● To protect the drive against malfunction by dirt or moisture, it has
to be mounted in a IP 54 cabinet.
● The +24 V DC external power supply has to meet SELV / PELV-Re-
quirements.
● The required supply current of maximum 15 mA for each circuit
and the required voltage is +24 V DC + / - 10%.
● The daisy-chained connection type would decrease the total sys-
tem safety fraction.
● The STO inputs of up to 5 drives can be paralleled to build a safe-
ty zone.
As the internal 24 V power supply is not SELV / PELV, it must not be used to sup-
ply the STO function, but only to disable STO!
Safety Function Disable
Disable safety function can use the following wiring and it is the default wiring
when delivery.
Fig. 19-21: Safety function disable
Bosch Rexroth AG
Appendix
EFC x610 Series
382/389
DOK-RCON03-EFC-X610***-IT05-EN-P
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