0-isolated-16-di-24v-dc-module-siemens","title":"6ES7421-7BH01-0AB0 Isolated 16 DI 24V DC Module Siemens","description":"\u003ch2\u003e\u003cstrong\u003e6ES7421-7BH01-0AB0 SIMATIC S7-400 Digital Input SM 421\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Model:\u003c\/strong\u003e Siemens SIMATIC S7-400, \u003cstrong\u003e6ES7421-7BH01-0AB0\u003c\/strong\u003e (SM 421).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 16 digital inputs, isolated in groups of 8.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e Rated 24 V DC (20.4 V to 28.8 V).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal \"0\" Range:\u003c\/strong\u003e -30 V DC to +5 V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal \"1\" Range:\u003c\/strong\u003e 11 V DC to 30 V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current (Signal \"1\"):\u003c\/strong\u003e Typ. 6 mA (6 to 8 mA).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Delay:\u003c\/strong\u003e Parameterizable from 0.05 ms to 3 ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Loss:\u003c\/strong\u003e Typ. 5 W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Current:\u003c\/strong\u003e Max. 130 mA at 5 V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Voltage L+ Current:\u003c\/strong\u003e Max. 120 mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEncoder Supply Outputs:\u003c\/strong\u003e 2 outputs, 120 mA rated, short-circuit protected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e Shielded up to 1000 m, unshielded up to 600 m.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Wire Sensor Support:\u003c\/strong\u003e Yes, max quiescent current 3 mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e Yes, parameterizable with diagnostic and hardware interrupts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire-Break Monitoring:\u003c\/strong\u003e Yes (I \u0026lt; 1 mA).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e Between channels (groups of 8) and backplane bus. Tested at 500 V DC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Wiring Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cstrong\u003e6ES7421-7BH01-0AB0\u003c\/strong\u003e module on a standard S7-400 rack.\u003c\/li\u003e\n\u003cli\u003eConnect the backplane bus via the 5 V DC supply (max 130 mA).\u003c\/li\u003e\n\u003cli\u003eWire inputs using shielded cables for runs up to 1000 m.\u003c\/li\u003e\n\u003cli\u003eUse unshielded cables only for distances up to 600 m.\u003c\/li\u003e\n\u003cli\u003eObserve the reverse polarity protection for the load voltage.\u003c\/li\u003e\n\u003cli\u003eGroup isolation: each group of 8 channels is isolated from others.\u003c\/li\u003e\n\u003cli\u003eEnsure the input voltage stays within the specified \"0\" and \"1\" ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne SIMATIC S7-400 \u003cstrong\u003e6ES7421-7BH01-0AB0\u003c\/strong\u003e digital input module.\u003c\/li\u003e\n\u003cli\u003eFront connector (screw-type, included).\u003c\/li\u003e\n\u003cli\u003eLabeling strips and coding elements.\u003c\/li\u003e\n\u003cli\u003eUser manual (digital download).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping \u0026amp; Logistics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShipping carriers: FedEx, UPS, DHL.\u003c\/li\u003e\n\u003cli\u003eWe ship within 5 business days after order confirmation.\u003c\/li\u003e\n\u003cli\u003eAll items are brand new and original Siemens products.\u003c\/li\u003e\n\u003cli\u003eWe maintain stock for fast dispatch.\u003c\/li\u003e\n\u003cli\u003e30-day return policy applies (terms and conditions).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the minimum input delay for this module?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003e6ES7421-7BH01-0AB0\u003c\/strong\u003e supports a minimum delay of 0.05 ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I parameterize the input delay?\u003c\/strong\u003e\u003cbr\u003eA: Yes, you can set the delay to 0.05, 0.1, 0.5, or 3 ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does this module support diagnostic alarms?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it provides parameterizable diagnostic and hardware interrupts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use 2-wire sensors with this module?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it supports 2-wire sensors with max 3 mA quiescent current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Are all channels isolated from each other?\u003c\/strong\u003e\u003cbr\u003eA: Isolation is in groups of 8 channels; groups are isolated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do you have these in stock?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we have \u003cstrong\u003e6ES7421-7BH01-0AB0\u003c\/strong\u003e modules in stock ready to ship.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContact Information:\u003c\/strong\u003e For inquiries, please email \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e or call \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e (WhatsApp).\u003c\/p\u003e\n\u003cp\u003ePartner: \u003ca href=\"https:\/\/www.nex-auto.com\/\" target=\"_blank\"\u003eNexAuto Technology Limited\u003c\/a\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46947184214177,"sku":"https:\/\/www.kdocs.cn\/l\/cqTGLUP3R6Gk","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/6ES7421-7BH01-0AB0.jpg?v=1788161290","url":"https:\/\/www.autonexcontrol.com\/products\/6es7421-7bh01-0ab0-isolated-16-di-24v-dc-module-siemens","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}