{"product_id":"siemens-6es7321-1fh00-0aa0-s7-300-digital-input-module","title":"Siemens 6ES7321-1FH00-0AA0","description":"\u003ch2 data-section-id=\"973bxd\" data-start=\"405\" data-end=\"482\"\u003e\u003cstrong data-start=\"408\" data-end=\"482\"\u003eSiemens 6ES7321-1FH00-0AA0 \u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1dl56dh\" data-start=\"484\" data-end=\"502\"\u003e\u003cstrong data-start=\"488\" data-end=\"500\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"503\" data-end=\"857\"\u003eThe Siemens 6ES7321-1FH00-0AA0 is a \u003cstrong data-start=\"539\" data-end=\"586\"\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 and noise-resistant signal processing for demanding environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1hx1w1i\" data-start=\"859\" data-end=\"881\"\u003e\u003cstrong data-start=\"863\" data-end=\"879\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"882\" data-end=\"1124\"\u003e\n\u003cli data-section-id=\"15mcvue\" data-start=\"882\" data-end=\"923\"\u003e\n\u003cp data-start=\"884\" data-end=\"923\"\u003eSM321 digital input module for S7-300\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10jwbjv\" data-start=\"924\" data-end=\"950\"\u003e\n\u003cp data-start=\"926\" data-end=\"950\"\u003e16 digital inputs (DI)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y0xu0o\" data-start=\"951\" data-end=\"982\"\u003e\n\u003cp data-start=\"953\" data-end=\"982\"\u003eInput voltage: 120\/230 V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zis6ss\" data-start=\"983\" data-end=\"1025\"\u003e\n\u003cp data-start=\"985\" data-end=\"1025\"\u003eOptically isolated channels for safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ygu2d0\" data-start=\"1026\" data-end=\"1053\"\u003e\n\u003cp data-start=\"1028\" data-end=\"1053\"\u003e20-pole front connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1pvxkxm\" data-start=\"1054\" data-end=\"1097\"\u003e\n\u003cp data-start=\"1056\" data-end=\"1097\"\u003eReliable signal detection for AC inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17v2ak6\" data-start=\"1098\" data-end=\"1124\"\u003e\n\u003cp data-start=\"1100\" data-end=\"1124\"\u003eCompact modular design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1880me3\" data-start=\"1126\" data-end=\"1160\"\u003e\u003cstrong data-start=\"1130\" data-end=\"1158\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1161\" data-end=\"1588\"\u003e\n\u003cli data-section-id=\"kii1oq\" data-start=\"1161\" data-end=\"1201\"\u003e\n\u003cp data-start=\"1163\" data-end=\"1201\"\u003e\u003cstrong data-start=\"1163\" data-end=\"1180\"\u003eSiemens Code:\u003c\/strong\u003e 6ES7321-1FH00-0AA0\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nq3xum\" data-start=\"1202\" data-end=\"1239\"\u003e\n\u003cp data-start=\"1204\" data-end=\"1239\"\u003e\u003cstrong data-start=\"1204\" data-end=\"1215\"\u003eSeries:\u003c\/strong\u003e SIMATIC S7-300, SM321\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t4ken1\" data-start=\"1240\" data-end=\"1268\"\u003e\n\u003cp data-start=\"1242\" data-end=\"1268\"\u003e\u003cstrong data-start=\"1242\" data-end=\"1263\"\u003eNumber of Inputs:\u003c\/strong\u003e 16\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mmafya\" data-start=\"1269\" data-end=\"1301\"\u003e\n\u003cp data-start=\"1271\" data-end=\"1301\"\u003e\u003cstrong data-start=\"1271\" data-end=\"1286\"\u003eInput Type:\u003c\/strong\u003e Digital (AC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3i2paw\" data-start=\"1302\" data-end=\"1337\"\u003e\n\u003cp data-start=\"1304\" data-end=\"1337\"\u003e\u003cstrong data-start=\"1304\" data-end=\"1322\"\u003eInput Voltage:\u003c\/strong\u003e 120\/230 V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tw3cba\" data-start=\"1338\" data-end=\"1365\"\u003e\n\u003cp data-start=\"1340\" data-end=\"1365\"\u003e\u003cstrong data-start=\"1340\" data-end=\"1354\"\u003eFrequency:\u003c\/strong\u003e 47–63 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rslg11\" data-start=\"1366\" data-end=\"1399\"\u003e\n\u003cp data-start=\"1368\" data-end=\"1399\"\u003e\u003cstrong data-start=\"1368\" data-end=\"1390\"\u003ePower Consumption:\u003c\/strong\u003e ~4.9 