Operating Sequence Description - Delta VFD300C43S-HS User Manual

Chapter 17 Safe Torque Off Function C2000-HS

17-5 Operating Sequence Description

17-5-1 Normal operation status
As shown in Figure 3: When the STO1–SCM1 and STO2–SCM2=ON (no STO function is
needed), the drive will execute "Operating" or "Output Stop" according to RUN/STOP command.
17-5-2-1 STO, Pr. 06-44=0, Pr. 02-35=0
As shown in Figure 4: When both of STO1–SCM1 and STO2–SCM2 channel has turned off during
operating, the STO function enabling and the drive will stop output regardless of Run command is ON or
OFF status.
17-5-2-2 STO, Pr. 06-44=0, Pr. 02-35=1
As shown in Figure 5: As same as the figure 4. Because the Pr. 02-35=1, after the Reset command,
if the operating command still exists, then the drive will immediately execute the run command
again.
Figure 3
Figure 4
Figure 5
17-6