{"id":1951,"date":"2025-12-17T15:28:43","date_gmt":"2025-12-17T07:28:43","guid":{"rendered":"https:\/\/ksxiqian.cn\/?p=1951"},"modified":"2026-06-05T15:12:48","modified_gmt":"2026-06-05T07:12:48","slug":"sales-of-siemens-plc-module-6es7521-1bh00-0ab0-s7-1500-siemens-expansion-module","status":"publish","type":"post","link":"https:\/\/ksxiqian.cn\/?p=1951","title":{"rendered":"Sales Original Siemens 6ES7521-1BH00-0AB0 SM521 16DI 24VDC Digital Input Expansion Module With Push-in Terminal For S7-1500 PLC"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\">We focus on sales of brand new original Siemens 6ES7521-1BH00-0AB0 SM521 digital input module for SIMATIC S7-1500 PLC. 16-channel 24VDC sinking digital input conforming to IEC Type3, typical input delay 3.2ms, filter time adjustable 0.1~20ms in program. Comes with factory pre-installed push-in spring front connector for fast field wiring; support single-channel diagnosis for open circuit and short-circuit fault, opto-isolation between backplane and field side, IP20 protection, backplane DIN rail installation. Widely used for limit switch, proximity sensor signal collection in general industrial automation. Original package with 12-month manufacturer warranty, sufficient stock for bulk purchase and global delivery.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We focus on sales of brand new original &hellip;<\/p>\n","protected":false},"author":1,"featured_media":1819,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[],"class_list":["post-1951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-s7-1500"],"acf":[],"_links":{"self":[{"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=\/wp\/v2\/posts\/1951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1951"}],"version-history":[{"count":2,"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=\/wp\/v2\/posts\/1951\/revisions"}],"predecessor-version":[{"id":9102,"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=\/wp\/v2\/posts\/1951\/revisions\/9102"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=\/wp\/v2\/media\/1819"}],"wp:attachment":[{"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ksxiqian.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}