Function Block; Fbd_Limit Structure - Allen-Bradley Logix5000 Reference Manual

Input Parameter Data Type
EnableIn BOOL
LowLimit REAL
Test REAL
Output Parameter Data Type
EnableOut BOOL
Dest BOOL
HighLimit REAL
Compare Instructions (CMP, EQU, GEQ, GRT, LEQ, LES, LIM, MEQ, NEQ)

Function Block

Operand Type
LIM tag FBD_LIMIT

FBD_LIMIT Structure

Description
If cleared, the instruction does not execute and outputs are not updated.
If set, the instruction executes as described under Execution.
Default is set.
Value of lower limit.
Valid = any float
Value to test against limits.
Valid = any float
Description
The instruction produced a valid result.
Result of the instruction. This is equivalent to rung-condition-out for the relay ladder
LIM instruction.
Value of upper limit.
Valid = any float
Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
Format Description
Structure LIM structure
Chapter 5
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