{"id":11909,"date":"2020-02-17T14:38:36","date_gmt":"2020-02-17T14:38:36","guid":{"rendered":"https:\/\/plc4me.com\/?p=11909"},"modified":"2020-02-17T14:39:48","modified_gmt":"2020-02-17T14:39:48","slug":"ladder-practical-exercises-lesson2","status":"publish","type":"post","link":"https:\/\/plc4me.com\/ladder-practical-exercises-lesson2\/","title":{"rendered":"LADDER Practical Exercises &#8211; Lesson2"},"content":{"rendered":"<div class=\"96808cb073c8426664f681cc38f098bd\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-8505305621822979\"\r\n     data-ad-slot=\"8963712530\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p>Continue with the practice series on the Ladder language .<\/p>\n\n\n\n<p>>>> You can see Lesson1 : <a href=\"https:\/\/plc4me.com\/ladder-practical-exercises-lesson1\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Views Here (opens in a new tab)\">Views Here<\/a><\/p>\n\n\n\n<p>Today I continue to share to you the next 5 exercises<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><em>Practical Exercises 6 : <\/em><strong>3 Conveyor Control<\/strong><\/li><\/ul>\n\n\n\n<p># 3 conveyor system works with the following sequence :<\/p>\n\n\n\n<p>+ When the S1 button M1 conveyor button is pressed, the M2 and M3 conveyors operate after 5 seconds, respectively<\/p>\n\n\n\n<p>+ When press button S2, M3 conveyor stops, M2 and M1 conveyors stop after 5 seconds<\/p>\n\n\n\n<p>+ Operation process is described according to the following time scheme<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"842\" height=\"500\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6e.png\" alt=\"\" class=\"wp-image-12925\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6e.png 842w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6e-300x178.png 300w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6e-768x456.png 768w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6e-810x481.png 810w\" sizes=\"auto, (max-width: 842px) 100vw, 842px\" \/><\/figure>\n\n\n\n<p><em># Motivation diagram <\/em> <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"552\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6-1024x552.png\" alt=\"\" class=\"wp-image-12930\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6-1024x552.png 1024w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6-300x162.png 300w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6-768x414.png 768w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6-810x437.png 810w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6.png 1054w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><em># Devices used in the circuit include :<\/em> <\/p>\n\n\n\n<p>+ 1 Aptomat<\/p>\n\n\n\n<p>+ 1 Start button S1<\/p>\n\n\n\n<p>+ 1 Stop button S2<\/p>\n\n\n\n<p>+ 3 Thermal overload relay <\/p>\n\n\n\n<p><em># The table specifies the address<\/em> <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"524\" height=\"294\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6d.png\" alt=\"\" class=\"wp-image-12931\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6d.png 524w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6d-300x168.png 300w\" sizes=\"auto, (max-width: 524px) 100vw, 524px\" \/><\/figure>\n\n\n\n<p><em># PLC program<\/em> <\/p>\n\n\n\n<p>+ Network1<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"767\" height=\"469\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6a.png\" alt=\"\" class=\"wp-image-12933\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6a.png 767w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6a-300x183.png 300w\" sizes=\"auto, (max-width: 767px) 100vw, 767px\" \/><\/figure>\n\n\n\n<p>+ Network2<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"767\" height=\"420\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6b.png\" alt=\"\" class=\"wp-image-12934\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6b.png 767w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6b-300x164.png 300w\" sizes=\"auto, (max-width: 767px) 100vw, 767px\" \/><\/figure>\n\n\n\n<p>+ Network3<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"702\" height=\"325\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6c.png\" alt=\"\" class=\"wp-image-12937\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6c.png 702w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles6c-300x139.png 300w\" sizes=\"auto, (max-width: 702px) 100vw, 702px\" \/><\/figure>\n\n\n\n<p>#<em> Video simulation program<\/em>  <\/p>\n\n\n\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/UDMUyv9yPgk\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n\n\n\n<ul class=\"wp-block-list\"><li><em>Practical Exercises 7 : <\/em><strong>Control the sequence of lights to operate sequentially<\/strong><\/li><\/ul>\n\n\n\n<p>1 The sequence of 5 lights operates on the following principles : <\/p>\n\n\n\n<p>+ Turn off the system with the S1 button, turn off the system with the S2 button, switch Automatic \/ Manual mode (A\/M) with the S3 button<\/p>\n\n\n\n<p>+ Auto Mode : When the <strong>Up<\/strong> button is pressed, the lights turn on from lights 1 to 5 and then stop. When pressing the <strong>Down<\/strong> button, the lights turn off from lamp 5 to lamp 1 respectively. The distance between the lights is 1 second<\/p>\n\n\n\n<p>+ Manual Mode : Every time you press <strong>Up<\/strong>, there will be 1 light, every time you press <strong>Down<\/strong>, there will be 1 light off<\/p>\n\n\n\n<p><em># Diagram of a row of lights<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"417\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7-1024x417.png\" alt=\"\" class=\"wp-image-12941\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7-1024x417.png 1024w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7-300x122.png 300w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7-768x313.png 768w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7-810x330.png 810w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7.png 1048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><em># The table specifies the address<\/em> <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"432\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7e.png\" alt=\"\" class=\"wp-image-12944\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7e.png 525w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7e-300x247.png 300w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<p><em># PLC program<\/em> <\/p>\n\n\n\n<p>+ Network1 <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"767\" height=\"399\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7a.png\" alt=\"\" class=\"wp-image-12945\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7a.png 767w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7a-300x156.png 300w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7a-375x195.png 375w\" sizes=\"auto, (max-width: 767px) 