Sto-P1 - Servotronix CDHD2S User Manual

Drive Setup

4.10.6 STO-P1

Safe Torque Off (STO) is a safety feature that prevents the drive from supplying power to the
motor, thereby producing torque. For complete installation and operating details, please refer to
the Safe Torque Off (STO) Overview
Pin Pin tag
1 24V
2 GND
3
4
Ensure that the main voltage rating meets the drive requirements. Applying an incorrect voltage
Note: may cause the drive to malfunction. Do not turn on the power supply until all hardware connections
are completed.
The STO system configuration is shown in the figure below.
—91—
Table 4-38 STOP Interface
24V loop, provided by STO bypass drive
24V power supply, provided by STO bypass drive
Figure 4-37 STO bypass plug (medium-voltage model)
Figure 4-38 STO bypass plug
Function
STO power supply
STO loop