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CHAPTER 8  SIMULATION FUNCTION 
8.1  Simulation Function 
The simulation function is for debugging a sequence program using the virtual 
programmable controller on a personal computer. 
The created sequence program can be immediately debugged without connecting a 
programmable controller CPU. 
 
NOTE 
 
Safety and handling precautions of the simulation function 
 
1)  The simulation function simulates the actual programmable controller CPU 
to debug a created sequence program. However, this function does not 
guarantee the operation of the debugged sequence program. 
2)  The simulation function uses the memory for simulation to input and output 
data to/from the I/O module and intelligent function module. Some 
instructions, functions, and device memories are not supported. Therefore, 
the operation results obtained from the virtual programmable controller may 
differ from those obtained from the actual programmable controller CPU. 
 
 
8.2  Starting/Stopping Simulation 
1) Click!
 
1) Click [Debug] 
→ [Start/Stop Simulation]. 
 
 
 
2) The GX Simulator2 screen is displayed, and the 
simulation starts. 
 
3)  To stop the simulation, click [Debug] 
→ [Start/Stop 
Simulation] again.