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Software Wago I O Check 3 42

Software WAGO I/O CHECK 3.42: A Tool for Testing and Troubleshooting WAGO I/O System 750

WAGO I/O System 750 is a modular and flexible fieldbus-independent solution for decentralized automation tasks. It consists of a coupler, which connects to the fieldbus, and various I/O modules, which provide inputs and outputs for sensors and actuators. The system supports a wide range of protocols, such as Ethernet, PROFIBUS, CANopen, Modbus, and more .


However, before connecting the system to a fieldbus network, it is often necessary to test and verify the configuration and wiring of the system. This is where software WAGO I/O CHECK 3.42 comes in handy. This software is an easy-to-use Windows application that allows you to operate and display a WAGO I/O System 750 node without connecting to a fieldbus system .

How to Use Software WAGO I/O CHECK 3.42

To use software WAGO I/O CHECK 3.42, you need to connect the coupler of the node to a free serial or USB port of your PC using the communication cable supplied in the set with the system . Then, you can launch the software and select the appropriate communication port from the menu. The software will automatically read the configuration from the node and display it graphically on the screen. You can also print this graphic together with a configuration list as documentation .

With software WAGO I/O CHECK 3.42, you can also display and specify the process data of the I/O modules. For example, you can toggle digital outputs, read analog inputs, or simulate analog outputs. This way, you can check the field wiring, including all sensors and actuators, before startup .

Furthermore, for some types of interface, Pt100 and thermocouple modules, you can make application-specific settings, such as the baud rate or sensor types. These settings are stored in the coupler's memory and are effective when the node is connected to a fieldbus system .

Benefits of Software WAGO I/O CHECK 3.42

Software WAGO I/O CHECK 3.42 offers several benefits for users of WAGO I/O System 750, such as:

  • It simplifies the commissioning and maintenance of the system by providing a graphical representation of the configuration and process data.

  • It reduces errors and saves time by allowing you to test and troubleshoot the system without connecting to a fieldbus network.

  • It enhances the functionality and performance of the system by enabling you to adjust application-specific settings for some modules.

  • It supports multiple languages, such as English, German, French, Spanish, Italian, Chinese, Japanese, and more .


Software WAGO I/O CHECK 3.42 is a useful tool for testing and troubleshooting WAGO I/O System 750 without connecting to a fieldbus system. It allows you to operate and display the configuration and process data of the node graphically on your PC screen. It also enables you to make application-specific settings for some modules. It is compatible with Windows XP, Vista, 7, 8, and 10 operating systems . You can download it for free from WAGO's website or order it as a USB set with a communication cable .

I hope this article was helpful for you. If you have any questions or feedback, please let me know.


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