Reduce number of instructions with which you need to be familiar.
Data type safe
Using FP instruction, e.g. F22_ADD2 |
Using IEC instruction ADD |
 |
 |
You receive no error message |
You receive an error message |
IEC instructions encapsulate complex functionality
IEC instructions are extensible.
IEC instructions are predefined.
Less programming effort
Clear programming
Easy to read
All STRING instructions are available for all PLCs.
All STRING instructions can be used even if the PLC does not support the data type STRING.