ProSoft Technology ProLinx S3964R User Manual Page 73

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Publication LOGIX-AP010B-EN-P - May 2010 73
Software Conversions Instructions Chapter 3
Jump Operations
Jump operations programmable in S5 can easily be converted to RSLogix 5000
software. The function of these jump instructions is to select to
include/exclude the execution of code sections based on the TRUE/FALSE
result of other instructions (for example, COMPARE or AND).
Besides these jump functions, RSLogix 5000 software also contains the
following instructions that can be used in Structured Text to repeatedly
execute a section of code before advancing to the next instruction.
FOR…DO – executes a section of code a specified number of times.
WHILE…DO – continually execute a portion of code as long as certain
conditions are true.
REPEAT…UNTIL - continually execute a portion of code until certain
conditions are true.
Other similar functions that are available in RSLogix 5000 software are:
CASE OF – select what instruction to execute based on a numerical value.
IF…THEN…ELSE – executes a section of code if conditions are true.
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