38 Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
Preface
The following icons help identify language-specific information.
Common Information for
All Instructions
The Logix5000 instruction set has some common attributes.
Conventions and
Related Terms
This manual uses set and clear to define the status of bits (Boolean) and
values (non-Boolean).
Fault conditions Defines whether or not the instruction generates minor or major faults. If so, defines the fault type and
code.
Execution Defines the specifics of how the instruction operates.
Example Provides at least one programming example in each available programming language.
Includes a description explaining each example.
Table 1 - Description of Instruction Format
Section Information
Icon Programming Language
Relay ladder
Structured text
Function block
Information Appendix
Common attributes Common Attributes
defines:
• Arithmetic status flags
• Data types
• Keywords
Function block attributes Function Block Attributes
defines:
• Program and operator control
• Timing modes
Term Means
Set The bit is set to 1 (ON).
A value is set to any non-zero number.
Clear The bit is cleared to 0 (OFF).
All the bits in a value are cleared to 0.
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