Chapter 9—C445 Logic Engine and Expansion I/O
Power Xpert C445 Global Motor Management Relay MN042003EN—January 2019 www.eaton.com 163
LE—Less Than or Equal To
The LE function block sets OUT to TRUE if IN1 is lesser than or equal to IN2.
OUT = TRUE IF IN1 ≤ IN2
LIMIT—Limit Function
The LIMIT function block will limit IN within the data range specified by the minimum limit,
MN and the maximum limit MX. The range limited input is written to OUT. OUT will only
be updated if MX ≥ MN.
OUT = IN IF MN ≤ IN ≤ MX
OUT = MN IF IN < MN
OUT = MX IF IN > MX
Parameter Data type Description
IN1, IN2 INT, DINT, UINT, REAL Inputs to be compared
OUT BOOL Output
Parameter Data type Description
MN INT, DINT, UINT, REAL Minimum limit of the input range
IN INT, DINT, UINT, REAL Input value
MX INT, DINT, UINT, REAL Maximum limit of the input range
OUT INT, DINT, UINT, REAL Range limited input value
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