Molly Ayala
Schneider Electric offers a range of products and services, including the PowerLogic SCADA 7.x and PowerSCADA Expert 8.x. When launching the SCADA web client, users may encounter an error message indicating a failure to download the Cab file. This issue arises when the necessary ActiveX settings are not configured correctly to allow the Cab file to be downloaded in the Trusted Sites zone. To resolve this error, users can modify their Trusted Sites levels and enable/disable ActiveX settings through the Internet Options in Internet Explorer. By making these adjustments, users can successfully download the required Cab file and proceed with using the SCADA web client without further issues.
| Characteristics | Values |
|---|---|
| Issue | Failed to download the Cab file when launching SCADA web client |
| Product Line | PowerLogic SCADA 7.x PowerSCADA Expert 8.x |
| Environment | SCADA Web Client |
| Resolution | Modify the Trusted sites levels and Enable/Disable Active X settings |
| Action | 1. Open Internet Explorer. 2. Go to Tools > Internet Options. 3. In the Internet Options window, select the Security Tab. 4. In the Security Tab, select Trusted Sites in "Select a zone to view or change security settings". 5. Select the "Allowed Levels for this zone: All" and set the slider to Low. 6. Click Custom level button to open the Security Settings - Trusted Sites Zone dialog box. 7. Scroll down to the "ActiveX controls and Plug-ins" section and enable/disable the following Active X settings: Enable - Allow ActiveX Filtering, Enable - Allow previously unused ActiveX controls to run without prompt |
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What You'll Learn
The Schneider Electric USA website
To resolve this issue, users are provided with step-by-step instructions on modifying their Trusted Sites levels and enabling/disabling ActiveX settings. By following these instructions, users can successfully download the Cab file and proceed with using the SCADA web client. The website also offers a Download Center where users can access over two thousand 2D CAD drawings and insert updated Schneider Electric product models directly into their designs.
Additionally, the Schneider Electric USA website provides quick links to pre-filtered listings of characteristic tripping curves and facilitates sales inquiries, connecting users with experts who can assist with product selection and locating the nearest Schneider Electric distributor. The website also features EcoStruxure™ ArcFM Designer, a GIS-based graphic design software designed for electric and gas utility professionals. This software streamlines workflows by integrating design, estimating, construction, and as-built processes into a single intuitive platform, making it easier for users to find the right products and accessories for their specific applications.
Overall, the Schneider Electric USA website serves as a comprehensive resource for users, offering not only product information and downloads but also troubleshooting guidance and efficient tools to facilitate their projects and inquiries.
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The SCADA web client
One example of a SCADA web client is Proficy Webspace by GE Vernova. Proficy Webspace is an easy-to-use mobile and web-based SCADA application that enables users to extend, expand, and enhance their GE iFIX or CIMPLICITY systems. It offers full control and visualisation over a company's intranet or secure internet, without the need to change or alter the software application. With Proficy Webspace, users can reduce costs and improve time to action, driving sustainable advantages across all levels of the business.
Another example of a SCADA web client is Citect SCADA Web Client. This web client allows users to view a live Citect SCADA project within a web browser and provides easy access to Citect SCADA Runtime for LAN-connected users requiring read/write access to current production information. For instance, a senior manager could monitor a facility and access current production information from any computer on the LAN without the need for extensive downloads or software installation.
SCADA Thin Clients are another type of SCADA web client that allows authorised users to safely monitor and control their processes anywhere using modern smartphones, tablets, PCs, and Macs. Thin Clients can be configured in seconds and integrated with VTScada, with no need to purchase and support third-party server products. VTScada Thin Clients are licensed by the number of concurrent users according to the tag count of the application.
To ensure the successful use of a SCADA web client, it is important to configure the necessary settings. For instance, with the Schneider Electric SCADA web client, users may encounter a "Failed to download the Cab file" error. This issue can be resolved by modifying the Trusted Sites levels and enabling/disabling ActiveX settings in Internet Explorer. By selecting the "Allowed Levels for this zone: All" and setting the slider to Low, users can enable the necessary ActiveX settings to download the Cab file.
