Servotronix CDHD2S - Sto-P1

Drive Setup
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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
Table 4-38 STOP Interface
Pin
Pin tag
Function
1
24V
STO power supply
2
GND
STO loop
3
24V loop, provided by STO bypass drive
4
24V power supply, provided by STO bypass drive
Note:
Ensure that the main voltage rating meets the drive requirements. Applying an incorrect voltage
may cause the drive to malfunction. Do not turn on the power supply until all hardware connections
are completed.
Figure 4-37 STO bypass plug (medium-voltage model)
Figure 4-38 STO bypass plug
The STO system configuration is shown in the figure below.