{"id":2782,"date":"2011-07-05T15:10:23","date_gmt":"2011-07-05T13:10:23","guid":{"rendered":"http:\/\/www.gsm-modem.de\/M2M\/?p=2782"},"modified":"2011-07-16T22:27:04","modified_gmt":"2011-07-16T20:27:04","slug":"gsm-modem-with-watch-dog","status":"publish","type":"post","link":"http:\/\/www.gsm-modem.de\/M2M\/iot-gallery\/gsm-modem-with-watch-dog\/","title":{"rendered":"GSM modem with watchdog"},"content":{"rendered":"<h2>Industrial GSM modem with watchdog<\/h2>\n<h3>GSM modem front view<\/h3>\n<div id=\"attachment_2779\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a rel=\"attachment wp-att-2779\" href=\"http:\/\/www.gsm-modem.de\/M2M\/?attachment_id=2779\"><img aria-describedby=\"caption-attachment-2779\" decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-2779 \" title=\"GSM-modem-F\" src=\"http:\/\/www.gsm-modem.de\/M2M\/.\/wp-content\/uploads\/2011\/07\/GSM-modem-F-300x161.jpg\" alt=\"GSM modem front\" width=\"300\" height=\"161\" \/><\/a><p id=\"caption-attachment-2779\" class=\"wp-caption-text\">GSM modem front<\/p><\/div>\n<ul>\n<li>RS232 on D-SUB9<\/li>\n<li>Three status LED<\/li>\n<\/ul>\n<h3>GSM modem back view<\/h3>\n<div id=\"attachment_2780\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a rel=\"attachment wp-att-2780\" href=\"http:\/\/www.gsm-modem.de\/M2M\/m2m-gallery\/gsm-modem-with-watch-dog\/attachment\/gsm-modem-b\/\"><img aria-describedby=\"caption-attachment-2780\" decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-2780\" title=\"GSM-modem-b\" src=\"http:\/\/www.gsm-modem.de\/M2M\/.\/wp-content\/uploads\/2011\/07\/GSM-modem-b-300x131.jpg\" alt=\"GSM modem back\" width=\"300\" height=\"131\" \/><\/a><p id=\"caption-attachment-2780\" class=\"wp-caption-text\">GSM modem back<\/p><\/div>\n<dl id=\"attachment_2780\" style=\"width: 310px;\">\n<dt> <\/dt>\n<dd>GSM modem back<\/dd>\n<\/dl>\n<ul>\n<li>Antenna interface SMA\/F<\/li>\n<li>SIM card holder push \/ push<\/li>\n<li>I\/O interface with 6 pins (functions differs on the version of the GSM modem)<\/li>\n<li>Power connector with 4 pins, 8 to 36 DC, inverse voltage protection<\/li>\n<li>Back up battery (option)<\/li>\n<li>Python interpreter<\/li>\n<li>Operation as standard AT modem with watchdog and or battery<\/li>\n<li>Operation as low cost PLC (programmable logic controller) replacement and program code on licence free Python language<\/li>\n<\/ul>\n<h3>GSM modem general<\/h3>\n<ul>\n<li>Temperature range: -25 to 70 degree Celsius<\/li>\n<li>Enclosure: 57 x 87 x 27 (mm), aluminium<\/li>\n<li>EN 55011 class A, EN 61000-6-1, IP20<\/li>\n<li>Quadband GSM \/ GPRS 850\/900\/1800\/1900 GPRS class 10<\/li>\n<li>Embedded TCP\/IP, UDP\/IP, FTP, SMTP<\/li>\n<li>SMS, data, fax, DTMF<\/li>\n<li>Several types of hardware watchdog<\/li>\n<\/ul>\n<h3>GSM modem unique features<\/h3>\n<ul>\n<li>Reboot each 4 to 24 hours (by jumper)<\/li>\n<li>Watch dog of the Python code by external micro controller ( by jumper)<\/li>\n<li>Reboot of the GSM modem by command on RS232 ( by jumper)<\/li>\n<li>Emergency battery inside (hardware