9 if construct (if, end_if), 1 ) operation, 2 ) format – Yaskawa MP900 Series Ladder Programming Manual User Manual
Page 162
5.5 Program Control Instructions
5.5.9 IF Construct (IF, END_IF)
5-93
Instructions
5
5.5.9 IF Construct (IF, END_IF)
( 1 ) Operation
Execution of the programming between the IF and END_IF instructions is repeated for as long as the conditional
expression for the IF instruction is satisfied.
The programming is not executed if the conditional expression is not satisfied.
∗ 1. The programming is executed and execution jumps to the next step.
∗ 2. The programming is not executed and execution jumps to the next step.
( 2 ) Format
∗ Write with the format for an EXPRESSION instruction.
Refer to Appendix D Format for EXPRESSION Instruction for details on the format used to write the expression.
IF instruction
<conditional_expression>
Next step
Programming
Condition
satisfied?
Satisfied.
*1
Not satisfied.
*2
END_IF
Parameter Name
Applicable Data Types
B
W
L
F
A
Index
Constant
Conditional
expression
{
*
{
*
{
*
{
*
×
{
*
{
*
,
Programming 1
Conditional
expression
Icon:
Key entry: IF, IEND