Lenze PLC Designer PLC Designer (R2-x) - Manual (Page 631)

L-force | PLC Designer
Compiler Errors and Warnings
DMS 3.2 EN 02/2011 TD29 629
4435
"After jump / call, a new expression must start"
After jump or call a Load command LD must follow.
4436
"Bit result undefined, not convertible to IEC 61131-3."
The command which is used by VKE cannot get converted, because the value of the
VKE is not known.
4437
"Type of instruction and operand are not compatible"
A bit command is used for a word operand or the other way round.
4438
"No data block opened (insert instruction C DB before)"
Insert a "A DB".
4500
"Unrecognized variable or address"
The watch variable is not declared within the project. By pressing you get the
input assistant which lists the declared variables.
4501
"Extra characters following valid watch expression"
Remove the surplus signs.
4520
"Error in Pragma: Flag expected before ''!"
The pragma is not correct. Check whether ‘' is a valid flag.
4521
"Error in Pragma: Unexpected element ''!"
Check whether pragma is composed correctly.