Rockwell-automation DeviceLogix System User Manual Manuel d'utilisateur Page 48

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48 Publication RA-UM003B-EN-P - February 2010
Chapter 2 Navigate the Function Block Editor Interface
Data ranges
The valid data ranges for the compute instructions are as follows.
Move/Logical Category
The Move/Logical category includes fundamental bit type logic
operations, including the instructions types:
•Boolean
AND (BAND)
Not AND (BNAND)
OR (BOR)
Not OR (BNOR)
Exclusive OR (BXOR)
Exclusive Not OR (BXNOR)
NOT (BNOT)
•Latch
Set Latch (SETD)
Reset Latch (RESD)
Parameters Data Range
SourceA -2147483648 ~ 2147483647 (DINT)
-3.402823466e+38F ~ 3.402823466e+38F (REAL)
Source B -2147483648 ~ 2147483647 (DINT)
-3.402823466e+38F ~ 3.402823466e+38F (REAL)
FaultOption 0, 1, 2, 3
FaultStateValue -2147483648 ~ 2147483647 (DINT)
-3.402823466e+38F ~ 3.402823466e+38F (REAL)
IMPORTANT
When data values are large, switching between REAL and DINT
data types may cause a minimal loss of accuracy. For example,
a value of 99999999 DINT will be rounded up to 100000000
REAL when you switch to a REAL data type and then back to a
DINT data type.
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