Advanced commissioning
7.9 Safe Torque Off (STO) safety function
Converter with control units CU250D-2
Operating Instructions, 04/2015, FW V4.7.3, A5E34261542B AB
259
7.9.3.4
Interconnecting the "STO active" signal
If you require the feedback signal "STO active" of the inverter in your higher-level control
system, then you must appropriately interconnect the signal.
Procedure with STARTER and Startdrive
To interconnect the "STO active" checkback signal, proceed as follows:
1.
Select the button for the feedback signal.
The screen form varies depending on the interface selected.
(A)
Connector
(B)
PROFIsafe interface
Figure 7-56 Interconnecting "STO active" in STARTER
The screen form varies depending on the interface selected.
(A)
Control type
Figure 7-57 Interconnecting "STO active" in Startdrive
2.
Select the signal that matches your particular application.
You have interconnected the "STO active" checkback signal. After STO has been selected,
the inverter signals "STO active" to the higher-level control.
Parameter
Description
r9773.01
1 signal: STO is active in the drive
