Lenze PLC Designer PLC Designer (R2-x) - Manual (Page 627)

L-force | PLC Designer
Compiler Errors and Warnings
DMS 3.2 EN 02/2011 TD29 625
4402
"Direct access only allowed on I/Os."
Make sure that you only access variables which are defined as input or output.
4403
"STEP5/7 instruction invalid or not convertible to IEC 61131-3."
Some STEP5/7 commands are not convertible to IEC 61131-3, e.g. CPU commands like
MAS.
4404
"STEP5/7 operand invalid or not convertible to IEC 61131-3."
Some STEP5/7 operands are not convertible to IEC 61131-3 respectively an operand is
missing.
4405
"Reset of a STEP5/7 timer cannot be converted into IEC 61131-3."
The corresponding IEC timer have no reset input.
4406
"STEP5/7 Counter constant out of range (max. 999)."
There is no valid BCD coded counter constant in the accu.
4407
"STEP5 instruction not convertible to IEC 61131-3."
Some STEP5/7 instructions cannot be converted to IEC 61131-3, e.g. DUF.
4408
"Bit access of timer or counter words not convertible into IEC 61131-3."
Special timer/counter commands are not convertible into IEC 61131-3.
4409
"Contents of ACCU1 or ACCU2 undefined, not convertible into IEC 61131-3."
A command, which connects the both accus, cannot be converted, because the accu
values are not defined.