Configuration
6.11 Contactors in safety applications
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
120 Manual, 09/2017, A5E03656507120A/RS-AE/006
Note
The current consumption of the contactor's fail
-safe control input is too low for detecting
controller's fail-safe output. This can lead to an incorrect signal and to
shutdown of the contactor.
Deactivate the detection of open circuits in the controller.
Note
The contactor carries out a number of tests during start
-up. When applying the supply
voltage (A1/A2), refer to the data sheet for the recovery time following a power failure. Even
if the fail
-safe control input is already activated within this time, the contactor does not switch
on again until the recovery time following a power failure
has elapsed.
You will find further data in the data sheet
(
https://support.industry.siemens.com/cs/ww/en/ps/16132/td).
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