Functions; Normal Switching Duty - Siemens SIRIUS 3RA6 System Manual

6.6

Functions

6.6.1

Normal switching duty

Normal switching duty
Compact starters are used primarily for switching and protecting motors.
The actuator has three positions:
●
●
● TRIPPED: Malfunction or short circuit trip.
Actuator OFF
When the actuator is in the
of the control electronics are disconnected. Only the thermal motor model, the
communication and the display elements remain in operation.
Actuator READY
The circuit breaker mechanism (breaker latching mechanism) in the compact starter is
switched on and the compact starter is ready.
Machine start-up!
If the "DO 0.0" or the "DO 0.1" LED is illuminated and you switch the actuator of the
compact starter to READY, the machine will start up immediately. People may be injured if
they stay in the danger area of the machine.
Make sure that the danger area of the machine is kept clear of people.
SIRIUS 3RA6 compact starter
System Manual, 09/2014, NEB560060102000/RS-AA/006
READY: Compact starter is ready.
OFF: Compact starter is out of service.
WARNING
3RA64/3RA65 compact starter with IO-Link
OFF position, the main contacts are open and the active areas
6.6 Functions
113