Once again, you could have alternatively dragged and dropped the instruction into the program window. The operator may start the batch mix sequence by momentarily pressing. the batch mixing process will run in a single batch mode. Note that the new XIC instruction is now selected (highlighted). Exercise 1 - Single Batch Mode of Operation Using your knowledge of PLCs, design a program to meet the following criteria: When the 3 position Selector Switch is in position 'A'. Now click on the XIC instruction with your left mouse button (Left Click) and it will be added to the right of your highlighted selection. Alternatively you could have dragged (left mouse button held down) the Rung button into the program window and dropped it onto one of the locating boxes that would have appeared. Note that the new Rung was inserted above the existing (END) End Of Program Rung. You should now see a new Rung added to your program as shown above, and the Rung number at the left side of the new rung should be highlighted. If you hold the mousepointer over any of these buttons for a second or two, you should see a short 'ToolTip' which describes the function or name of the instruction that the button represents. It's the first button on the very left end of the Bar. First click on the 'New Rung' button in the User Instruction Bar.
