Lenze PLC Designer PLC Designer (R2-x) - Manual (Page 630)

L-force | PLC Designer
Compiler Errors and Warnings
628 DMS 3.2 EN 02/2011 TD29
4426
"POU does not have a valid STEP 5 block name, e.g. PB10"
Modify the POU name.
4427
"Timer type not declared"
Add a declaration of the timer in the global variables list.
4428
"Maximum number of open STEP5 brackets exceeded"
You may not use more than seven open brackets.
4429
"Error in name of formal parameter"
The parameter name may not exceed four characters.
4430
"Type of formal parameter not IEC-convertible"
In IEC 61131-3 Timer, counter and POUs cannot be converted as formal parameters.
4431
"Too many 'VAR_OUTPUT' parameters for a call in STEP5 STL"
A POU may not contain more than 16 formal parameters as outputs.
4432
"Labels within an expression are not allowed"
In IEC 61131-3 jump labels may not be inserted at any desired position.
4434
"Too many labels"
A POU may not contain more than 100 labels.