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ActiveX settings
If you are encountering issues with the Schneider Electric SCADA web client, such as a "failed to download the Cab file" error, it may be due to misconfigured ActiveX settings. ActiveX is a Microsoft technology that enables the integration of software components within applications, such as Internet Explorer. To resolve this issue and ensure the proper configuration of ActiveX settings, follow these detailed steps:
Modifying Trusted Sites Levels and ActiveX Settings:
- Open Internet Explorer: This is the primary browser associated with ActiveX controls and settings.
- Navigate to Tools > Internet Options: This will open the Internet Options window, where you can configure advanced settings.
- Select the Security Tab: This tab allows you to manage security-related settings, including those for trusted sites and ActiveX.
- Choose Trusted Sites: Within the "Select a zone to view or change security settings" section, select "Trusted Sites." This will allow you to modify the settings related to trusted websites.
- Set Allowed Levels: Select the "Allowed Levels for this zone: All" option and adjust the slider to Low. This step ensures that you can customize the security settings for trusted sites.
- Click the Custom Level Button: Clicking this button will open the "Security Settings - Trusted Sites Zone" dialog box, providing access to detailed ActiveX control settings.
- Enable/Disable Specific ActiveX Settings: Scroll down to the "ActiveX controls and Plug-ins" section. Here, you can enable or disable various ActiveX settings according to your requirements. For example:
- Enable - Allow ActiveX Filtering
- Enable - Allow previously unused ActiveX controls to run without prompt
- Enable - Download signed ActiveX controls
- Enable - Download unsigned ActiveX controls
- Enable - Initialize and script ActiveX controls not marked safe for scripting
- Disable - Only allow approved domains to use ActiveX without prompt
- Enable - Run ActiveX controls and plug-ins
- Disable - Run anti-malware software on ActiveX controls
- Enable - Script ActiveX controls marked safe for scripting
Click OK and Apply: After making your desired ActiveX settings changes, confirm your selections by clicking "OK" and then "Apply."
Manually Copying and Registering ActiveX Controls:
If you need to manually copy and register the ActiveX control on a remote PC, follow these steps:
- Copy the .cab File: On the CS server PC, locate and copy the .cab file for the ActiveX control. For example: C:\Program Files\Schneider Electric\ClearSCADA\WWW\ViewXCtrl-75.cab.
- Paste the .cab File: Paste the copied .cab file onto the remote PC in a directory of your choice, such as c:\webx_temp.
- Open a DOS Window: Navigate to the directory where you pasted the .cab file and open a DOS window.
- Register the ActiveX Component: In the DOS window, type: regsvr32 viewxctrl.dll. This will register the ActiveX component on the remote PC.
- Establish a WebX Connection: Open Internet Explorer and navigate to the ClearSCADA server PC. You should now be able to establish a WebX connection.
Please note that Schneider Electric recommends upgrading to Operator Terminal Expert for enhanced compatibility and support. Additionally, when working with ActiveX controls and settings, it is important to refer to official Schneider Electric documentation and support resources to ensure that you are following the most up-to-date and accurate instructions for your specific use case.
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Internet Explorer
When using Schneider Electric's products, you may encounter an error message saying "Failed to download the Cab file" when launching the SCADA web client. This is due to the necessary ActiveX settings not being configured to allow the Cab file to be downloaded in the Trusted Sites zone. To resolve this issue, you will need to modify the Trusted Sites levels and enable/disable ActiveX settings using Internet Explorer.
- Open Internet Explorer.
- Go to Tools > Internet Options.
- In the Internet Options window, select the Security Tab.
- In the Security Tab, select Trusted Sites in "Select a zone to view or change security settings".
- Select the "Allowed Levels for this zone: All" and set the slider to Low.
- Click the Custom level button to open the Security Settings - Trusted Sites Zone dialog box.
