{"id":33567,"date":"2026-07-25T14:30:50","date_gmt":"2026-07-25T06:30:50","guid":{"rendered":"https:\/\/pxisource.cn\/?post_type=product&p=33567"},"modified":"2026-11-09T14:03:49","modified_gmt":"2026-11-09T06:03:49","slug":"ni-9157","status":"publish","type":"product","link":"https:\/\/pxisource.cn\/ar\/product\/ni-9157\/","title":{"rendered":"NI-9157"},"content":{"rendered":"

NI-9157 CompactRIO Expansion Chassis<\/h3>\n

\nThe NI-9157<\/strong> is a CompactRIO expansion chassis designed to extend CompactRIO systems with additional NI C Series I\/O modules through EtherCAT communication. Developed by National Instruments, the NI-9157 provides a flexible remote I\/O expansion solution for industrial automation, distributed control, and advanced measurement applications.\n<\/p>\n

\nThe NI-9157 enables engineers to deploy additional C Series modules closer to sensors and field devices while maintaining centralized control through a CompactRIO controller. This distributed architecture improves system scalability and reduces wiring complexity.\n<\/p>\n

\nWith reliable EtherCAT communication, flexible C Series module support, and industrial-grade design, the NI-9157 is suitable for machine control, factory automation, process monitoring, and distributed data acquisition systems.\n<\/p>\n

Key Features of NI-9157<\/h3>\n

EtherCAT-Based CompactRIO Expansion<\/h4>\n

\nThe NI-9157 provides remote I\/O expansion capability for CompactRIO systems through EtherCAT communication.\n<\/p>\n

    \n
  • EtherCAT remote expansion chassis<\/li>\n
  • Connects with CompactRIO controllers<\/li>\n
  • Supports distributed I\/O architecture<\/li>\n
  • Real-time industrial communication<\/li>\n
  • Flexible system expansion<\/li>\n<\/ul>\n

    C Series I\/O Module Compatibility<\/h4>\n

    \nThe NI-9157 supports NI C Series modules, allowing engineers to configure customized measurement and control systems.\n<\/p>\n

      \n
    • Analog input modules<\/li>\n
    • Analog output modules<\/li>\n
    • Digital I\/O modules<\/li>\n
    • Temperature measurement modules<\/li>\n
    • Industrial sensor modules<\/li>\n<\/ul>\n

      Distributed Data Acquisition Capability<\/h4>\n

      \nThe NI-9157 allows I\/O modules to be installed close to measurement points while transferring data through EtherCAT.\n<\/p>\n

        \n
      • Remote sensor acquisition<\/li>\n
      • Reduced field wiring<\/li>\n
      • Flexible equipment placement<\/li>\n
      • Scalable measurement architecture<\/li>\n<\/ul>\n

        Real-Time Industrial Communication<\/h4>\n

        \nEtherCAT communication provides deterministic data exchange for demanding industrial control applications.\n<\/p>\n

          \n
        • High-speed communication<\/li>\n
        • Deterministic timing<\/li>\n
        • Reliable industrial networking<\/li>\n
        • Suitable for continuous operation<\/li>\n<\/ul>\n

          CompactRIO System Integration<\/h4>\n

          \nThe NI-9157 works together with CompactRIO controllers to build distributed embedded control systems.\n<\/p>\n

            \n
          • CompactRIO platform compatibility<\/li>\n
          • LabVIEW development support<\/li>\n
          • Flexible I\/O expansion<\/li>\n
          • Embedded automation applications<\/li>\n<\/ul>\n

            Applications of NI-9157<\/h3>\n

            Industrial Automation<\/h4>\n

            \nThe NI-9157 provides distributed I\/O expansion for industrial automation and control systems.\n<\/p>\n

              \n
            • Machine automation<\/li>\n
            • Factory control<\/li>\n
            • Production monitoring<\/li>\n
            • Industrial equipment control<\/li>\n<\/ul>\n

              Distributed Measurement Systems<\/h4>\n

              \nThe NI-9157 is suitable for applications requiring multiple measurement locations across large systems.\n<\/p>\n

                \n
              • Remote data acquisition<\/li>\n
              • Sensor monitoring<\/li>\n
              • Environmental measurement<\/li>\n
              • Large-scale monitoring systems<\/li>\n<\/ul>\n

                Motion and Control Applications<\/h4>\n

                \nThe NI-9157 can be integrated into real-time motion and control systems requiring additional I\/O channels.\n<\/p>\n

                  \n
                • Robotics systems<\/li>\n
                • Motion control<\/li>\n
                • Real-time automation<\/li>\n
                • Control system development<\/li>\n<\/ul>\n

                  Research and Engineering Applications<\/h4>\n

                  \nThe NI-9157 provides flexible expansion capability for advanced engineering and testing systems.\n<\/p>\n

                    \n
                  • Prototype development<\/li>\n
                  • Experimental systems<\/li>\n
                  • Embedded testing<\/li>\n
                  • Engineering validation<\/li>\n<\/ul>\n

                    Software Support<\/h3>\n

                    \nThe NI-9157 integrates with National Instruments software platforms for CompactRIO system development.\n<\/p>\n

                      \n
                    • LabVIEW<\/li>\n
                    • LabVIEW Real-Time<\/li>\n
                    • LabVIEW FPGA<\/li>\n
                    • NI-RIO Driver<\/li>\n
                    • NI MAX<\/li>\n<\/ul>\n

