Detects uncommented locations in the program
Justification: Complete commenting is required by many programming guidelines, and it increases the readability and maintainability of the code.
Importance: Low
PLCopen rule: C2
Comments are required in the following cases:
-
Declaration of variables (Comments are located either above the declaration or to the right of the declaration.)
-
Declaration of programs, function blocks, or methods (Comments are located above the declaration in the first line.)
Example
PROGRAM PLC_PRG VAR iMaxValue: INT; END_VAR --> SA0162: Missing comment for 'PLC_PRG' --> SA0162: Missing comment for 'iMaxValue'