- Scroll down to the "ActiveX controls and Plug-ins" section and enable/disable the following ActiveX settings:
- Enable - Allow ActiveX Filtering
- Enable - Allow previously unused ActiveX controls to run without prompt
By following these steps, you should be able to resolve the "Failed to download the Cab file" error and successfully download the necessary Cab file in the Trusted Sites zone.
In addition to the above, there are also instructions for generating a diagnostic file for PME systems. Technical support or sales agents may request a diagnostic file to help with troubleshooting and understanding the scope of the system. To generate this file, you will need to open the PME program installation folder, typically found in C:\Program Files (x86)\Schneider Electric\Power Monitoring Expert. Once you have located the correct folder, open the "Diagnostics Tool" folder and right-click on Diagnostics Tool.exe. Select "Run as administrator" and follow the prompts to generate the diagnostic file, which will be saved to your desktop by default.
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ActiveX controls and plug-ins
Schneider Electric is a US-based company that provides users with access to 2D and 3D product CAD drawing files. While trying to access these files, users might encounter an error message stating that the "Cab file failed to download". This error occurs due to misconfigured ActiveX settings, preventing the Cab file from being downloaded in the Trusted Sites zone.
ActiveX controls are small applications that enable websites to deliver content such as videos and games. They also facilitate user interaction with content like toolbars and stock tickers while browsing the web. ActiveX was introduced by Microsoft in 1996 as an adaptation of its earlier Component Object Model (COM) and Object Linking and Embedding (OLE) technologies. Despite Microsoft's efforts to promote ActiveX as cross-platform, most ActiveX controls are only compatible with Windows operating systems. This limitation reduces the usefulness of web pages that rely on ActiveX for essential functionality.
ActiveX was controversial from the outset due to security concerns and lack of portability. The ActiveX security model depended on identifying trusted developers using Authenticode, a code signing technology. While Microsoft claimed programming ease and good performance, critics highlighted the potential security risks and impracticality for use outside protected intranets.
To resolve the "failed to download the Cab file" error, users must modify their Trusted Sites levels and ActiveX settings in Internet Explorer. This involves opening the Internet Options window, selecting the Security Tab, choosing Trusted Sites, and setting the security level to "Low". Users can then access the Security Settings - Trusted Sites Zone dialog box and enable or disable specific ActiveX controls and plug-ins.
In conclusion, ActiveX controls and plug-ins play a crucial role in accessing Schneider Electric's Cab files. While ActiveX enables enhanced web content and interactivity, it also presents potential security challenges. By properly configuring ActiveX settings, users can successfully download and utilise the Cab files provided by Schneider Electric.
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Frequently asked questions
The necessary ActiveX settings are not configured to allow the Cab file to be downloaded in the Trusted Sites zone. To modify the Trusted Sites levels and Enable/Disable Active X settings, open Internet Explorer and go to Tools > Internet Options. In the Internet Options window, select the Security Tab. In the Security Tab, select Trusted Sites in "Select a zone to view or change security settings". Select the "Allowed Levels for this zone: All" and set the slider to Low.
The .cab file is located in c:\inetpub\wwwroot\citect\client\750 on the PSE server.
This error can occur if the necessary ActiveX settings are not configured to allow the Cab file to be downloaded in the Trusted Sites zone. To resolve this issue, modify the Trusted Sites levels and Enable/Disable Active X settings by following the steps mentioned in the previous answer.
The necessary ActiveX settings are not configured to allow the Cab file to be downloaded in the Trusted Sites zone. To modify the Trusted Sites levels and Enable/Disable Active X settings, open Internet Explorer and go to Tools > Internet Options. In the Internet Options window, select the Security Tab and then select Trusted Sites in the "Select a zone to view or change security settings" section. Now, select the "Allowed Levels for this zone: All" and set the slider to Low. Finally, click on the Custom level button to open the Security Settings - Trusted Sites Zone dialog box and enable/disable the Active X settings.
