GX Works 2 Operating Manual Structured Project - Automation ...

GX Works28 EDITING STRUCTURED LADDER PROGRAMS■Changing instructionChange entered operator, function, or function block.Operating procedure1. Select an operator, function, or function block to be changed.2. Press the initial letter of the instruction to be changed on the keyboard.A list of instructions is displayed on the Input Instruction screen.3. Select an instruction and click the button.The operator, function, or function block is changed.After changing the instruction, adjust the arguments of the instruction if necessary.● Entering POUsOperators, functions, and function blocks can also be selected from the Function Block Selection window. (Section 6.2.1)● Instruction device entry field• When more than one character of an instruction/label is entered on the Input Instruction screen, options ofinstruction/label whose first characters match are displayed. An instruction/label can be selected by using the/ key.• When nothing is entered in the ladder symbol selection field, 'instruction + space + device/label' can be entered.(For example: ld X0) However, when an instruction exists as a ladder symbol; such as JMP and RET, is entered,it is entered as a ladder symbol. For entering in functional description, select " " on the ladder symbolselection field, and enter an instruction such as JMP.● Entering unregistered labelsBy setting the option, a new label setting can be added on the Label Registration/Selection screen when anunregistered label is entered.Check the "Declare new label name" item under [Tool] ⇒ [Options] ⇒ "Program Editor" ⇒ "Structured Ladder/FBD" ⇒"Label". ( Section 14.2)● Browse Manual buttonA detail of the instruction can be displayed by clicking thebutton on the Input Instruction screen.( GX Works2 Version 1 Operating Manual (Common))8 - 6 8.2.2 Entering instructions