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Changes for page 05 Lua Script

Last modified by Devin Chen on 2025/03/04 14:07
From version 41.1
edited by Hunter
on 2023/07/31 17:06
Change comment: There is no comment for this version
To version 58.2
edited by Joe
on 2024/09/06 11:14
Change comment: There is no comment for this version

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1 -XWiki.Hunter
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 +Open Windows Settings → Update & Security→ Windows Security→ Firewall & network protection→ Advanced setting→ Inbound Rules→ New Rules→ Next → choose "This program path"→ input ‘’C:\Windows\System32\svchost.exe‘’→ Click “NEXT” continuously
85 +
86 +(% style="text-align:center" %)
87 +[[image:qCzqnKTUhp.png]]
88 +
89 +(% style="text-align:center" %)
90 +[[image:vfrt3NElMX.png]]
91 +
92 +(% style="text-align:center" %)
93 +[[image:dAuz25bdvM.png]]
94 +
95 +(% style="text-align:center" %)
96 +[[image:rxQIJkX8ll.png]]
97 +
98 +(% style="text-align:center" %)
99 +[[image:vmG8WGu5P2.png]]
100 +
101 +
102 +Error 2: No route to host
103 +
104 +The previous steps are the same as Error 1 → Port → specific local ports→ input port number “21”→ Click “NEXT” continuously
105 +
106 +(% style="text-align:center" %)
107 +[[image:fdsxie8WHc.png]]
108 +
109 +(% style="text-align:center" %)
110 +[[image:4ALQq7niTV.png]]
111 +
112 +
113 +
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.
571 +The core code is from file readcsv.lua:
533 533  
573 +1) The file path is set as Sheet_2023_06_13_15_29_45.csv at the root path for USB;
574 +
575 +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;
576 +
534 534  (% style="text-align:center" %)
535 -[[image:luacsvfilereadcontent.png]]
578 +[[image:CSVreadwithsemicolon.png]]
579 +
580 +3) The reading content is a two-dimensional table, can use the table index to locate the specify data cell;
581 +
582 +For example, want to read the 2nd row C column from the table, the table index will be like table[2][3].
583 +
584 +(% style="text-align:center" %)
585 +[[image:celllocation.png]]
586 +
587 += 18 How to convert a number to a string =
588 +
589 +The example shows how to convert a number to a string using the "tostring()" function.
590 +
591 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Number%20to%20string.zip]]
592 +
593 +Note:This demo converts a 64-bit floating to a string,you can change the data format of "@W_HDW0" depand on requirements
594 +
595 +The core code is from file convert.lua:
596 +
597 +(% style="text-align:center" %)
598 +[[image:convert.lua.png]]
599 +
600 +The HMI offline simulator result:
601 +
602 +(% style="text-align:center" %)
603 +[[image:Converttestdisplay.png]]
604 +
605 += 19 HUAWEI CLOUD & OpenCloud =
606 +
607 +About the details, please check the powerpoint or video of Lua MQTT & OpenCloud [[Jump To>>doc:PIStudio.Download.1 Manual.WebHome]]
608 +
609 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/HuaweiMQ%281%29.zip]]
610 +
611 += 20 UDP Multicast =
612 +
613 +The example shows how to use UDP multicast feature to send and receive data.
614 +
615 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/UDP%20Multicast.zip]]
616 +
617 +About the details, please check the [[UDP module>>https://docs.we-con.com.cn/bin/view/PIStudio/09%20Lua%20Editor/Lua%20Script/#HUDPmodule-1]]
618 +
619 += 21 ATC module **send SMS** =
620 +
621 +The example shows how to use HMI to customize communication with the ATC SMS module via Lua script to send SMS.
622 +
623 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/SMS.zip]]
624 +
625 += 22 TCP Client =
626 +
627 +The example shows how to use the Lua Socket TCP module to connect with a TCP server.
628 +
629 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/TCP%20ClientV1.1.zip]]
630 +
631 +~1. Set the initial values of Server IP and port number.
632 +
633 +(% style="text-align:center" %)
634 +[[image:vcbt6CE6EL.png]]
635 +
636 +2. Set the actual receive length of TCP message according to the actual needs.
637 +
638 +(% style="text-align:center" %)
639 +[[image:tPN1mbz7ny.png]]
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