Welcome to blueSCADA!
The blueSCADA Viewer is a free tool for logging and debugging PLC values on a Windows computer using the NModbus communication library.
The blueSCADA Viewer is built on the latest Microsoft runtime platform. To use it, you'll need the Microsoft .NET Framework 3.5 Service Pack 1 installed on the computer that communicates with your PLC.
If you have any difficulties installing or configuring the blueSCADA Viewer, please email support. Also, visit our user feedback page to suggest and vote for new features and product improvements.