Emergency Stop - Siemens SIRIUS 3RA6 System Manual

3RA64/3RA65 compact starter with IO-Link
6.9 Connection
6.9.5

EMERGENCY STOP

EMERGENCY STOP function
The EMERGENCY STOP function is implemented via shutdown of the auxiliary voltage. For
this purpose, integrate an NC contact into the auxiliary voltage circuit. The NC contact is
opened via an EMERGENCY STOP button and interrupts the auxiliary voltage. Interruption
of V
Connecting the EMERGENCY STOP function
The auxiliary voltage V
/ A1+. The other compact starters are supplied with auxiliary voltage via the 14-core
connecting cable.
If the auxiliary voltage is interrupted, all compact starters combined into a group using the
14-core connecting cable are shut down.
So that not all compact starters of a group are switched off by EMERGENCY STOP, you can
supply the auxiliary voltage V
from different systems. Compact starters with their own V
upstream compact starter not via the 14-core connecting cable but via the 10-core
connecting cable (3RA6931-0A).
138
results in shutdown of the compact starters.
Aux
is supplied in the first compact starter of a group via terminals A2-
Aux
for individual compact starters or compact starter groups
Aux
System Manual, 08/2018, NEB560060102000/RS-AB/007
supply are connected with the
Aux
SIRIUS 3RA6 compact starter