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Changes for page 05 Lua Script

Last modified by Devin Chen on 2025/03/04 14:07
From version 49.1
edited by Devin Chen
on 2023/08/17 18:36
Change comment: There is no comment for this version
To version 58.1
edited by Joe
on 2024/09/06 10:58
Change comment: There is no comment for this version

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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]]
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92 +(% style="text-align:center" %)
93 +[[image:dAuz25bdvM.png]]
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98 +(% style="text-align:center" %)
99 +[[image:vmG8WGu5P2.png]]
100 +
101 +
102 +
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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551 551  
552 552  [[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Number%20to%20string.zip]]
553 553  
554 -Note:This demo converts a 64-bit floating to a string,you can change the data format depand on requirements
582 +Note:This demo converts a 64-bit floating to a string,you can change the data format of "@W_HDW0" depand on requirements
555 555  
556 556  The core code is from file convert.lua:
557 557  
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562 562  
563 563  (% style="text-align:center" %)
564 564  [[image:Converttestdisplay.png]]
593 +
594 += 19 HUAWEI CLOUD & OpenCloud =
595 +
596 +About the details, please check the powerpoint or video of Lua MQTT & OpenCloud [[Jump To>>doc:PIStudio.Download.1 Manual.WebHome]]
597 +
598 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/HuaweiMQ%281%29.zip]]
599 +
600 += 20 UDP Multicast =
601 +
602 +The example shows how to use UDP multicast feature to send and receive data.
603 +
604 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/UDP%20Multicast.zip]]
605 +
606 +About the details, please check the [[UDP module>>https://docs.we-con.com.cn/bin/view/PIStudio/09%20Lua%20Editor/Lua%20Script/#HUDPmodule-1]]
607 +
608 += 21 ATC module **send SMS** =
609 +
610 +The example shows how to use HMI to customize communication with the ATC SMS module via Lua script to send SMS.
611 +
612 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/SMS.zip]]
613 +
614 += 22 TCP Client =
615 +
616 +The example shows how to use the Lua Socket TCP module to connect with a TCP server.
617 +
618 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/TCP%20ClientV1.1.zip]]
619 +
620 +~1. Set the initial values of Server IP and port number.
621 +
622 +(% style="text-align:center" %)
623 +[[image:vcbt6CE6EL.png]]
624 +
625 +2. Set the actual receive length of TCP message according to the actual needs.
626 +
627 +(% style="text-align:center" %)
628 +[[image:tPN1mbz7ny.png]]
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