Siemens SIMOTICS S-1FL6 - Page 56

Getting Started
56 A5E36037886-003, 04/2017
Torque control (T)
*
Digital inputs, supporting both PNP and NPN types.
**
PTO and PTI_D reference ground, connected to the reference ground of the host controller.
***
Digital outputs, supporting both the PNP and the NPN types.
The 24 V power supplies in the connection diagrams are as follows:
1)
24 V power supply for SINAMICS V90. All the PTO signals must be connected to the controller with the same 24 V
power supply as SINAMICS V90.
2)
Isolated digital input power supply. It can be the controller power supply.
3)
Isolated digital output power supply. It can be the controller power supply.