{"product_id":"siemens-6es7321-1fh00-0aa0-s7-300-digital-input-module","title":"Siemens 6ES7321-1FH00-0AA0","description":"\u003ch2 data-section-id=\"973bxd\" data-start=\"403\" data-end=\"480\"\u003e\u003cstrong data-start=\"406\" data-end=\"480\"\u003eSiemens 6ES7321-1FH00-0AA0 \u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1dl56dh\" data-start=\"482\" data-end=\"500\"\u003e\u003cstrong data-start=\"486\" data-end=\"498\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"501\" data-end=\"852\"\u003eThe Siemens 6ES7321-1FH00-0AA0 is a \u003cstrong data-start=\"537\" data-end=\"584\"\u003eSIMATIC S7-300 digital input module (SM321)\u003c\/strong\u003e designed for reliable signal acquisition in industrial automation systems. It features 16 optically isolated digital inputs operating at 120\/230 V AC, ensuring safe operation and strong noise immunity in demanding environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1hx1w1i\" data-start=\"854\" data-end=\"876\"\u003e\u003cstrong data-start=\"858\" data-end=\"874\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"877\" data-end=\"1112\"\u003e\n\u003cli data-section-id=\"15mcvue\" data-start=\"877\" data-end=\"918\"\u003e\n\u003cp data-start=\"879\" data-end=\"918\"\u003eSM321 digital input module for S7-300\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10jwbjv\" data-start=\"919\" data-end=\"945\"\u003e\n\u003cp data-start=\"921\" data-end=\"945\"\u003e16 digital inputs (DI)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y0xu0o\" data-start=\"946\" data-end=\"977\"\u003e\n\u003cp data-start=\"948\" data-end=\"977\"\u003eInput voltage: 120\/230 V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2j0c8j\" data-start=\"978\" data-end=\"1024\"\u003e\n\u003cp data-start=\"980\" data-end=\"1024\"\u003eOptically isolated channels for protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ygu2d0\" data-start=\"1025\" data-end=\"1052\"\u003e\n\u003cp data-start=\"1027\" data-end=\"1052\"\u003e20-pole front connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g90xd0\" data-start=\"1053\" data-end=\"1085\"\u003e\n\u003cp data-start=\"1055\" data-end=\"1085\"\u003eReliable AC signal detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17v2ak6\" data-start=\"1086\" data-end=\"1112\"\u003e\n\u003cp data-start=\"1088\" data-end=\"1112\"\u003eCompact modular design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1880me3\" data-start=\"1114\" data-end=\"1148\"\u003e\u003cstrong data-start=\"1118\" data-end=\"1146\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1149\" data-end=\"1576\"\u003e\n\u003cli data-section-id=\"kii1oq\" data-start=\"1149\" data-end=\"1189\"\u003e\n\u003cp data-start=\"1151\" data-end=\"1189\"\u003e\u003cstrong data-start=\"1151\" data-end=\"1168\"\u003eSiemens Code:\u003c\/strong\u003e 6ES7321-1FH00-0AA0\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nq3xum\" data-start=\"1190\" data-end=\"1227\"\u003e\n\u003cp data-start=\"1192\" data-end=\"1227\"\u003e\u003cstrong data-start=\"1192\" data-end=\"1203\"\u003eSeries:\u003c\/strong\u003e SIMATIC S7-300, SM321\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t4ken1\" data-start=\"1228\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1230\" data-end=\"1256\"\u003e\u003cstrong data-start=\"1230\" data-end=\"1251\"\u003eNumber of Inputs:\u003c\/strong\u003e 16\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mmafya\" data-start=\"1257\" data-end=\"1289\"\u003e\n\u003cp data-start=\"1259\" data-end=\"1289\"\u003e\u003cstrong data-start=\"1259\" data-end=\"1274\"\u003eInput Type:\u003c\/strong\u003e Digital (AC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3i2paw\" data-start=\"1290\" data-end=\"1325\"\u003e\n\u003cp data-start=\"1292\" data-end=\"1325\"\u003e\u003cstrong data-start=\"1292\" data-end=\"1310\"\u003eInput Voltage:\u003c\/strong\u003e 120\/230 V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tw3cba\" data-start=\"1326\" data-end=\"1353\"\u003e\n\u003cp data-start=\"1328\" data-end=\"1353\"\u003e\u003cstrong data-start=\"1328\" data-end=\"1342\"\u003eFrequency:\u003c\/strong\u003e 47–63 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rslg11\" data-start=\"1354\" data-end=\"1387\"\u003e\n\u003cp data-start=\"1356\" data-end=\"1387\"\u003e\u003cstrong