Conclusion

LogSim offers advantages for all phases:

•  Setup of the logic: user friendly object oriented editor
  
•  Functional test by simulation and history review
  
•  Step by Step simulation
  
•  Printing of the drawings
  
•  The integrated schematic can be split up into A4, A3, 8.5X11" or 11X17" formats
  
•  Export to AutoCad
  
•  IEC 61131 - 3 compatible PLC program compilation