Siemens SINUMERIK 840D Operating Manual

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Contents

Ladder Viewer and Ladder add-on (828D only)19.7 Displaying information on the program blocksMillingOperating Manual, 03/2010, 6FC5398-7CP20-1BA0 56519.7 Displaying information on the program blocksYou can display all the logic and graphic information of a program block.Display program blockIn the "Program block" list, select the program block that you want to display.Logic informationThe following logic information is displayed in a ladder diagram (LAD):● Networks with program parts and current paths● Electrical current flow through a number of logical operationsFurther information● PropertiesName of the block, author, number of the subprogram, data class, date it was generated,date of the last change and comment.● Local variableName of the variable, variable type, data type and comment.Access protectionIf a program block is password-protected. The ladder diagram displaycan be enabled using the "Protection" softkey.Displaying the program status1. Press the "Program stat. OFF" softkey to hide the program status inthe status display.2. Press the "Program stat. ON" softkey to unhide the program status inthe status display.Enlarging/reducing the display of the ladder diagram1. Press the "Zoom +" softkey to enlarge the section of the ladderdiagram.After enlarging, the "Zoom -" softkey is available.2. Press the "Zoom -" softkey to reduce the section of the ladder diagramagain.