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3.6.12.3
Start-up
● The circuit and the function are subjected to a routine test at the works.
● The circuit is supplied ex works with the following settings:
SINAMICS SM150 6SL3815-7NP41-0AA1
Operating Instructions Rev.201910281301 EXAMPLE
– Safety relay -K110:
The off-delay time of the -K110 safety relay is 15 seconds (setting range 0.5 - 30
seconds).
The off-delay time is the time after which the circuit-breaker disconnects the drive and
the motor from the supply system following a faulty state of the circuit (after activation of
the "Safe Torque Off" function).
– Time relay -K120:
The response and off-delay time of the time relay -K120 is 10 seconds (setting range
0.05 s - 100 h). Additional settings: C (response and off-delay time with auxiliary voltage).
The off-delay time is the time after which the PSA disconnects the supply of the fiber-
optic transmitter of the ignition pulses in the case of a fault-free state of the circuit (after
activation of the "Safe Torque Off" function). The power supply to the motor is thus safely
interrupted.
– Voltage monitoring relay -A11:
Rotary switch operating mode: WL (overvoltage and undervoltage monitoring with error
memory).
①
Potentiometer
"START" (Start-up bridging duration): 0 (0 sec).
②
Potentiometer
"MAX" (Overvoltage trip threshold): 25.8 V.
③
Potentiometer
"MIN" (Undervoltage trip threshold) 50% (15 V).
④
Potentiometer
"DELAY" (Tripping delay duration): 0 (0.1 sec).
Description
3.6 Description of options
57
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