Mitsubishi Electric MELSEC iQ-R User Manual page 103

The data in the 0th step of the simulation input data is reflected to the initial value of the Output terminal in the
external input block.
Because the processing time of the hardware logic affects the simulation step, the following time is required
until the simulation input data changes the Output terminal in the external input block.
• When "Simulation step unit time setting" is "25ns", it takes time of 2 steps.
• When "Simulation step unit time setting" is other than "25ns", it takes time of 1 step.
Ex.
When simulation is executed with the simulation step unit time of 25ns and the external input block filter time of 0s, the
simulation result of an external input block is reflected as follows.
(When the filter time has been set, the simulation result is reflected after the time of the steps for the filter time passes.)
(1) Reflected to the initial values.
(2) Reflected to the processing of external input blocks after two steps.
(1)
(2)
Initial value
0th step
1st step
2nd step
3rd step
2 FUNCTIONS OF THE CONFIGURATION TOOL
2.10 Debug Function
2
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