See this project for a much improved free HMI: sourceforge.net www.youtube.com Use freely available software to develop an HMI that works with Allen Bradley SLC500...
This video tutorial goes over the process of simulating your PLC & HMI applications using CX-Simulator software,which is included in Omron's CX-One Software Suite.
Effective operation and control is only as good as your HMI ... imagine communication without limitation. The PenGUIn HMI clearly distinguishes itself in the market...