In your rung, add a or Normally Closed (XIO) contact.

Ensure you are using the correct Key Number for the specific version of LogixPro (500 vs. 5000) you are trying to register.

While there are many "cracks" or "free keys" floating around on the internet, they often come with significant risks:

Are you setting up a or a multi-user school lab ?

Click OK or Activate to restart the program in full mode. Common Activation Errors and Fixes

: Older versions required a physical activation key residing permanently on a floppy disk. The software could be installed on multiple machines, but it would only run if the physical "key" (the floppy) was present. Software-Based Serial Keys

A: Yes, you can upgrade your LogixPro 500 software with a new key name and key number. Contact the software vendor or an authorized distributor for more information on upgrading your software.

: Represents Input Slot 3 (often used for the right bank of switches).