Yaskawa MP900 Series Machine Controller for Standard Operation - Manual (Page 403)

Ladder Logic Programming
7.3.6 Editing Programs
7-36
7
The following operands exist and can be changed. You cannot, however, change to an
operands that is not supported by the instruction.
• Decimal and hexadecimal integer constants, decimal and hexadecimal double-length
integer constants, and decimal real number constants.
• S, I, O, M and D registers, and subscripted S, I, O, M and D registers.
• C and # registers, and subscripted C and # registers.
• Registers for X, Y, Z and A constants, and subscripted registers for X, Y, Z and A
constants.
• Subscript registers (I and J).
Changing Comments
1. Use the Cursor Keys to move the cursor to the comment to be changed.
2. Select the comment instruction.
3. Enter the new comment.
4. Enter double quotation marks (") at the end of the comment.
„ Jumping to a Particular Step Number
The procedure to move the cursor to a particular step number in the program is outlined
below.
1. Select Cursor (S) and then Jump to Line (L) from the programming menus.
2. Enter the step number in the Display Position Dialog Box and click the Set Button.
3. The cursor will move to the step number designated in the previous step.
„ Opening Program Windows Used by SEE and FSTART Instructions
When SEE or FSTART instructions are used in the drawing or function program that is cur-
rently displayed, the drawing or function program window that is called by these instruc-
tions can be opened.
The procedure to open the program window used by SEE and FSTART instructions is out-
lined below.
1. Move the cursor to the drawing number or function symbol that the SEE or FSTART
instruction is calling.
15 Step No.
Set Cancel
Display position
1 0000 SEE H01.01 H