Advanced Options Use to add HALUI and PLC components to EMC. HALUI: HALUI is used to comunicate between EMC and a gui or operator panel Click the HALUI checkbox and add your commands to the text boxes Classicladder software PLC click the Classicladder checkbox. Choose the number of available pins. Choose whether modbus is activated. Choose a sample ladder program or a blanck program. Click the edit ladder program button to edit the ladder program. When saving do not change the program name. Exit CL to return to pncconf. If you are editing an existing configuration with an exsisting ladder program choose 'existing custom program'.