option)<\/li>\n<li>Secured against vibration by snap in connectors<\/li>\n<li>Ready to use Python programs for different tasks<\/li>\n<li>Free of charge tools to write and upload own Python programs<\/li>\n<li>Local technical trainings for coding in Python (on request)<\/li>\n<li>Test server to upload data logged or collected by GPRS (HTML, TCP\/IP)<\/li>\n<\/ul>\n<h2>GSM modem block diagram<\/h2>\n<div id=\"attachment_2823\" style=\"width: 590px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.gsm-modem.de\/M2M\/?attachment_id=2823\"><img aria-describedby=\"caption-attachment-2823\" decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-2823\" title=\"GSM-modem-with-watchdog\" src=\"http:\/\/www.gsm-modem.de\/M2M\/.\/wp-content\/uploads\/2011\/07\/GSM-modem-with-watchdog1-221x300.png\" alt=\"GSM modem with watchdog and battery\" width=\"580\" height=\"786\" \/><\/a><p id=\"caption-attachment-2823\" class=\"wp-caption-text\">GSM modem with watchdog and battery<\/p><\/div>\n<h2>GSM modem family<\/h2>\n<h3>GSM modem standard<\/h3>\n<ul>\n<li>Digital input with optical coupler 0 to 28\u00c2\u00a0 VDC =4<\/li>\n<li>Output relay 1 A , 60 VDC<\/li>\n<li>I2C bus for external extension= No<\/li>\n<li>Back up battery = No<\/li>\n<\/ul>\n<h3>GSM modem with battery<\/h3>\n<ul>\n<li>Digital input with optical coupler 0 to 28 VDC =4<\/li>\n<li>Output relay 1 A , 60 VDC<\/li>\n<li>I2C bus for external extension= No<\/li>\n<li>Back up battery = No<\/li>\n<\/ul>\n<h3>GSM modem with I2C bus and no battery<\/h3>\n<ul>\n<li>Digital input with optical coupler 0 to 28 VDC =2<\/li>\n<li>Output relay 1 A , 60 VDC<\/li>\n<li>I2C bus for external extension= Yes (1)<\/li>\n<li>Back up battery = No<\/li>\n<\/ul>\n<h3>GSM modem with I2C bus and battery<\/h3>\n<ul>\n<li>Digital input with optical coupler 0 to 28 VDC =2<\/li>\n<li>Output relay 1 A , 60 VDC<\/li>\n<li>I2C bus for external extension= Yes (1)<\/li>\n<li>Back up battery = Yes<\/li>\n<\/ul>\n<h3>GSM modem application examples<\/h3>\n<p>Burglar alarm, monitoring of server room, standard AT modem with watchdog, operating hour timer of machines, remote control, remote monitoring, fault detector, data logger &#8230; and a lot of more<\/p>\n<p>If you have interest in this GSM modem made by a business friend of mine then just drop an email to <span style=\"color: #0000ff;\"><strong>harald.naumann (at) gsm-modem.de<\/strong><\/span> or <strong><span style=\"color: #0000ff;\"><a href=\"..\/..\/contact-me\/\"><span style=\"text-decoration: underline;\">use the form<\/span><\/a> <\/span><\/strong>to get further details.<\/p>\n<div class=\"shariff shariff-align-flex-start shariff-widget-align-flex-start\"><ul class=\"shariff-buttons theme-default orientation-horizontal buttonsize-small\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#32bbf5\"><a href=\"https:\/\/twitter.com\/share?url=http%3A%2F%2Fwww.gsm-modem.de%2FM2M%2Fiot-gallery%2Fgsm-modem-with-watch-dog%2F&text=GSM%20modem%20with%20watchdog\" title=\"Share on Twitter\" aria-label=\"Share on