Delta VFD220C43A-21 User Manual

Chapter 17 Safe Torque Off Function | C2000 Plus
17-7
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.
Figure 3
17-5-2 STO
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.
Figure 4
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 5

Delta VFD220C43A-21 Specifications

General

Brand	Delta
Model	VFD220C43A-21
Category	DC Drives
Language	English