IAI ssel

94
Part 2 Programs
3.2 Extension Condition
Conditions can be combined in a complex manner.
(SEL language)
Command
Extension
condition
Input
condition
Command
Operand
1
Operand
2
Output
Condition 1
A
Condition 2
A
Condition 3 Command
Operand
1
Operand
2
Command
Extension
condition
Input
condition
Command
Operand
1
Operand
2
Output
Condition 1
O Condition 2 Command
Operand
1
Operand
2
Command
Extension
condition
Input
condition
Command
Operand
1
Operand
2
Output
Condition 1
A
Condition 2
O
Condition 3 Command
Operand
1
Operand
2
AND extension (Ladder diagram)
Condition
1
Condition
2
Condition
3
AND
AND
OR extension
Condition
1
Condition
2
OR
AND extension and OR extension
Condition
1
Condition
2
Condition
3
AND
OR