Allen-Bradley Logix5000 Reference Manual

Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 247
Compare Instructions (CMP, EQU, GEQ, GRT, LEQ, LES, LIM, MEQ, NEQ) Chapter 5
Function Block
FBD_LIMIT Structure
Operand Type Format Description
LIM tag FBD_LIMIT Structure LIM structure
Input Parameter Data Type Description
EnableIn BOOL If cleared, the instruction does not execute and outputs are not updated.
If set, the instruction executes as described under Execution.
Default is set.
LowLimit REAL Value of lower limit.
Valid = any float
Test REAL Value to test against limits.
Valid = any float
Output Parameter Data Type Description
EnableOut BOOL The instruction produced a valid result.
Dest BOOL Result of the instruction. This is equivalent to rung-condition-out for the relay ladder
LIM instruction.
HighLimit REAL Value of upper limit.
Valid = any float

Allen-Bradley Logix5000 Specifications

General

Brand	Allen-Bradley
Model	Logix5000
Category	Controller
Language	English