Virtual PLC Sim
Virtual PLC Simulator
Practice LAD, Structured Text and SCL programming. Run your program, watch inputs and outputs, and test it on a virtual workstation.

Free sandbox and starter exercises. No installation.
CONTROLBYTE / ONLINE SIMULATORS
Two tools for hands-on automation practice. Program a virtual PLC or learn to troubleshoot electrical circuits. Choose your simulator.
CHOOSE YOUR TOOL
Choose Virtual PLC Sim. Its product page explains the ladder editor, Structured Text, virtual processes and exercises. Launch the app from there. Virtual PLC Sim ↗
Explore Wiring Sim: 24 V DC circuits, multimeter measurements, open circuits, short circuits and PNP sensors. Public release is coming soon; preview access is restricted to platform administrators. Wiring Sim ↗
Both tools are designed for the browser. Virtual PLC Sim is available now, while Wiring Sim remains in development.