Hi everyone, I'M pretty new with allen bradley and i would like to expend my current I/O rack. I'm presently using a 5/03 PLC. Can somebody help me with that by telling me is the most affordable way. Usely in Siemens i was using a remote base to expand.... I would like to know what i need in hardware and software and if is it possible maybe a tutorial too.... All the help will be greatly appreciated Regards