● Operating (green)
● Ready for operation (white)
● Operation in local mode (white)
3.6.10
Display instruments in the cabinet door for voltage, current, speed, and output
plus indicator lamps (option K21)
Analog display instruments that display process variables as % are integrated in the cabinet
door:
● Motor current (0 to +120%)
● Motor speed (–120% ... 0 … +120%)
● Calculated motor power (0 to +120%)
● Motor voltage (0 to +120%).
Note
Option K21 contains option K20.
3.6.11
Safe Torque Off
"Safe Torque Off" is a function that prevents the drive from restarting unexpectedly according
to EN 60204-1, Section 5.4. The safety-related STO function is integrated in the drive, and is
independent of the operating functions of the drive.
In the event of an error or in conjunction with a machine function, this function is used to safely
disconnect the torque-generating motor power supply.
There are 2 independent switch-off signal paths. Both switch-off signal paths are low active.
This ensures that the system is always switched to a safe status if a component fails or in the
event of cable breakage.
When the "Safe Torque Off" function is selected, the following apply:
● The motor cannot be started accidentally.
● The pulse disable safely disconnects the torque-generating motor power supply.
● The Motor Module and the motor are not electrically isolated.
Description
3.6 Description of options
SINAMICS SM150 6SL3845-2NN41-8AD0
Operating Instructions Rev.201908010908 EXAMPLE
49
Содержание Sinamics SM150 6SL3845-2NN41-8AD0
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