Installation guide

134 Programming Commands
OR Boolean Operator
ACTION: The logical OR operator is used in Boolean expressions.
PROGRAM SYNTAX: expression1 OR expression2
REMARKS: The OR operator uses this truth Table: The result is TRUE, if either ex-
pression is TRUE.
Expression1 Expression2 Condition Result
FALSE FALSE FALSE
FALSE TRUE TRUE
TRUE FALSE TRUE
TRUE TRUE TRUE
EXAMPLES: DO
statements
LOOP UNTIL (A>5 OR X=0)
‘ The controller continues to do the loop Until variable A>5 or variable
X=0