Note
Parameterization of the grouping
The grouping must be set the same in both monitoring channels.
The assignment is checked during the test for the switch-off signal paths. The operator selects
the STO safety function for each group. The check is drive-specific.
Example: Terminal groups
It must be possible to select/deselect safety function STO separately for group 1 (drives 1 and
2) and group 2 (drives 3 and 4).
For this purpose, the same grouping for STO must be realized both for the Control Unit and the
Motor Modules.
6HOHFWGHVHOHFW
*URXS
6HOHFWGHVHOHFW
*URXS
'ULYH
'ULYH'ULYH
*URXS*URXS
'ULYH
'ULYH
'ULYH
'ULYH
/LQH
0RGXOH
6LQJOH
0RWRU
0RGXOH
'RXEOH
0RWRU
0RGXOH
6LQJOH
0RWRU
0RGXOH
'O
'O
U
U
0(3
0
(3
0
(3
0 (3
0
0
;
S
S
S
S
&8
Figure 5-1 Example: Grouping the terminals for Motor Modules, booksize format
5.6.5 Simultaneity and tolerance time of the two monitoring channels
The "Safe Torque Off" (STO) safety function must be selected/deselected simultaneously in
both monitoring channels using the input terminals, and is only effective for the associated
drive.
● 1 signal: Deselecting the function
● 0 signal: Selecting the function
Controlling safety functions integrated in the drive
5.6 Control via terminals on the Control Unit and Motor/Power Module
Safety Integrated (with SINAMICS S120)
216 Commissioning Manual, 02/2020, A5E46305916B AB
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