{"id":3573,"date":"2025-07-31T02:50:03","date_gmt":"2025-07-31T02:50:03","guid":{"rendered":"https:\/\/plc-skywin.com\/?post_type=product&p=3573"},"modified":"2025-07-31T02:50:04","modified_gmt":"2025-07-31T02:50:04","slug":"new-6es7321-1fh00-0aa0","status":"publish","type":"product","link":"https:\/\/plc-skywin.com\/?product=new-6es7321-1fh00-0aa0","title":{"rendered":"NEW 6ES7321-1FH00-0AA0"},"content":{"rendered":"
The\u00a06ES7321-1FH00-0AA0<\/strong>\u00a0is a\u00a0digital input module<\/strong>\u00a0from Siemens’ SIMATIC S7-300 series, specifically part of the\u00a0SM 321<\/strong>\u00a0family, designed to capture digital signals from AC-powered industrial devices (such as switches, contactors, or sensors) and transmit them to the S7-300 PLC for processing. It is tailored for applications requiring compatibility with higher AC voltages, making it suitable for integration with legacy or AC-based field equipment.<\/div>\n

Key Features & Specifications:<\/h3>\n
    \n
  • Channel Configuration<\/strong>: Equipped with\u00a016 digital input channels<\/strong>, enabling simultaneous monitoring of 16 discrete AC signals\u2014ideal for systems needing multiple input points for AC-powered devices.<\/li>\n
  • Input Characteristics<\/strong>:\n
      \n
    • Operates on\u00a0AC 120\/230 V<\/strong>\u00a0(wide-range voltage compatibility), supporting connection to standard industrial AC sensors, relays, or switches.<\/li>\n
    • Typical input current: ~10 mA at 120 V AC, ~5 mA at 230 V AC, ensuring efficient power usage for AC circuits.<\/li>\n
    • Response time: ~10 ms (standard), suitable for monitoring non-time-critical AC device statuses.<\/li>\n<\/ul>\n<\/li>\n
    • Diagnostic & Status Indicators<\/strong>: Features channel-specific LEDs to visually indicate input activation (ON\/OFF), providing quick status checks. A module-level LED indicates overall operational health, aiding in troubleshooting.<\/li>\n
    • Connection & Integration<\/strong>:\n
        \n
      • Uses a\u00a040-pin front connector<\/strong>\u00a0for wiring, with options for screw terminals to secure AC connections reliably.<\/li>\n
      • Integrates directly with the S7-300 backplane bus, enabling seamless data transfer to the CPU without additional communication hardware.<\/li>\n<\/ul>\n<\/li>\n
      • Industrial Durability<\/strong>:\n
          \n
        • Built to withstand harsh industrial environments, operating reliably in a temperature range of 0\u00b0C to 60\u00b0C.<\/li>\n
        • Complies with international standards (e.g., CE, UL, IEC 61131-2) for resistance to vibration, shock, and electromagnetic interference (EMC), ensuring stable performance in factory floors or process control settings.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

          Compatibility:<\/h3>\n
            \n
          • Seamlessly integrates with all SIMATIC S7-300 CPUs (e.g., 312, 314, 315, 317) via the backplane bus, making it a flexible addition to modular S7-300 systems.<\/li>\n
          • Compatible with AC 120\/230 V digital devices such as limit switches, contactor auxiliary contacts, or AC-powered sensors commonly used in industrial facilities.<\/li>\n<\/ul>\n

            Applications:<\/h3>\n
            Ideal for industrial automation scenarios requiring monitoring of AC-powered discrete devices, such as:<\/div>\n

             <\/p>\n

              \n
            • Detecting the status of AC contactors or relays in power distribution systems.<\/li>\n
            • Monitoring high-voltage switches or emergency stops in manufacturing lines.<\/li>\n
            • Collecting data from AC sensors in process plants or heavy machinery.<\/li>\n<\/ul>\n

               <\/p>\n

              It provides a reliable solution for integrating AC-based field devices into S7-300 PLC systems, bridging compatibility gaps between modern controllers and legacy AC equipment.<\/div>\n","protected":false},"excerpt":{"rendered":"

              The\u00a06ES7321-1FH00-0AA0\u00a0is a\u00a0digital input module\u00a0from Siemens’ SIMATIC S7-300 series, specifically part of the\u00a0SM 321\u00a0family, designed to capture digital signals from AC-powered<\/p>\n","protected":false},"featured_media":3575,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[311],"product_tag":[],"class_list":{"0":"post-3573","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-s7-300","8":"first","9":"instock","10":"sale","11":"purchasable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/plc-skywin.com\/index.php?rest_route=\/wp\/v2\/product\/3573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plc-skywin.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/plc-skywin.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/plc-skywin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3573"}],"version-history":[{"count":1,"href":"https:\/\/plc-skywin.com\/index.php?rest_route=\/wp\/v2\/product\/3573\/revisions"}],"predecessor-version":[{"id":3576,"href":"https:\/\/plc-skywin.com\/index.php?rest_route=\/wp\/v2\/product\/3573\/revisions\/3576"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/plc-skywin.com\/index.php?rest_route=\/wp\/v2\/media\/3575"}],"wp:attachment":[{"href":"https:\/\/plc-skywin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3573"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/plc-skywin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=3573"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/plc-skywin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=3573"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/plc-skywin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=3573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}