Chkrange - Omron NY532-5400 Reference Manual

2 Instruction Descriptions

ChkRange

The ChkRange instruction determines if the value of a variable is within the valid range of the range
type specification.
Instruction
ChkRange Check Subrange
Variable
Variables
Name Meaning
In Variable to
check
Val Range
specificatio
n variable
Out Check
result
* If you omit the input parameter, the default value is not applied. A building error will occur.
Bit strings
In
Val The basic data type that is the basis for the range specification must be the same as In.
Out OK
Function
The ChkRange instruction determines if the value of variable to check In is within the valid range of the
range specification variable Val. If the value is within the valid range, check result Out is TRUE. If the
value is not within the valid range, check result Out is FALSE.
Additional Information
You can define the range type specification for integer variables (USINT, UINT, UDINT, ULINT, SINT,
INT, DINT, and LINT).
2-1370
Name FB/FUN
FUN
I/O Description
Variable to check
Input
Range specification variable Depends on the range
Output Check result
OK OK OK OK OK OK OK OK
Graphic expression
(@)ChkRange
EN Out
In
Val
Valid range
Depends on data type.
specification.
Depends on data type.
Integers
NY-series Instructions Reference Manual (W560)
ST expression
Out:=ChkRange(In, Val);
Unit Default
--- *
--- ---
Times, durations,
dates, and text strings