Lenze PLC Designer PLC Designer (R2-x) - Manual (Page 616)

L-force | PLC Designer
Compiler Errors and Warnings
614 DMS 3.2 EN 02/2011 TD29
4212
"Accumulator is invalid before conditional statement"
The accu is not defined. This happens if an instruction is preceeding which does not
submit a result (e.g. 'CAL').
4213
"'S' and 'R' require 'BOOL' operand"
Use a boolean variable at this place.
4250
"Another 'ST' statement or end of POU expected"
The line does not start with a valid ST instruction.
4251
"Too many parameters in function ''"
There are more parameters given than are declared in the definition of the function.
4252
"Too few parameters in function ''"
There are less parameters given than are declared in the definition of the function.
4253
"'IF' or 'ELSIF' require 'BOOL' expression as condition"
Make sure that the condition for IF or ELSIF is a boolean expression.
4254
"'WHILE' requires 'BOOL' expression as condition"
Make sure that the condition following the ‘WHILE’ is a boolean expression.
4255
"'UNTIL' requires 'BOOL' expression as condition"
Make sure that the condition following the ‘UNTIL’ is a boolean expression.