Less Than Or Equal - Allen-Bradley Micro800 General Instructions Manual

Less than or equal

Parameter
EN
i1
i2
o1
For Integer, Real, Time, Date, and String values, Less Than or Equal compares
input values to determine whether the first is less than or equal to the second.
Special recommendations
For TON, TP, and TOF, equality testing of Time values is not recommended.
Arguments
Parameter Type Data Type
Input BOOL
Input SINT - USINT - BYTE - INT - UINT -
WORD - DINT - UDINT - DWORD -
LINT - ULINT - LWORD - REAL - LREAL
- TIME - DATE - STRING
Input SINT - USINT - BYTE - INT - UINT -
WORD - DINT - UDINT - DWORD -
LINT - ULINT - LWORD - REAL - LREAL
- TIME - DATE - STRING
Output BOOL
Less than or equal (<=) operator ST language example
(* ST Equivalence: *)
aresult := (10 <= 25); (* aresult is TRUE *)
mresult := ('ab' <= 'ab'); (* mresult is TRUE *
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
Compare instructions
Description
Function enable.
When Enable = TRUE, execute the input comparison.
When Enable = FALSE, there is no comparison.
Applies only to LD programs.
All inputs must be the same data type. The Time input
applies to the ST, LD and FBD languages.
TRUE if i1 <= i2.
Chapter 10
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