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Changes for page 05 Lua Script

Last modified by Devin Chen on 2025/03/04 14:07
From version 56.1
edited by Hunter
on 2024/07/18 18:39
Change comment: There is no comment for this version
To version 46.1
edited by Hunter
on 2023/08/12 19:25
Change comment: There is no comment for this version

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545 545  (% style="text-align:center" %)
546 546  [[image:celllocation.png]]
547 547  
548 -= 18 How to convert a number to a string =
549 -
550 -The example shows how to convert a number to a string using the "tostring()" function.
551 -
552 -[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Number%20to%20string.zip]]
553 -
554 -Note:This demo converts a 64-bit floating to a string,you can change the data format of "@W_HDW0" depand on requirements
555 -
556 -The core code is from file convert.lua:
557 -
558 -(% style="text-align:center" %)
559 -[[image:convert.lua.png]]
560 -
561 -The HMI offline simulator result:
562 -
563 -(% style="text-align:center" %)
564 -[[image:Converttestdisplay.png]]
565 -
566 -= 19 HUAWEI CLOUD & OpenCloud =
567 -
568 -About the details, please check the powerpoint or video of Lua MQTT & OpenCloud [[Jump To>>doc:PIStudio.Download.1 Manual.WebHome]]
569 -
570 -[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/HuaweiMQ%281%29.zip]]
571 -
572 -= 20 UDP Multicast =
573 -
574 -The example shows how to use UDP multicast feature to send and receive data.
575 -
576 -[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/UDP%20Multicast.zip]]
577 -
578 -About the details, please check the [[UDP module>>https://docs.we-con.com.cn/bin/view/PIStudio/09%20Lua%20Editor/Lua%20Script/#HUDPmodule-1]]
579 -
580 -= 21 ATC module **send SMS** =
581 -
582 -The example shows how to use HMI to customize communication with the ATC SMS module via Lua script to send SMS.
583 -
584 -[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/SMS.zip]]
585 -
586 -= 22 TCP Client =
587 -
588 -The example shows how to use the Lua Socket TCP module to connect with a TCP server.
589 -
590 -[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/TCP_Client.zip]]
591 -
592 -~1. Set the initial values of Server IP and port number.
593 -
594 -(% style="text-align:center" %)
595 -[[image:vcbt6CE6EL.png]]
596 -
597 -2. Set the actual receive length of TCP message according to the actual needs.
598 -
599 -(% style="text-align:center" %)
600 -[[image:tPN1mbz7ny.png]]
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