Chapter 16 Safe Torque Off Function | VFD-ED
16-5 Timing Diagram Description
16-5-1 Normal Operation Status
As shown in Figure 16-5, when the STO1–SCM1 and STO2–SCM2 are ON (safety function is not
required), the motor drive executes “Operating” or “Output Stop” according to the RUN/STOP
command.
Figure 16-5
16-5-2 Pr.06-49 = 0000h, STO fault latched, resending RUN command is required
If STO is ON in any condition and a fault occurs, it does not reset until STO is back to normal and use
a RESET command or power-on again after resending the RUN command.
Figure 16-6
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