You have two options of selecting the device when you create your program in LOGO!Soft Comfort:
You can first create your program and then determine the required LOGO! by using the Tools -> Determine LOGO! dialog.
You can first determine the LOGO! version for which you want to create your circuit program by calling the Tools Select Hardware dialog. You can also call the device selection dialog by double-clicking on the LOGO! icon in the status bar.
The device selection dialog shows you which blocks and memory resources are available to you.
If you have already created a circuit program or are using some blocks, the hardware selection dialog offers you only the LOGO! devices you can operate with the currently used blocks.