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Changes for page 05 Lua Script

Last modified by Devin Chen on 2025/03/04 14:07
From version 42.1
edited by Hunter
on 2023/07/31 17:34
Change comment: There is no comment for this version
To version 57.2
edited by Joe
on 2024/09/06 10:53
Change comment: There is no comment for this version

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1 +XWiki.joe
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38 38  
39 39  The example shows how the to establish the FTP server at WIN10 OS and make the HMI as FTP client.
40 40  
41 -[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/FTP%20Client.zip]]
41 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/FTP%20ClientV2.zip]]
42 42  
43 43  ~1. About how to set up the FTP server in Windows PC: **[[Build an FTP Site on IIS>>https://docs.microsoft.com/en-us/iis/publish/using-the-ftp-service/scenario-build-an-ftp-site-on-iis]] **,** [[How to set up and manage an FTP server on Windows 10>>https://www.windowscentral.com/how-set-and-manage-ftp-server-windows-10]]**
44 44  
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67 67  (% style="text-align:center" %)
68 68  [[image:LuaFTPDemoInitial.png]]
69 69  
70 +(% class="box infomessage" %)
71 +(((
70 70  ✎Note: If want to confirm whether it is downloaded successfully, please add a File list object to check in HMI project. If saved path is root path (same to the all three drive), please set the folder as "~/~/".
73 +)))
71 71  
72 72  (% style="text-align:center" %)
73 73  [[image:LuaFTPDemoFilelist.png]]
74 74  
78 +**Common error：**
79 +
80 + In the demo project, if there are some errors in HMI for testing, please check the following steps.
81 +
82 +Error 1: 550 Access is denied
83 +
84 +
85 +(% style="text-align:center" %)
86 +[[image:qCzqnKTUhp.png]]
87 +
88 +(% style="text-align:center" %)
89 +[[image:vfrt3NElMX.png]]
90 +
91 +(% style="text-align:center" %)
92 +[[image:dAuz25bdvM.png]]
93 +
94 +(% style="text-align:center" %)
95 +[[image:rxQIJkX8ll.png]]
96 +
97 +(% style="text-align:center" %)
98 +[[image:vmG8WGu5P2.png]]
99 +
75 75  = **8 Telegram Notification** =
76 76  
77 77  The example shows how to use Bot API to push the notification to channel or group of Telegram. Please change the Token and Chat id to users' own one.
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529 529  
530 530  [[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/csvRead.zip]]
531 531  
532 -The core code is from file readcsv.lua, and file path is set as Sheet_2023_06_13_15_29_45.csv at the root path for USB.
557 +The core code is from file readcsv.lua:
533 533  
534 -1) The reading content is a two-dimensional table, can use the table index to lacate the specify data cell;
559 +1) The file path is set as Sheet_2023_06_13_15_29_45.csv at the root path for USB;
535 535  
536 536  2) Remember to change csv separator in the second parameter from function csv_csvToTable according to user's need, this demo is using **semicolon** as separator;
537 537  
538 538  (% style="text-align:center" %)
539 539  [[image:CSVreadwithsemicolon.png]]
565 +
566 +3) The reading content is a two-dimensional table, can use the table index to locate the specify data cell;
567 +
568 +For example, want to read the 2nd row C column from the table, the table index will be like table[2][3].
569 +
570 +(% style="text-align:center" %)
571 +[[image:celllocation.png]]
572 +
573 += 18 How to convert a number to a string =
574 +
575 +The example shows how to convert a number to a string using the "tostring()" function.
576 +
577 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Number%20to%20string.zip]]
578 +
579 +Note:This demo converts a 64-bit floating to a string,you can change the data format of "@W_HDW0" depand on requirements
580 +
581 +The core code is from file convert.lua:
582 +
583 +(% style="text-align:center" %)
584 +[[image:convert.lua.png]]
585 +
586 +The HMI offline simulator result:
587 +
588 +(% style="text-align:center" %)
589 +[[image:Converttestdisplay.png]]
590 +
591 += 19 HUAWEI CLOUD & OpenCloud =
592 +
593 +About the details, please check the powerpoint or video of Lua MQTT & OpenCloud [[Jump To>>doc:PIStudio.Download.1 Manual.WebHome]]
594 +
595 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/HuaweiMQ%281%29.zip]]
596 +
597 += 20 UDP Multicast =
598 +
599 +The example shows how to use UDP multicast feature to send and receive data.
600 +
601 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/UDP%20Multicast.zip]]
602 +
603 +About the details, please check the [[UDP module>>https://docs.we-con.com.cn/bin/view/PIStudio/09%20Lua%20Editor/Lua%20Script/#HUDPmodule-1]]
604 +
605 += 21 ATC module **send SMS** =
606 +
607 +The example shows how to use HMI to customize communication with the ATC SMS module via Lua script to send SMS.
608 +
609 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/SMS.zip]]
610 +
611 += 22 TCP Client =
612 +
613 +The example shows how to use the Lua Socket TCP module to connect with a TCP server.
614 +
615 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/TCP%20ClientV1.1.zip]]
616 +
617 +~1. Set the initial values of Server IP and port number.
618 +
619 +(% style="text-align:center" %)
620 +[[image:vcbt6CE6EL.png]]
621 +
622 +2. Set the actual receive length of TCP message according to the actual needs.
623 +
624 +(% style="text-align:center" %)
625 +[[image:tPN1mbz7ny.png]]
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