For details on the instructions, refer to the relevant instructions.
Chapter 31 Logic Instruction List
In the [Preferences] window, select [Ladder]. Select the [Set up operands when adding instructions] check box. The operand input box will appear when the instruction is inserted.5.18.6.5 Preferences - Logic Common
You can change the operand details using the property window.29.13.5 Using Reference Features to Search Logic Programs
When an instruction is inserted in a rung, the operand input box will appear. In the box, enter the value and symbol variable (address) to be linked to the instruction.
Here, for example, the symbol variable "lamp" is allocated to an OUT instruction (Out).
Double-click the OUT instruction (Out) operand. A text box is displayed for entering the operand.
You can display the operand input box in either of the following ways.
Right-click the operand and then click [Edit (E)].
Select the operand and press ENTER.
Type "lamp" in the text box and press ENTER.
A message appears: "Register 'lamp' as bit variable."
Press ENTER. The [Confirm Symbol Registration] dialog box appears. Click [Yes (Y)].
The symbol variable data type required by the instruction will be set up.
In this case, a "bit variable" type is allocated.
If symbol variables that can be allocated were previously registered, or if the system variables can be allocated, click 
to display those variables. You can select and specify the displayed symbol variables and system variables.
To directly enter the address, click 
.
GP-Pro EX automatically assigns the type necessary for the new symbol variable created for the instruction.