Equipment phase clear failure (pclf) – Rockwell Automation 1794-Lxxxx PhaseManager User Manual
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Publication LOGIX-UM001B-EN-P - April 2010
Appendix A
Equipment Phase Instructions (PSC, PCMD, POVR, PFL, PCLF, PXRQ, PRNP, PPD, PATT, PDET)
Equipment Phase Clear
Failure (PCLF)
Use the PCLF instruction to clear the failure code of an equipment phase.
Operands:
Relay Ladder
Structured Text
The operands are the same as those for the relay ladder PCLF instruction.
Description:
The PCLF instruction clears the failure code for an equipment phase.
• You must use a PCLF instruction to clear the failure code of an
equipment phase.
• A CLR instruction, MOV instruction, or assignment (:=) doesn’t change
the failure code of an equipment phase.
• Make sure the equipment phase doesn’t have other owners when you
use the PCLF instruction. The PCLF instruction won’t clear the failure
code if RSLogix 5000 software, FactoryTalk Batch software, or another
program owns the equipment phase.
Arithmetic Status Flags:
not affected
Fault Conditions:
none
Operand
Type
Format
Description
Phase Name
phase
name of the
equipment
phase
Equipment phase whose failure code you
want to clear