The Edit Menu

Undo the last changes made to a ladder circuit. TRiLOGI automatically stores the last 10 edited steps so you could execute undo several times to restore the circuit back to its original shape.

You can remove a number of circuits from the current ladder program and store them temporarily in the clipboard for pasting into another part of this ladder program or into another file altogther. In other words, it lets you move a block of circuits from one part of the ladder program to another part or into another file. Once you execute the "Cut Circuit" command, a prompt box as shown below will appear. You have to specify the range of the circuits you wish to cut and press the "Yes" button to remove them from the ladder program. 

Please note that you can't UNDO a Cut Circuit operation.

You can copy a block of  circuits from the current ladder program and store them into the clipboard for pasting into another part of this ladder program or into another ladder program file altogther. The range dialog box similar to "Cut Circuit" will appear for you to enter the range of circuit to copy.

When you execute this command, the block of ladder circuit which you "Cut" or "Copy" into the clipboard will be pasted just before the currently selected circuit. The current circuit number will be adjusted to reflect the change.

The Find command allows you to quickly locate a ladder logic circuit that contains a particular label name. This is useful for searching for the activity of a particular I/O in the program. The Find command can also be used to search for a keyword in a TBASIC program. When this command is executed you will be further prompted to select the options of either searching for a ladder logic label or finding a text in a Custom Function.

    

Find Ladder element: you can enter into the the text field a string that partially or fully matches the label name you wish to locate. You can also press the <F2> key to open up the I/O table and pick the label name from the I/O table.

Find Text in CusFn:   TRiLOGI will search through all the custom functions to locate the text that matches your entered text. The first CusFn that contains a match will be opened up for you to read. You will then be prompted to indicate if you wish to continue the search. Note that the text window in the custom function editor window is read-only during execution of the "Find Text" command.

If you click "No" at the prompt dialog, the last opened CusFn will stay open. However, at this stage the content in the Custom function editor is still read-only. If you wish to edit text in the CusFn you will need to click on the text window and it will be enabled for editing. This feature is implemented to prevent accidental changes to the custom function during the search process.

Use this command to move towards a specific circuit number. The "Goto" command is particularly useful if your program contains many circuits, and it is inconvenient to search for a particular circuit using the mouse or the cursor keys.

8.     I/O Table  <F2>

Open up the I/O Table for defining label names for the PLC's I/O. For detailed explanation of I/O tables, please click on the following link:  I/O Definition Table

9.     View I/O Type on Ladder  <F3>

Toggle between  display or no display of the I/O type for ladder logic contacts on the screen. All ladder logic contact symbols are normally identified by their label names. However, you can also choose to display an optional  small literal to indicate the I/O types. e.g. i=input,   o=output, r= relay, t= timer and c=counter. When TRiLOGI first starts, the display is enabled but you have the option of turning it off if you find it distracting.

10.   Edit Custom Function  <F7>

Opens up the Custom Function Editor window for you to enter the TBASIC program. You will be required to select the custom function number or a label name from the CusFn table (which is part of the I/O Table) . Each TRiLOGI file can contain a maximum of 256 custom functions. Each custom function will be opened in its own window. The custom function number and the optional label name will be displayed on the Title of the Custom Function editor window:

You can scroll from one custom function to the next one using the keys. However, clicking on the and  buttons allows you to scroll to the previous or the next non-empty CusFn. All empty functions will be skipped. This is useful if you need to browse through all the custom functions to locate something.

If you wish to copy/cut text from one CusFn and paste to another you will have to use the <Ctrl-C>, <Ctrl-X> and <Ctrl-V> keys.

11.   Clear Custom Functions

This command allows you to select a range of custom functions whose content you want completely cleared. You will be prompted to select the range of custom functions to erase. Note that this action is not undoable.