It is important to understand how data flows between AOIs since we have been using them extensively and there are some tricky caveats that can make programming or debugging more difficult. The misleading names of “External Access” and “Local” probably explains why there is inconsistent behavior on the “External Access” Read more…
Maintaining a complete list of alarms on both the PLC and HMI can be tedious and inaccurate to such an extent that when it’s time to crunch, alarms get missed that really should be created in code and added to the HMI. This difficulty can cause “ghost” faults in the Read more…
Developed an in-browser web application that takes DWG and DXF files and converts them into files that can be imported into Allen Bradley RSLogix 5000 / Studio 5000. The generated aliases point to hardware points in the correct format for their respective modules. The resulting code will then have information Read more…
I was responsible for maintaining the library of current code to be used in new systems while developing innovative new features and programming and installing new equipment for customers. New Features Developed I personally developed many of the most innovative new features, several of which were featured in marketing communications Read more…