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Changes for page 05 Lua Script

Last modified by Hunter on 2026/11/02 18:50
From version 34.4
edited by Hunter
on 2026/11/02 16:55
Change comment: There is no comment for this version
To version 25.1
edited by Hunter
on 2026/10/14 19:44
Change comment: There is no comment for this version

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726 726  
727 727  = 29 Graphics Drawing =
728 728  
729 -This demo shows how to draw static graphics, such as a snowflake and a star, on the HMI screen using Lua custom object.
730 -The drawing coordinate data can come from HMI internal registers or external PLC registers.
731 -This demo does not demonstrate dynamic path updates or motion animation. For dynamic trajectory visualization, refer to the [[Lua curve>>doc:PIStudio.09 Lua Editor.Lua Script.WebHome||anchor="HCurveDrawing28Experimental29"]].
732 -
729 +The example shows drawing a snow and a star on the HMI screen with drawing function from Lua Script.Please note that  use PI version 10.6 or higher to open the project.
733 733  [[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Graphics%20Drawing.pi2]]
734 734  
735 735  
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847 847  (% style="text-align:center" %)
848 848  [[image:8217Wc3rju.png]]
849 849  
850 -[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/SFTP%20Client.zip]]
851 -
852 -= 36 Wechat Official Account Notification Push =
853 -
854 -This example shows how to set up the Wechat official account sandbox to test the alarm push.
855 -
856 -[[Wechat Official Platform Sandbox>>https://mp.weixin.qq.com/debug/cgi-bin/sandboxinfo?action=showinfo&t=sandbox/index]]
857 -
858 -To register a formal WeChat Official Account, please forward to:
859 -
860 -[[Weixin Official Accounts Platform>>url:https://mp.weixin.qq.com/]]
861 -
862 -~1. Login into the platform, and user can see the appID and appSecret, copy them for the further use.
863 -
864 -(% style="text-align:center" %)
865 -[[image:wechataccount.png]]
866 -
867 -2. User can scan the QR code on the left side to subscribe push notifications. And copy the Wechat ID.
868 -
869 -(% style="text-align:center" %)
870 -[[image:wechatID.png]]
871 -
872 -3. Click [Add test template] to create a new notification template.
873 -
874 -(% style="text-align:center" %)
875 -[[image:wechatTempalte.png]]
876 -
877 -4. Enter the title and content, then click submission, the content must follow this format: text: ~{~{text.DATA}}
878 -
879 -For example, use Alarm: ~{~{Alarm.DATA}}. For multiple lines, format the content as follows:
880 -
881 -{{code language="lua"}}
882 -Device: {{Device.DATA}}
883 -Alarm: {{Alarm.DATA}}
884 -Time: {{Time.DATA}}
885 -{{/code}}
886 -
887 -(% style="text-align:center" %)
888 -[[image:wechatTempalteConten2.png]]
889 -
890 -5. After the template is created, copy the template ID.
891 -
892 -(% style="text-align:center" %)
893 -[[image:wechatCopyTempalte.png]]
894 -
895 -6. Paste all these IDs(appID, appSecret, wechatID and templateID) into the lua script.
896 -
897 -(% style="text-align:center" %)
898 -[[image:wechatscriptcopyID.png]]
899 -
900 -7. Trigger the alarm condition, and user will receive an alarm notification from the WeChat Official Account.
901 -
902 -(% style="text-align:center" %)
903 -[[image:WechatResultResize.jpg]]
904 -
905 -[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/WechatAlarmPushNotify.zip]]
906 -
907 -= 37 Discord Bot API Notification =
908 -
909 -This example shows how to set up the Discord bot and send the alarm push.
910 -
911 -[[My Applications ~| Discord Developer Portal>>url:https://discord.com/developers/applications]]
912 -
913 -About how to create a Discord bot, please refer to [[Building your first Discord Bot - Documentation - Discord>>url:https://docs.discord.com/developers/quick-start/getting-started]]
914 -
915 -About how to send new message to channel, please refer to [[Message Resource - Documentation - Discord>>url:https://docs.discord.com/developers/resources/message#create-message]]
916 -
917 -~1. Go to the Discord Developer Portal to create new application
918 -
919 -(% style="text-align:center" %)
920 -[[image:Discord1.png]]
921 -
922 -2. Enter the application name, check the box to accept Discord’s terms, and click [Create]
923 -
924 -(% style="text-align:center" %)
925 -[[image:Discord2.png]]
926 -
927 -3. Click [Reset Token] to generate a new token, copy it for further use
928 -
929 -(% style="text-align:center" %)
930 -[[image:Discord3.png]]
931 -
932 -(% style="text-align:center" %)
933 -[[image:Discord4.png]]
934 -
935 -4. Set the bot permissions to allow it to at least send messages in the Discord channel, check options of [Send Messages] and [View Channels]
936 -
937 -(% style="text-align:center" %)
938 -[[image:Discord10.png]]
939 -
940 -5.
847 +Download link
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