{"product_id":"siemens-6es7321-1bl00-0aa0-simatic-s7-300-digital-input-sm-321-isolated-32-di","title":"Siemens 6ES7321-1BL00-0AA0 SIMATIC S7-300, Digital input SM 321, Isolated 32 DI","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"592\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/siemens\" title=\"Siemens\"\u003eSiemens\u003c\/a\u003e 6ES7321-1BL00-0AA0 Digital Input Module is an industrial I\/O module designed for SIMATIC S7-300 \u003ca href=\"https:\/\/plgautomation.com\/collections\/plcs-more\" title=\"PLC systems\"\u003ePLC systems\u003c\/a\u003e to provide reliable digital signal acquisition. This module features thirty-two isolated digital input channels, allowing the PLC to monitor signals from field devices such as switches, sensors, and pushbuttons. Maintenance teams, OEM machine builders, and system integrators use this module for system expansion, control panel upgrades, machine automation projects, and replacement of existing digital input modules in industrial automation environments.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"594\" data-end=\"611\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"612\" data-end=\"998\"\u003eThe 6ES7321-1BL00-0AA0 module is widely used in industrial automation systems where multiple digital inputs must be monitored reliably. Typical installations include manufacturing production lines, packaging machinery, conveyor systems, robotics, and material handling equipment where PLCs must read signals from limit switches, proximity sensors, safety devices, and operator controls.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1000\" data-end=\"1029\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1030\" data-end=\"1511\"\u003e• Manufacturer: Siemens\u003cbr data-start=\"1053\" data-end=\"1056\"\u003e• Part Number: 6ES7321-1BL00-0AA0\u003cbr data-start=\"1089\" data-end=\"1092\"\u003e• Series: SIMATIC S7-300\u003cbr data-start=\"1116\" data-end=\"1119\"\u003e• Module Type: Digital input module\u003cbr data-start=\"1154\" data-end=\"1157\"\u003e• Number of Inputs: 32 digital inputs\u003cbr data-start=\"1194\" data-end=\"1197\"\u003e• Input Type: Isolated digital inputs\u003cbr data-start=\"1234\" data-end=\"1237\"\u003e• Input Voltage: 24V DC\u003cbr data-start=\"1260\" data-end=\"1263\"\u003e• Signal Type: Sink\/source compatible (depending on wiring)\u003cbr data-start=\"1322\" data-end=\"1325\"\u003e• Installation Type: S7-300 rack-mounted module\u003cbr data-start=\"1372\" data-end=\"1375\"\u003e• Communication Interface: Backplane bus\u003cbr data-start=\"1415\" data-end=\"1418\"\u003e• Compatible Controllers: SIMATIC S7-300 PLC systems\u003cbr data-start=\"1470\" data-end=\"1473\"\u003e• Operating Temperature: 0°C to 60°C\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1513\" data-end=\"1537\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1538\" data-end=\"1623\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Siemens 6ES7321-1BL00-0AA1\u003cbr data-start=\"1566\" data-end=\"1569\"\u003e• Siemens \u003ca href=\"https:\/\/plgautomation.com\/products\/6es7321-1bh02-0aa0-siemens-digital-input-module?_pos=1\u0026amp;_sid=fb1903df8\u0026amp;_ss=r\" title=\"6ES7321-1BH02-0AA0\"\u003e6ES7321-1BH02-0AA0\u003c\/a\u003e\u003cbr data-start=\"1597\" data-end=\"1600\"\u003e• Schneider \u003ca href=\"https:\/\/plgautomation.com\/products\/140ddi35300-schneider-electric-modicon-input-module-never?_pos=1\u0026amp;_sid=910698c66\u0026amp;_ss=r\" title=\"140DDI35300\"\u003e140DDI35300\u003c\/a\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":51711892291886,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/6ES7321_1BL00_0AA0_0.jpg?v=1774162469","url":"https:\/\/plgautomation.com\/products\/siemens-6es7321-1bl00-0aa0-simatic-s7-300-digital-input-sm-321-isolated-32-di","provider":"PLG Automation ","version":"1.0","type":"link"}