Because of the only build-in solution to get the datalog-files of a Siemens S7-1200 is through the webservice, I wrote a script that automatically
download all datalogs. ‘Additional the script can delete all log files of the machine with a parameter switch.

The first step of the script is to login in to the webservice to create an actually cookie with the tool wget. With the session IDs I can get all available datalogs and start the download with the help of curl.

The script is not verfy flexibel, so you have to change a few lines to environment.

First install GnuWin32 -> to get wget for Windows. Download

Copy all files to C:\Curlwget\

Open the script with any editor and change the IP-Adresses:

Also change the path where the datalog files will be saved:
Line 36 “\\server\share\”

To automatically download the files create a task in the Taskplaner:
Programm/script: powershell.exe
Add arguments (Optional): -command “& ‘C:\Curlwget\Download.ps1′
Start in (optional): C:\Curlwget

To delete all log files, run the script with the parameter -loeschen.

That’s it.


write-host $loeschen
(C:\Curlwget\GnuWin32\bin\wget --user-agent=Mozilla --no-check-certificate --cookies=on --save-cookies C:\Curlwget\cookies.txt --keep-session-cookies --post-data "Login=rc&Password=rc"
Remove-Item "C:\Curlwget\Default.mwsl"

$ad_secure_session = Get-content C:\Curlwget\cookies.txt | select-string -Pattern siemens_ad_secure_session
$ad_session = Get-content C:\Curlwget\cookies.txt | select-string -Pattern siemens_ad_session

$ad_secure_session = $ad_secure_session.toString().SubString(54)
$ad_session = $ad_session.toString().SubString(48)
write-host C:\Curlwget\curl.exe "" -H "Cookie: siemens_automation_language=de; siemens_ad_session=$ad_session; siemens_ad_secure_session=$ad_secure_session" --compressed --insecure
$output = (C:\Curlwget\curl.exe "" -H "Cookie: siemens_automation_language=de; siemens_ad_session=$ad_session; siemens_ad_secure_session=$ad_secure_session" --compressed --insecure) | Out-String

$anfang = Select-String "<input type='hidden' name='OldName' value='" -input $output -AllMatches
$ende = Select-String "csv'>" -input $output -AllMatches

$dateien = @()
for($i=0;$i -ne $anfang.matches.count;$i++)
	$temp = $ende.matches.index[$i] - $anfang.matches.index[$i]
	$dateien += $output.Substring($anfang.matches.index[$i]+43,$temp-40)


$dateien | foreach-object{
if($_ -ne "Vorlage44.csv") {
(C:\Curlwget\curl.exe "$_&x=9&y=5" -H "Referer:" -H "Cookie: siemens_automation_language=de; siemens_ad_session=$ad_session; siemens_ad_secure_session=$ad_secure_session" -H "Connection: keep-alive" --compressed --insecure)
#Dateien löschen
$dateien | foreach-object{
(C:\Curlwget\curl.exe "$_" -H "Referer:" -H "Cookie: siemens_automation_language=de; siemens_ad_session=$ad_session; siemens_ad_secure_session=$ad_secure_session" -H "Connection: keep-alive" --compressed --insecure --output "\\server\share\$_")


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3 Kommentare für “Siemens Simatic S7-1200 download Datalog files automatically”

  1. Hallo,

    läuft leider nicht , steigt beim analysieren der Webpage aus:

    <script src…" wird analysiert – Geschachtelter Quantifizierer +.
    Bei C:\Curlwget\Download.ps1:29 Zeichen:24
    + $anfang = Select-String <<<< "<input type='hidden' name='OldName' value='' -input $output -AllMatches
    + CategoryInfo : NotSpecified: (:) [Select-String], ArgumentException
    + FullyQualifiedErrorId : System.ArgumentException,Microsoft.PowerShell.Commands.SelectStringCommand

    12.08.2016 um 10:01

  2. Hallo,

    bitte das Skript mit Powershell V4 ausführen.
    Dann sollte es eigentlich funktionieren.


    30.08.2016 um 14:22

  3. Hello,

    On line 3 in the script: (C:\Curlwget\GnuWin32\bin\wget…

    HTTP request sent, awaiting response… 400 BAD REQUEST
    2018-09-08 12:20:33 ERROR 400: BAD REQUEST.

    Any idea? Do i have to change anything else than IP address?

    06.09.2018 um 16:24

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