A Ladder programming simulator for PLC, simple but with powerful features (counters, timers, comparators, etc ...).
The MacroPLC simulator supports:
✓ Ladder logic simulation
✓ Real-time execution
✓ Simulated Inputs and Outputs
✓ timers
✓ counters
✓ Internal flags
✓ comparators
✓ edge detectors
And the best: is free;)
Enjoy it!