Twitter\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#55acee; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 30 32\"><path fill=\"#55acee\" d=\"M29.7 6.8q-1.2 1.8-3 3.1 0 0.3 0 0.8 0 2.5-0.7 4.9t-2.2 4.7-3.5 4-4.9 2.8-6.1 1q-5.1 0-9.3-2.7 0.6 0.1 1.5 0.1 4.3 0 7.6-2.6-2-0.1-3.5-1.2t-2.2-3q0.6 0.1 1.1 0.1 0.8 0 1.6-0.2-2.1-0.4-3.5-2.1t-1.4-3.9v-0.1q1.3 0.7 2.8 0.8-1.2-0.8-2-2.2t-0.7-2.9q0-1.7 0.8-3.1 2.3 2.8 5.5 4.5t7 1.9q-0.2-0.7-0.2-1.4 0-2.5 1.8-4.3t4.3-1.8q2.7 0 4.5 1.9 2.1-0.4 3.9-1.5-0.7 2.2-2.7 3.4 1.8-0.2 3.5-0.9z\"\/><\/svg><\/span><span class=\"shariff-text\">tweet<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button facebook shariff-nocustomcolor\" style=\"background-color:#4273c8\"><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=http%3A%2F%2Fwww.gsm-modem.de%2FM2M%2Fiot-gallery%2Fgsm-modem-with-watch-dog%2F\" title=\"Share on Facebook\" aria-label=\"Share on Facebook\" role=\"button\" rel=\"nofollow\" class=\"shariff-link\" style=\"; background-color:#3b5998; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 18 32\"><path fill=\"#3b5998\" d=\"M17.1 0.2v4.7h-2.8q-1.5 0-2.1 0.6t-0.5 1.9v3.4h5.2l-0.7 5.3h-4.5v13.6h-5.5v-13.6h-4.5v-5.3h4.5v-3.9q0-3.3 1.9-5.2t5-1.8q2.6 0 4.1 0.2z\"\/><\/svg><\/span><span class=\"shariff-text\">share<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button linkedin shariff-nocustomcolor\" style=\"background-color:#1488bf\"><a href=\"https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=http%3A%2F%2Fwww.gsm-modem.de%2FM2M%2Fiot-gallery%2Fgsm-modem-with-watch-dog%2F\" title=\"Share on LinkedIn\" aria-label=\"Share on LinkedIn\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#0077b5; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 27 32\"><path fill=\"#0077b5\" d=\"M6.2 11.2v17.7h-5.9v-17.7h5.9zM6.6 5.7q0 1.3-0.9 2.2t-2.4 0.9h0q-1.5 0-2.4-0.9t-0.9-2.2 0.9-2.2 2.4-0.9 2.4 0.9 0.9 2.2zM27.4 18.7v10.1h-5.9v-9.5q0-1.9-0.7-2.9t-2.3-1.1q-1.1 0-1.9 0.6t-1.2 1.5q-0.2 0.5-0.2 1.4v9.9h-5.9q0-7.1 0-11.6t0-5.3l0-0.9h5.9v2.6h0q0.4-0.6 0.7-1t1-0.9 1.6-0.8 2-0.3q3 0 4.9 2t1.9 6z\"\/><\/svg><\/span><span class=\"shariff-text\">share<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button mailto shariff-nocustomcolor\" style=\"background-color:#a8a8a8\"><a href=\"mailto:?body=http%3A%2F%2Fwww.gsm-modem.de%2FM2M%2Fiot-gallery%2Fgsm-modem-with-watch-dog%2F&subject=GSM%20modem%20with%20watchdog\" title=\"Send by email\" aria-label=\"Send by email\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#999; color:#fff\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 32 32\"><path fill=\"#999\" d=\"M32 12.7v14.2q0 1.2-0.8 2t-2 0.9h-26.3q-1.2 0-2-0.9t-0.8-2v-14.2q0.8 0.9 1.8 1.6 6.5 4.4 8.9 6.1 1 0.8 1.6 1.2t1.7 0.9 2 0.4h0.1q0.9 0 2-0.4t1.7-0.9 1.6-1.2q3-2.2 8.9-6.1 1-0.7 1.8-1.6zM32 7.4q0 1.4-0.9 2.7t-2.2 2.2q-6.7 4.7-8.4 5.8-0.2 0.1-0.7 0.5t-1 0.7-0.9 0.6-1.1 0.5-0.9 0.2h-0.1q-0.4 0-0.9-0.2t-1.1-0.5-0.9-0.6-1-0.7-0.7-0.5q-1.6-1.1-4.7-3.2t-3.6-2.6q-1.1-0.7-2.1-2t-1-2.5q0-1.4 0.7-2.3t2.1-0.9h26.3q1.2 0 2 0.8t0.9 2z\"\/><\/svg><\/span><span