FAQ
FAQ: The standard setting for "Graphics quality" in the projects "Graphical design" properties with zenon is set to "DirectX Hardware"! What does this mean especially for older hardware? When I am assumed to use "DirectX Hardware", "DirectX Software" or "Windows Basis"?
For a detailed description of DirectX and its implementation in zenon please check out the documents attached (available in English and German).
FAQ: What are Installation and Security considerations of the zenon Smart Server and Smart Client?
The attached document (English only) describes in some detail the specifics of the zenon Smart Server Application and the zenon Smart Client Application. Also a short explanation of security features and components is given. More information about ...
FAQ: What can I do if the Service Engine does not start or is closed with an unhandled exception and the error message "(InitInstance (); an unnamed file has a bad format)" or "Init Instance (): an attempt was made to access an unnamed file past its end" is shown?
This issue may occur due to missing digital certificates on the system where the error appears. Microsoft Windows implements a mechanism that automatically downloads, over the internet, trusted root certificate authorities, which are not installed ...
FAQ: What can I do when I get the message that the password.cmp of my project has the wrong project version. ''Password.cmp has version number 0.00 SP0 - but the project has version number 7.xx SP0)!''
Password.cmp having version 0 indicates that this file is corrupt. Mostly this happens if the zenon computer is switched off by interrupting the power supply but not shutting down the system proper. As zenon runs on Windows systems it is needed to ...
FAQ: What can I do when I run into a timeout while creating a project backup?
In the zenon6.ini file it is possible to define timeouts for database access and for backup creation. Maybe the default configuration is too low. This could happen when backing up more complex projects or if the project includes many graphics and ...
FAQ: Where can I find the XML device profile for COPA-DATA DNP3 drivers?
What is a DNP3 XML device profile? Where can I find the XML device profile for one of the following drivers? DNP3_TG - Subset Level 1,2,3 and 4 for both requests and responses, DNP3 Master driver for zenon Service Engine AccessDNP3_SG - Subset Level ...
FAQ: What is the difference between the Report Viewer and the zenon Reporting Studio?
A detailed description of the differences can be found in the attached PDF documents (English and German). The description is based on zenon Supervisor 7.50 and zenon Analyzer 3.00.
FAQ: What is the difference between the zenon Report Generator and the zenon Report Viewer?
The zenon Report Generator and Report Viewer combine to make up the module "zenon Reporting". The Report Generator, Report Viewer, or both styles can be used in your zenon HMI/SCADA projects. Each style has its own advantages and compliments ...
FAQ: What is the time zone and time format used in zenon Software Platform products and what needs to be considered?
When you ask someone what the time is, they'll usually be able to tell you. But when you ask them what date and time sunrise was yesterday in a different country on a different continent, in a different hemisphere it gets less easy. Terms like GMT ...
FAQ: Are products in the zenon product family affected by the Log4j security vulnerability registered with CVE-2021-44228?
No, core products in the zenon product family are not based on Java and do not make use of the Log4j library. Additional information can be found in the information report.
FAQ: What to do when antivirus software identifies one or more zenon application files as a threat?
Antivirus software has the challenging task of identifying malware infected files from a large total number of files on computer systems. No antivirus software will identify all current and past computer malware with a 100% detection rate. Sometimes ...
FAQ: What SQL server interfaces are offered by zenon?
The most common ones are: The zenon Historian The Extended Trend The zenon Report Generator The zenon Report Engine The zenon SQL export functions The zenon SQL Driver and The zenon Process Gateway SQL module All these modules depend on an ODBC / ...
FAQ: When I activate the option "write synchronously" for the Recipegroup manager recipe, and I write the recipe, the recipe does not seem to be written properly and also the Service Engine does not close properly. Why is that?
When the option "write synchronously" is active at a recipe, when writing a recipe (sending values to the PLC) for each recipe variable a writing confirmation is requested to the driver. On a successfull write, the driver sends a writing confirmation ...
FAQ: When I change something in the Recipegroup Manager via the programming interface in Service Engine, these changes are not updated in the screen. Why is that?
To understand this, you have to know that each time you access the RGM (Recipegroup Manager), you are working with a copy of the RGM data. So every screen that is opened in the Service Engine, has it's own copy of the RGM data. Also each instance ...
FAQ: When I print the report or export it to a pdf-document I have page-breaks. It should fit to one A4 paper.
Depending on the output fileformat 2 different rendering engines are used. There exists one for "soft pagebreaks" which is used for html-pages on the monitor. The second rendering engine is for output formats with "hard pagebreaks", that means, that ...