data-start=\"1356\" data-end=\"1378\"\u003ePower Consumption:\u003c\/strong\u003e ~4.9 W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hmu41f\" data-start=\"1388\" data-end=\"1424\"\u003e\n\u003cp data-start=\"1390\" data-end=\"1424\"\u003e\u003cstrong data-start=\"1390\" data-end=\"1405\"\u003eBus System:\u003c\/strong\u003e S7-300 backplane\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bweoe1\" data-start=\"1425\" data-end=\"1467\"\u003e\n\u003cp data-start=\"1427\" data-end=\"1467\"\u003e\u003cstrong data-start=\"1427\" data-end=\"1442\"\u003eConnection:\u003c\/strong\u003e 20-pin front connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18a20oa\" data-start=\"1468\" data-end=\"1499\"\u003e\n\u003cp data-start=\"1470\" data-end=\"1499\"\u003e\u003cstrong data-start=\"1470\" data-end=\"1492\"\u003eProtection Rating:\u003c\/strong\u003e IP20\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdegma\" data-start=\"1500\" data-end=\"1545\"\u003e\n\u003cp data-start=\"1502\" data-end=\"1545\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1528\"\u003eOperating Temperature:\u003c\/strong\u003e 0 °C to +60 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1201ufh\" data-start=\"1546\" data-end=\"1576\"\u003e\n\u003cp data-start=\"1548\" data-end=\"1576\"\u003e\u003cstrong data-start=\"1548\" data-end=\"1567\"\u003eCertifications:\u003c\/strong\u003e CE, UL\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xdxar3\" data-start=\"1578\" data-end=\"1600\"\u003e\u003cstrong data-start=\"1582\" data-end=\"1598\"\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1601\" data-end=\"1762\"\u003e\n\u003cli data-section-id=\"idd3lt\" data-start=\"1601\" data-end=\"1634\"\u003e\n\u003cp data-start=\"1603\" data-end=\"1634\"\u003eIndustrial automation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2j2h3c\" data-start=\"1635\" data-end=\"1661\"\u003e\n\u003cp data-start=\"1637\" data-end=\"1661\"\u003eMachine control panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17j27ln\" data-start=\"1662\" data-end=\"1684\"\u003e\n\u003cp data-start=\"1664\" data-end=\"1684\"\u003eProcess automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4qiktj\" data-start=\"1685\" data-end=\"1723\"\u003e\n\u003cp data-start=\"1687\" data-end=\"1723\"\u003eSignal acquisition from AC devices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bscysa\" data-start=\"1724\" data-end=\"1762\"\u003e\n\u003cp data-start=\"1726\" data-end=\"1762\"\u003eManufacturing and production lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1kark4w\" data-start=\"1764\" data-end=\"1812\"\u003e\u003cstrong data-start=\"1768\" data-end=\"1810\"\u003eWhy Choose Siemens 6ES7321-1FH00-0AA0?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1813\" data-end=\"1980\"\u003e\n\u003cli data-section-id=\"b3tcwm\" data-start=\"1813\" data-end=\"1852\"\u003e\n\u003cp data-start=\"1815\" data-end=\"1852\"\u003eReliable AC input signal processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ege4bw\" data-start=\"1853\" data-end=\"1893\"\u003e\n\u003cp data-start=\"1855\" data-end=\"1893\"\u003eHigh electrical isolation for safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"51we18\" data-start=\"1894\" data-end=\"1938\"\u003e\n\u003cp data-start=\"1896\" data-end=\"1938\"\u003eSeamless integration with S7-300 systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nlbxia\" data-start=\"1939\" data-end=\"1980\"\u003e\n\u003cp data-start=\"1941\" data-end=\"1980\"\u003eProven Siemens industrial reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"9pqy2m\" data-start=\"1982\" data-end=\"2001\"\u003e\u003cstrong data-start=\"1986\" data-end=\"1999\"\u003eOrder Now\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2002\" data-end=\"2133\"\u003eUpgrade your automation system with the Siemens 6ES7321-1FH00-0AA0 — precise, reliable, and built for industrial signal processing.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":44246352756871,"sku":"6ES7321-1FH00-0AA0","price":206.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/8632\/3847\/files\/6ES7321-1FH00-0AA0.webp?v=1774319067","url":"https:\/\/plcpartssolution.com\/es\/products\/siemens-6es7321-1fh00-0aa0-s7-300-digital-input-module","provider":"PLCPARTS SOLUTION","version":"1.0","type":"link"}