when I use quickteach v5.3 to run a program, it 's fine if there is no any I/O instruction, but when the program includes some I/o instructions , the error messages will comes out. cause the I/O simulator always gray. could you tell me how to make the i/o simulator work!! thank you!
Does your controller have an io configuration file installed?
If not, you must add one using the Add/Replace Parameters option in the Virtual Controller.