                      Technical Specifications of NI-9157<\/h3>\n\n\n\n\n\n\n\n
                      Feature<\/th>\nDescription<\/th>\n<\/tr>\n
                      Product Type<\/td>\nCompactRIO Expansion Chassis<\/td>\n<\/tr>\n
                      Communication<\/td>\nEtherCAT Interface<\/td>\n<\/tr>\n
                      Module Support<\/td>\nNI C Series I\/O Modules<\/td>\n<\/tr>\n
                      Platform<\/td>\nCompactRIO<\/td>\n<\/tr>\n
                      Applications<\/td>\nIndustrial automation, distributed I\/O, remote measurement<\/td>\n<\/tr>\n<\/table>\n

                      Comparison with Similar CompactRIO Expansion Chassis<\/h3>\n\n\n\n\n\n\n
                      Model<\/th>\nMain Difference<\/th>\nBest Application<\/th>\n<\/tr>\n
                      \n
                      \nNI-9157<\/strong>
                      \n<\/a>\n<\/td>\n                      		\nEtherCAT CompactRIO expansion chassis designed for flexible C Series I\/O expansion.\n<\/td>\n\nDistributed industrial control systems\n<\/td>\n<\/tr>\n
                      \n
                      \nNI-9154<\/strong>
                      \n<\/a>\n<\/td>\n                      		\nCompactRIO EtherCAT expansion chassis for remote measurement and control applications.\n<\/td>\n\nIndustrial automation systems\n<\/td>\n<\/tr>\n
                      \n
                      \nNI-9145<\/strong>
                      \n<\/a>\n<\/td>\n                      		\nEtherCAT expansion chassis designed for advanced CompactRIO FPGA-based systems.\n<\/td>\n\nHigh-performance real-time control\n<\/td>\n<\/tr>\n
                      \n
                      \nNI-9144<\/strong>
                      \n<\/a>\n<\/td>\n                      		\nEtherCAT expansion chassis for distributed CompactRIO I\/O applications.\n<\/td>\n\nGeneral industrial measurement\n<\/td>\n<\/tr>\n<\/table>\n

                      Recommended Related Products<\/h3>\n

                      \nThe following products are commonly used with the NI-9157 to build complete CompactRIO EtherCAT control and measurement systems.\n<\/p>\n\n\n\n\n\n\n
                      \n
                      \nNI cRIO-9035<\/strong>
                      \n<\/a>\n<\/td>\n                      		\nCompactRIO controller with real-time processor and FPGA capability for industrial automation applications.\n<\/td>\n<\/tr>\n
                      \n
                      \nNI cRIO-9045<\/strong>
                      \n<\/a>\n<\/td>\n                      		\nHigh-performance CompactRIO controller for advanced real-time control systems.\n<\/td>\n<\/tr>\n
                      \n
                      \nNI-9215<\/strong>
                      \n<\/a>\n<\/td>\n                      		\nC Series analog input module for voltage measurement and sensor acquisition applications.\n<\/td>\n<\/tr>\n
                      \n
                      \nNI-9205<\/strong>
                      \n<\/a>\n<\/td>\n                      		\nHigh-channel-count analog input module for multi-signal measurement systems.\n<\/td>\n<\/tr>\n
                      \n
                      \nNI-9472<\/strong>
                      \n<\/a>\n<\/td>\n                      		\nC Series digital output module for industrial control and automation applications.\n<\/td>\n<\/tr>\n<\/table>\n

                      Why Choose NI-9157<\/h3>\n
                        \n
                      • Flexible EtherCAT expansion solution<\/li>\n
                      • Supports NI C Series I\/O modules<\/li>\n
                      • Enables distributed industrial measurement<\/li>\n
                      • Reduces system wiring complexity<\/li>\n
                      • Integrates with CompactRIO controllers<\/li>\n
                      • Suitable for real-time automation applications<\/li>\n<\/ul>\n

                        Conclusion<\/h3>\n

                        \nThe NI-9157 CompactRIO Expansion Chassis<\/strong> provides a reliable and scalable solution for expanding CompactRIO systems with distributed C Series I\/O capability.\n<\/p>\n

                        \nWith EtherCAT communication, flexible module support, and industrial-grade design, the NI-9157 is an excellent choice for industrial automation, remote measurement, distributed control, and embedded test systems.<\/p>","protected":false},"excerpt":{"rendered":"

                        NI-9157 CompactRIO E<\/p>","protected":false},"featured_media":33553,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[750],"product_tag":[],"class_list":["post-33567","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-crio-chassis","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"\nNI NI-9157 CompactRIO \u673a\u7bb1 781316-01 - PXI Source<\/title>\n<meta name=\"description\" content=\"NI-9157 CompactRIO expansion chassis provides EtherCAT connectivity and C Series I\/O expansion for distributed industrial control, remote measurement, automation, and embedded systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pxisource.cn\/ar\/product\/ni-9157\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NI-9157\" \/>\n<meta property=\"og:description\" content=\"NI-9157 CompactRIO expansion chassis provides EtherCAT connectivity and C Series I\/O expansion for distributed industrial control, remote measurement, automation, and embedded systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pxisource.cn\/ar\/product\/ni-9157\/\" \/>\n<meta property=\"og:site_name\" content=\"PXI Source\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61582573040385\" \/>\n<meta property=\"article:modified_time\" content=\"2026-11-09T06:03:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pxisource.cn\/wp-content\/uploads\/2026\/07\/NI-9157.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0627\u0644\u0633\u0639\u0631\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0627\u0644\u062a\u0648\u0641\u0631\" \/>\n\t<meta name=\"twitter:data2\" content=\"\u0645\u062a\u0648\u0641\u0631 \u0641\u064a \u0627\u0644\u0645\u062e\u0632\u0648\u0646\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/pxisource.cn\\\/product\\\/ni-9157\\\/\",\"url\":\"https:\\\/\\\/pxisource.cn\\\/product\\\/ni-9157\\\/\",\"name\":\"NI NI-9157 CompactRIO \u673a\u7bb1 781316-01 - 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