{"version":"1.0","provider_name":"DMC, Inc.","provider_url":"https:\/\/www.dmcinfo.com","author_name":"Sam Levin","author_url":"https:\/\/www.dmcinfo.com\/blog\/author\/dmc_admin\/","title":"Siemens PLC Communication via GPRS GSM Cellular Modem","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"UpBHsD6qUB\"><a href=\"https:\/\/www.dmcinfo.com\/our-work\/siemens-plc-communication-via-gprs-gsm-cellular-modem\/\">Siemens PLC Communication via GPRS GSM Cellular Modem<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.dmcinfo.com\/our-work\/siemens-plc-communication-via-gprs-gsm-cellular-modem\/embed\/#?secret=UpBHsD6qUB\" width=\"600\" height=\"338\" title=\"&#8220;Siemens PLC Communication via GPRS GSM Cellular Modem&#8221; &#8212; DMC, Inc.\" data-secret=\"UpBHsD6qUB\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","thumbnail_url":"https:\/\/cdn.dmcinfo.com\/wp-content\/uploads\/2025\/05\/27170242\/SIemens-PLC-Communication-.png","thumbnail_width":1400,"thumbnail_height":500,"description":"DMC utilized the Siemens Simatic S7-1200 PLC and Siemens Sinaut MD720 GPRS GSM cellular modem. The system is able to send data from the PLC (through the cellular network) to the Siemens Sinaut Micro SC OPC server, and view the data on multiple OPC clients such as a WinCC Flexible HMI. The system is also [&hellip;]"}