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Changes for page 05 Lua Script

Last modified by Hunter on 2026/10/14 19:50
From version 16.1
edited by Joe
on 2026/09/30 17:20
Change comment: There is no comment for this version
To version 24.1
edited by Hunter
on 2026/10/14 19:32
Change comment: There is no comment for this version

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753 753  
754 754  This example shows how to obtain data records for a certain time period and display them at an address. Please note that  use PI version 10.6.45.26070101 or higher to open the project.
755 755  [[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Data%20record%20query.zip]]
756 +
757 +
758 += 34 Ethernet A4 Printer =
759 +
760 +This example shows how to print A4 report paper directly from an HMI via TCP/IP, which is not required any PC software tool. [[Jump to Video>>https://youtu.be/IZoOoRefJc8]]
761 +
762 +{{warning}}
763 +Please prioritize printers that support **PCL5**.
764 +{{/warning}}
765 +
766 +**Common PCL5 Commands**
767 +
768 +{{code language="lua"}}
769 +--Set text position and content
770 +local sample = "\x1B*p1000x1000YHelloWorld"
771 +{{/code}}
772 +
773 +{{code language="lua"}}
774 +-- Set font size to 12 pt
775 +local fontSize = "\x1B(s12V"
776 +{{/code}}
777 +
778 +{{code language="lua"}}
779 +-- Set print direction to 0 degrees
780 +local direction = "\x1B&a0P"
781 +{{/code}}
782 +
783 +{{code language="lua"}}
784 +--Restore default drawing logic
785 +local defaultLogic = "\x1B*l252O"
786 +{{/code}}
787 +
788 +{{code language="lua"}}
789 +--New page feed output
790 +local formFeed = "\x0C"
791 +{{/code}}
792 +
793 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/PrinterTCPSocket.zip]]
794 +
795 += 35 SFTP Client(PI 11.4) =
796 +
797 +This example shows how to set up the SSH connection between HMI and server, and upload or download the file. **This function only works on PIStudio version 11.4 or above and PI8000ig or PI9000ig HMI.**
798 +
799 +{{info}}
800 +Refer to the Microsoft official guide for installing and enabling OpenSSH Server on Windows using PowerShell: [[Get started with OpenSSH Server for Windows ~| Microsoft Learn>>https://learn.microsoft.com/en-us/windows-server/administration/openssh/openssh_install_firstuse?tabs=gui&pivots=windows-server-2025]]
801 +
802 +**Make sure TCP port 22 is not occupied by another SSH server, such as Bitvise SSH Server.**
803 +{{/info}}
804 +
805 +~1. Run PowerShell as administrator. Enter Get-Service sshd in the PowerShell window. If the status is Stopped, enter Start-Service sshd to start the service.
806 +
807 +{{code language="powershell"}}
808 +Get-Service sshd
809 +Start-Service sshd
810 +{{/code}}
811 +
812 +(% style="text-align:center" %)
813 +[[image:checkstatusSSH.png]]
814 +
815 +{{info}}
816 +If the SSH connection cannot be established, check and adjust the firewall’s inbound and outbound rules. Enter following command in powershell
817 +{{/info}}
818 +
819 +{{code language="powershell"}}
820 +New-NetFirewallRule -Name "Allow-SSH-LAN" -DisplayName "Allow SSH from LAN" -Direction Inbound -Protocol TCP -LocalPort 22 -RemoteAddress 192.168.80.0/24 -Action Allow -Profile Private
821 +{{/code}}
822 +
823 +2. Change the server IP, username and password.
824 +
825 +(% style="text-align:center" %)
826 +[[image:SSH1.png]]
827 +
828 +2. Change the server file path and HMI file path as user wanted.
829 +
830 +(% style="text-align:center" %)
831 +[[image:E2.png]]
832 +
833 +3. Click the Copy to copy the file into flash(user:) path from the pen drive path, then click SFTP connect, click Upload or Download button.
834 +
835 +{{warning}}
836 +File operations are only supported under the "user:" path for the moment.
837 +{{/warning}}
838 +
839 +(% style="text-align:center" %)
840 +[[image:sf.png]]
841 +
842 +4.
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