W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hmu41f\" data-start=\"1400\" data-end=\"1436\"\u003e\n\u003cp data-start=\"1402\" data-end=\"1436\"\u003e\u003cstrong data-start=\"1402\" data-end=\"1417\"\u003eBus System:\u003c\/strong\u003e S7-300 backplane\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bweoe1\" data-start=\"1437\" data-end=\"1479\"\u003e\n\u003cp data-start=\"1439\" data-end=\"1479\"\u003e\u003cstrong data-start=\"1439\" data-end=\"1454\"\u003eConnection:\u003c\/strong\u003e 20-pin front connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18a20oa\" data-start=\"1480\" data-end=\"1511\"\u003e\n\u003cp data-start=\"1482\" data-end=\"1511\"\u003e\u003cstrong data-start=\"1482\" data-end=\"1504\"\u003eProtection Rating:\u003c\/strong\u003e IP20\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdegma\" data-start=\"1512\" data-end=\"1557\"\u003e\n\u003cp data-start=\"1514\" data-end=\"1557\"\u003e\u003cstrong data-start=\"1514\" data-end=\"1540\"\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=\"1558\" data-end=\"1588\"\u003e\n\u003cp data-start=\"1560\" data-end=\"1588\"\u003e\u003cstrong data-start=\"1560\" data-end=\"1579\"\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=\"1590\" data-end=\"1612\"\u003e\u003cstrong data-start=\"1594\" data-end=\"1610\"\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1613\" data-end=\"1792\"\u003e\n\u003cli data-section-id=\"idd3lt\" data-start=\"1613\" data-end=\"1646\"\u003e\n\u003cp data-start=\"1615\" data-end=\"1646\"\u003eIndustrial automation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2j2h3c\" data-start=\"1647\" data-end=\"1673\"\u003e\n\u003cp data-start=\"1649\" data-end=\"1673\"\u003eMachine control panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15kecmt\" data-start=\"1674\" data-end=\"1701\"\u003e\n\u003cp data-start=\"1676\" data-end=\"1701\"\u003eProcess control systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sbzaee\" data-start=\"1702\" data-end=\"1753\"\u003e\n\u003cp data-start=\"1704\" data-end=\"1753\"\u003eSignal acquisition from AC sensors and switches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bscysa\" data-start=\"1754\" data-end=\"1792\"\u003e\n\u003cp data-start=\"1756\" data-end=\"1792\"\u003eManufacturing and production lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1kark4w\" data-start=\"1794\" data-end=\"1842\"\u003e\u003cstrong data-start=\"1798\" data-end=\"1840\"\u003eWhy Choose Siemens 6ES7321-1FH00-0AA0?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1843\" data-end=\"2009\"\u003e\n\u003cli data-section-id=\"1fnab2c\" data-start=\"1843\" data-end=\"1892\"\u003e\n\u003cp data-start=\"1845\" data-end=\"1892\"\u003eReliable AC signal acquisition with isolation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"51we18\" data-start=\"1893\" data-end=\"1937\"\u003e\n\u003cp data-start=\"1895\" data-end=\"1937\"\u003eSeamless integration with S7-300 systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wuxml\" data-start=\"1938\" data-end=\"1971\"\u003e\n\u003cp data-start=\"1940\" data-end=\"1971\"\u003eRobust industrial performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8bx6iv\" data-start=\"1972\" data-end=\"2009\"\u003e\n\u003cp data-start=\"1974\" data-end=\"2009\"\u003eProven Siemens automation quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"9pqy2m\" data-start=\"2011\" data-end=\"2030\"\u003e\u003cstrong data-start=\"2015\" data-end=\"2028\"\u003eOrder Now\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2031\" data-end=\"2162\"\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":"Refurbished","offer_id":51130674708758,"sku":"Refurbished","price":190.0,"currency_code":"USD","in_stock":true},{"title":"DDPARTSSOLUTION Packaging","offer_id":51130674741526,"sku":"DDPARTSSOLUTION Packaging","price":310.0,"currency_code":"USD","in_stock":true},{"title":"Original Packaging","offer_id":51130674774294,"sku":"Original Packaging","price":445.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/1049\/2438\/files\/siemens-6es7321-1fh00-0aa0-4956632.webp?v=1780271832","url":"https:\/\/ddpartssolution.com\/products\/siemens-6es7321-1fh00-0aa0-s7-300-digital-input-module","provider":"DDPARTS SOLUTION","version":"1.0","type":"link"}