Frequently Asked Questions
Use this page to find short answers and detailed procedures for common support cases.
For procedural questions, open the related topic and follow the steps in order. For compatibility or recovery questions, read the prerequisites before changing a project, device configuration, driver, or firmware.
Installation and Updates
How to Install a WEG Device in WPS
Install or update a device module when WPS does not list the expected device or cannot create the required resources. This procedure explains where to open the device installation tool, how to add the module, and how to confirm the installation result.
Why Can I Not Update the CFW500 Firmware?
Check the communication settings required before attempting a firmware update and learn where to find the detailed firmware download procedure in WPS.
How to Use This Documentation Without an Internet Connection
Install the documentation as an app on a computer or mobile device so it remains available when there is no internet connection. To keep the content updated, open the documentation online periodically; updates are applied automatically when a newer version is available.
Communication and Drivers
What Is the USBIO Driver and Where Is It Installed?
Use this answer to identify the purpose of the USBIO driver, locate the installer files, and decide when a driver repair or reinstallation is appropriate.
What Should I Do When USB Communication Is Not Recognized?
Verify whether Windows recognizes the connected device and isolate whether the problem is related to driver installation, device detection, or USB connection conditions.
Projects and Programming
How Do I Recover a PLC300 H1 Project Created With an Older Version?
Recover legacy PLC300 H1 resources by exporting them from the older WPS version and importing them into the current WPS version.
Can I Use STRING Parameters in the Application Logic?
Understand why STRING parameter data is not available as a primitive programming variable and when another representation is required in the application logic.
Recommended Use
Use the search field when you know the product name, parameter type, or error context. Use this index when the issue is general or when you are not sure which procedure applies.