IAI America DS-S-C1 - Manual (Page 22)

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OR
AND
AND
OR Expansion
AND/OR Expansion
Cond 1
Cond 2
Cond 3
Cond 1
Cond 2
Cond 1
Cond 2
Cond 3
AND
OR
8. 2-2 Expansion Condition
It is possible to combine conditions to make more complicated conditions as follows:
8. Structure of SEL Language
Expansion Input
Commands
Ouptput
Command Operand1 Operand2
Condition 1
OR Condition 2 Command Operand 1 Operand 2
Expansion Input
Commands
Output
Command Operand1 Operand2
Condition1
AND Condition 2
OR Condition 3 Command Operand1 Operand2
AND Expansion (Ladder Diagram display) (Super SEL Language)
Expansion Input
Commands
Output
Command Operand1 Operand2
Condition1
AND Condition 2
AND Condition 3 Command Operand1 Operand2
Note: By conevention, all “AND” operations are performed before the “OR” operations when they are used in conjunction.