Proficy Machine Edition Getting Started, GFK-1868H

Logic Developer - PCLadder EditorTo Quick Edit ladder logic• In the ladder logic, click a rung and type instruction mnemonics separated by semicolons, and then press ENTER.The instructions specified by the mnemonic string you entered will be inserted, inorder, on the rung. You can enter mnemonics followed by variable names if youwant to assign instruction parameters while Quick Editing.Example: Add a Normally Open Contact (NO) instruction followed by a Coil(OUT) instruction and assign the variables MySwitch and MyCoil to theseinstructions respectively.NO MySwitch; OUT MyCoilWorking with the ladder editor - OnlineWith the ladder editor you can go online to a ladder program being run by theController (page 61). While online, you can view the power flow through theladder logic and watch data values change in real time. You can also edit theladder program, just as you would while offline, with the following restrictions:■Labels, subroutines, and actions cannot be deleted while online.■Only one rung can be changed before writing the changes to the Controller.The following picture illustrates the ladder editor while online to the Controller.Online status is indicatedby the color of thetarget icon.Lightning bolts in eachcorner indicate theController’s status andchange to reflect faultconditions.New or edited rungs areindicated withalternately colored andbolded lines until youWrite Changes.Power flow is indicatedwith bold colored lines.Data values aredisplayed in real timeas they change eachscan by the Controller.Use the Data Watch toview or set data valuesfor any variable in yourproject.GFK-1868HMachine Edition 5.50 43