class=\"shariff-text\">email<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button whatsapp shariff-nocustomcolor\" style=\"background-color:#5cbe4a\"><a href=\"https:\/\/api.whatsapp.com\/send?text=http%3A%2F%2Fwww.gsm-modem.de%2FM2M%2Fiot-gallery%2Fgsm-modem-with-watch-dog%2F%20GSM%20modem%20with%20watchdog\" title=\"Share on Whatsapp\" aria-label=\"Share on Whatsapp\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#34af23; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 32 32\"><path fill=\"#34af23\" d=\"M17.6 17.4q0.2 0 1.7 0.8t1.6 0.9q0 0.1 0 0.3 0 0.6-0.3 1.4-0.3 0.7-1.3 1.2t-1.8 0.5q-1 0-3.4-1.1-1.7-0.8-3-2.1t-2.6-3.3q-1.3-1.9-1.3-3.5v-0.1q0.1-1.6 1.3-2.8 0.4-0.4 0.9-0.4 0.1 0 0.3 0t0.3 0q0.3 0 0.5 0.1t0.3 0.5q0.1 0.4 0.6 1.6t0.4 1.3q0 0.4-0.6 1t-0.6 0.8q0 0.1 0.1 0.3 0.6 1.3 1.8 2.4 1 0.9 2.7 1.8 0.2 0.1 0.4 0.1 0.3 0 1-0.9t0.9-0.9zM14 26.9q2.3 0 4.3-0.9t3.6-2.4 2.4-3.6 0.9-4.3-0.9-4.3-2.4-3.6-3.6-2.4-4.3-0.9-4.3 0.9-3.6 2.4-2.4 3.6-0.9 4.3q0 3.6 2.1 6.6l-1.4 4.2 4.3-1.4q2.8 1.9 6.2 1.9zM14 2.2q2.7 0 5.2 1.1t4.3 2.9 2.9 4.3 1.1 5.2-1.1 5.2-2.9 4.3-4.3 2.9-5.2 1.1q-3.5 0-6.5-1.7l-7.4 2.4 2.4-7.2q-1.9-3.2-1.9-6.9 0-2.7 1.1-5.2t2.9-4.3 4.3-2.9 5.2-1.1z\"\/><\/svg><\/span><span class=\"shariff-text\">share<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button rss shariff-nocustomcolor\" style=\"background-color:#ff8c00\"><a href=\"http:\/\/www.gsm-modem.de\/M2M\/feed\/rss\/\" title=\"RSS feed\" aria-label=\"RSS feed\" role=\"button\" class=\"shariff-link\" style=\"; background-color:#fe9312; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 32 32\"><path fill=\"#fe9312\" d=\"M4.3 23.5c-2.3 0-4.3 1.9-4.3 4.3 0 2.3 1.9 4.2 4.3 4.2 2.4 0 4.3-1.9 4.3-4.2 0-2.3-1.9-4.3-4.3-4.3zM0 10.9v6.1c4 0 7.7 1.6 10.6 4.4 2.8 2.8 4.4 6.6 4.4 10.6h6.2c0-11.7-9.5-21.1-21.1-21.1zM0 0v6.1c14.2 0 25.8 11.6 25.8 25.9h6.2c0-17.6-14.4-32-32-32z\"\/><\/svg><\/span><span class=\"shariff-text\">RSS feed<\/span>&nbsp;<\/a><\/li><\/ul><\/div>","protected":false},"excerpt":{"rendered":"<p>Industrial GSM modem with watchdog GSM modem front view RS232 on D-SUB9 Three status LED GSM modem back view GSM modem back Antenna interface SMA\/F SIM card holder push \/ push I\/O interface with 6 pins (functions differs on the version of the GSM modem) Power connector with 4 pins, 8 to 36 DC, inverse [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[45],"tags":[50],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/posts\/2782"}],"collection":[{"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/comments?post=2782"}],"version-history":[{"count":30,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/posts\/2782\/revisions"}],"predecessor-version":[{"id":2810,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/posts\/2782\/revisions\/2810"}],"wp:attachment":[{"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/media?parent=2782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/categories?post=2782"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/tags?post=2782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}