100vw, 767px\" \/><\/figure>\n\n\n\n<p>+ Network2<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"412\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7b.png\" alt=\"\" class=\"wp-image-12946\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7b.png 710w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7b-300x174.png 300w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><\/figure>\n\n\n\n<p>+ Network3<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"718\" height=\"168\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7c.png\" alt=\"\" class=\"wp-image-12947\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7c.png 718w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7c-300x70.png 300w\" sizes=\"auto, (max-width: 718px) 100vw, 718px\" \/><\/figure>\n\n\n\n<p>+ Network4<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"760\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7d.png\" alt=\"\" class=\"wp-image-12948\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7d.png 682w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles7d-269x300.png 269w\" sizes=\"auto, (max-width: 682px) 100vw, 682px\" \/><\/figure>\n\n\n\n<p>#<em> Video simulation program<\/em> <\/p>\n\n\n\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HgzgbG55PT4\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n\n\n\n<ul class=\"wp-block-list\"><li><em>Practical Exercises <\/em>8 : <strong>Control the product packaging line<\/strong><\/li><\/ul>\n\n\n\n<p>A packaging line of 10 products for a container of 1 M1 conveyor, 1 S4 sensor for product counting. Operate according to the following principle<\/p>\n\n\n\n<p>+ Press the S1 button to convey the product transport operation into the box. S4 sensor counts all 10 conveyor products will stop and operate again after 5 seconds<\/p>\n\n\n\n<p>+ Press S2 button conveyor stops after packing enough 10 products into the box<\/p>\n\n\n\n<p>+ Press the S3 button and the system stops immediately and only works again when the S1 button is pressed<\/p>\n\n\n\n<p><em># Simulation diagram<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"830\" height=\"778\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8.png\" alt=\"\" class=\"wp-image-12954\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8.png 830w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8-300x281.png 300w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8-768x720.png 768w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8-810x759.png 810w\" sizes=\"auto, (max-width: 830px) 100vw, 830px\" \/><\/figure>\n\n\n\n<p><em># The table specifies the address<\/em>  <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"209\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8e.png\" alt=\"\" class=\"wp-image-12955\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8e.png 525w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8e-300x119.png 300w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<p><em># PLC program<\/em>  <\/p>\n\n\n\n<p>+ Network1<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"201\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8a.png\" alt=\"\" class=\"wp-image-12956\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8a.png 710w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8a-300x85.png 300w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><\/figure>\n\n\n\n<p>+ Network2<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"176\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8b.png\" alt=\"\" class=\"wp-image-12957\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8b.png 682w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8b-300x77.png 300w\" sizes=\"auto, (max-width: 682px) 100vw, 682px\" \/><\/figure>\n\n\n\n<p>+ Network3<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"691\" height=\"175\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8c.png\" alt=\"\" class=\"wp-image-12958\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8c.png 691w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8c-300x76.png 300w\" sizes=\"auto, (max-width: 691px) 100vw, 691px\" \/><\/figure>\n\n\n\n<p>+ Network4<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"371\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8d.png\" alt=\"\" class=\"wp-image-12959\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8d.png 768w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles8d-300x145.png 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p>#<em> Video simulation program<\/em>  <\/p>\n\n\n\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/byUACb3UTBU\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n\n\n\n<ul class=\"wp-block-list\"><li><em>Practical Exercises 9 <\/em>: <strong>Control traffic lights with pedestrians crossing the road<\/strong><\/li><\/ul>\n\n\n\n<p>In normal state, the Green-Car and Red-Walk lights are always on . When pedestrians press the button, go to the car, the green light continues to light for 15 seconds, then turn on the yellow light 3 seconds and then the red light 14 seconds. Along with that, after pressing the way button, the green light for pedestrians lights after 20 seconds for 10 seconds<\/p>\n\n\n\n<p>+ The process is described with the following timeline :<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"814\" height=\"824\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9.png\" alt=\"\" class=\"wp-image-12966\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9.png 814w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9-296x300.png 296w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9-768x777.png 768w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9-65x65.png 65w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9-810x820.png 810w\" sizes=\"auto, (max-width: 814px) 100vw, 814px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"827\" height=\"583\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles90.png\" alt=\"\" class=\"wp-image-12968\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles90.png 827w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles90-300x211.png 300w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles90-768x541.png 768w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles90-810x571.png 810w\" sizes=\"auto, (max-width: 827px) 100vw, 827px\" \/><\/figure>\n\n\n\n<p><em># The table specifies the address<\/em> <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"522\" height=\"226\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9e.png\" alt=\"\" class=\"wp-image-12967\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9e.png 522w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9e-300x130.png 300w\" sizes=\"auto, (max-width: 522px) 100vw, 522px\" \/><\/figure>\n\n\n\n<p><em># PLC program<\/em> <\/p>\n\n\n\n<p>+ Network1<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"769\" height=\"396\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9a.png\" alt=\"\" class=\"wp-image-12969\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9a.png 769w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9a-300x154.png 300w\" sizes=\"auto, (max-width: 769px) 100vw, 769px\" \/><\/figure>\n\n\n\n<p>+ Network2<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"766\" height=\"371\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9b.png\" alt=\"\" class=\"wp-image-12970\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9b.png 766w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9b-300x145.png 300w\" sizes=\"auto, (max-width: 766px) 100vw, 766px\" \/><\/figure>\n\n\n\n<p>+ Network3<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"769\" height=\"471\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9c.png\" alt=\"\" class=\"wp-image-12972\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9c.png 769w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9c-300x184.png 300w\" sizes=\"auto, (max-width: 769px) 100vw, 769px\" \/><\/figure>\n\n\n\n<p>+ Network4<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"765\" height=\"223\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9d.png\" alt=\"\" class=\"wp-image-12973\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9d.png 765w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles9d-300x87.png 300w\" sizes=\"auto, (max-width: 765px) 100vw, 765px\" \/><\/figure>\n\n\n\n<p>#<em> Video simulation program<\/em> <\/p>\n\n\n\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/crvDzQNEeJE\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n\n\n\n<ul class=\"wp-block-list\"><li><em>Practical Exercises 10 <\/em>: <strong>Control traffic lights at the intersection<\/strong><\/li><\/ul>\n\n\n\n<p>The traffic light system operates at the crossroads according to the following principles :<\/p>\n\n\n\n<p>+ Press button S1 system operation, press button S2 system stops<\/p>\n\n\n\n<p>+ The indicator lights operate according to the time scheme as shown below<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"798\" height=\"860\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10g.png\" alt=\"\" class=\"wp-image-12977\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10g.png 798w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10g-278x300.png 278w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10g-768x828.png 768w\" sizes=\"auto, (max-width: 798px) 100vw, 798px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"1024\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10f-865x1024.png\" alt=\"\" class=\"wp-image-12978\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10f-865x1024.png 865w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10f-253x300.png 253w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10f-768x910.png 768w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10f-810x959.png 810w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10f.png 976w\" sizes=\"auto, (max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<p><em># The table specifies the address<\/em> <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"311\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10e.png\" alt=\"\" class=\"wp-image-12979\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10e.png 525w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10e-300x178.png 300w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<p><em># PLC program<\/em> <\/p>\n\n\n\n<p>+ Network1<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"398\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10a.png\" alt=\"\" class=\"wp-image-12980\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10a.png 768w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10a-300x155.png 300w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10a-375x195.png 375w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p>+ Network2<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"729\" height=\"422\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10b.png\" alt=\"\" class=\"wp-image-12981\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10b.png 729w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10b-300x174.png 300w\" sizes=\"auto, (max-width: 729px) 100vw, 729px\" \/><\/figure>\n\n\n\n<p>+ Network3<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"766\" height=\"670\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10c.png\" alt=\"\" class=\"wp-image-12982\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10c.png 766w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10c-300x262.png 300w\" sizes=\"auto, (max-width: 766px) 100vw, 766px\" \/><\/figure>\n\n\n\n<p>+ Network4<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"665\" src=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10d.png\" alt=\"\" class=\"wp-image-12983\" srcset=\"https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10d.png 768w, https:\/\/plc4me.com\/wp-content\/uploads\/2020\/02\/plc4meladderles10d-300x260.png 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p>#<em> Video simulation program<\/em> <\/p>\n\n\n\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/GfiO-4hMcIw\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n\n\n\n<p>Thanks for reading .<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Continue with the practice series on the Ladder language . >>> You can see Lesson1 : Views Here Today I continue to share to you the next 5 exercises Practical Exercises 6 : 3 Conveyor Control # 3 conveyor system works with the following sequence : + When the S1 button M1 conveyor button is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12977,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1855],"tags":[1890],"yst_prominent_words":[2146,2158,2188,2184,2175,2181,2086,2053,2180,2190,2189,145,2176,2089,2084,2085,2083,2191,2088,2087],"class_list":["post-11909","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-basic-of-plc","tag-basic-of-plc"],"_links":{"self":[{"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/posts\/11909","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/comments?post=11909"}],"version-history":[{"count":2,"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/posts\/11909\/revisions"}],"predecessor-version":[{"id":12986,"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/posts\/11909\/revisions\/12986"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/media\/12977"}],"wp:attachment":[{"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/media?parent=11909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/categories?post=11909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/tags?post=11909"},{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/plc4me.com\/wp-json\/wp\/v2\/yst_prominent_words?post=11909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}