FAQ: When I start my zenon project on a Service Engine client, my AUTOSTART script is not executed. What is the problem?
A "script" in zenon is not a snippet of code as you may think in the traditional sense, but rather a configured collection of zenon functions, executed in order. A common use of a zenon script is to load several screens at project startup, for ...
FAQ: Which browsers can be used for the zenon Smart Client and is NPAPI support required?
The zenon Smart Client is an mainly an ActiveX control and therefore requires NPAPI support. Due to the age of the API and its security issues, major web browser vendors began phasing out the support in 2013. As a result, the use of HTML5 ...
FAQ: Which CSPRNG is used by OpenSSL in zenon, for e.g. TLS communication?
The OpenSSL version used in zenon is the LTS version 1.1.1. On Windows systems OpenSSL in zenon makes use of the Windows Cryptography API: Next Generation (CNG). For generation of random numbers and seeding of the random number generator, ...
FAQ: Which IE version is used by the HTML screen? Which Plugins can be executed?
The HTML-screen created in zenon does not use the default-browser installed on the operating system. It uses the pre-installed rendering-engine of Microsoft, called "Microsoft Web Browser Control". This program emulates the Internet Explorer. ...
FAQ: Why are items and settings of the network topology disappearing when toggling between the project tree and the network topology?
This happens when a virus scanner blocks the *.wsp6 file that is being worked on. To solve this issue, add the project folders to the exceptions of the virus scanner.
FAQ: Why are some elements hidden or displayed incorrectly in the Smart Client?
Display errors in the Service Engine may occur due to the graphic settings of the project. In zenon Version 7.20, many changes considering the DirectX support were made. The following issues may occur: The page appears as blank, no elements are shown ...
FAQ: Why are there small BLUE squares on the dynamic elements in the zenon Service Engine?
Small blue squares on the dynamic elements in zenon Service Engine indicates that there is a network communication problem. For example, if a Service Engine client starts a zenon project, but cannot connect to a zenon Service Engine server, the ...
FAQ: Why are there small RED squares on the dynamic elements in the zenon Service Engine?
Small red squares on the dynamic elements in zenon Service Engine indicate that the INVALID Bit (aka I-Bit) is active for the linked variable. The INVALID Bit is set true automatically by the zenon drivers for variables when there is an underlying ...
FAQ: Why do backups of Service Engine data sometimes fail when the Service Engine is running? Is it actually possible to create a consistent backup when the Service Engine is not closed?
During normal operation, the zenon Service Engine continuously accesses different runtime files for reading and writing. A backup software that attempts to create a backup of a file that is currently accessed by the Service Engine may receive an ...
FAQ: Why do I see „Unknown Product” in the zenon License Manager instead of Editor and Runtime?
The renaming of platform components from zenon Editor to zenon Engineering Studio and from zenon Runtime to zenon Service Engine with zenon version 10 leads to problems with the license view in the License Manager of versions 8.0, 8.10 and 8.20. The ...
FAQ: Why does the HTML5 Web Client disconnect from the session nearly every day, even when the Web Server is always running with a stable connection?
When the HTML5 Web Engine Deployment Tool is used, an Application Pool will be created in the Internet Information Services (IIS) Manager. By default, the WebEngine_zenon5HMTL Application pool will be configured to use recycling every 1740 minutes, ...
FAQ: Will the functionality of using Active Directory users in Service Engine be affected by the Windows Update in March 2020 for the Microsoft Advisory ADV190023?
Tests have demonstrated that the functionality of using Active Directory users in Service Engine is not affected by the changes that are introduced with the update for the advisory. Service Engine uses Windows API functionality for the LDAP ...
FAQ: Windows CE not supported anymore with zenon! What are the main reasons and what do I have to consider? Is zenon not able to run on Windows CE anymore?
The support for zenon Windows CE Versions was frozen with the zenon Version of 7.20. This means that in any higher zenon version, the CE Version delivered with the Setup is a zenon CE Version of zenon 7.20. There are no more functional enhancements ...
FAQ: zenon is also shipped as OEM. Can I install Sicam 230/ Celeste NX / Sprecon 460 / CGision beside zenon on one PC?
Versions from different OEM´s cannot be installed on the same PC. The zenon Setup automatically recognizes an installed OEM version and refuses a further installation. For more information on operation of different zenon OEM versions on one system ...
FAQ: zenon was delivered to me pre-configured on a machine or as a solution, how can I make changes to it?
zenon is a very flexible automation software used in a variety of industries and purposes. Many mechanical engineering companies, machine builders, and system integrators deliver zenon as a standard HMI/SCADA for their machines, or solutions, which ...