Details: <p><strong>Testing:</strong></p><p style="margin-left: 40px;">- Make sure the IEC library is active.</p><p style="margin-left: 40px;">- Create a project and insert a PLC (which has embedded IO channels.)</p><p style="margin-left: 40px;">- Double-click the PLC and click 'Show/Connection port groups'</p><p style="margin-left: 40px;">- If information displayed about each channel says 'Top' or 'Bottom' at the end, we're good. (If it says 'Left', or 'Right', we'r bad...)</p>