Motor Cooling; Ramp-Down Time After The Off3 Command - Siemens SINAMICS G120XA Operating Instructions Manual

Motor cooling:

● SELF: Natural cooling
● FORCED: Forced-air cooling
● LIQUID: Liquid cooling
● NO FAN: Without fan
Select the basic setting for the motor control:
● OP LOOP: Recommended setting for standard applications
● CL LOOP: Recommended setting for applications with short ramp-up and ramp-down times.
● HVY LOAD: Recommended setting for applications with a high break loose torque.
Select the default setting for the interfaces of the converter that is suitable for your application.
Figure 5-8
Figure 5-9

Ramp-down time after the OFF3 command

Motor data identification: Select the method which the converter uses to measure the data of
the connected motor:
● OFF: Motor data is not measured.
STIL ROT: Recommended setting: Measure the motor data at standstill and with the motor
rotating.
The converter switches off the motor after the motor data identification has been completed.
● STILL: Default setting: Measure the motor data at standstill.
The converter switches off the motor after the motor data identification has been completed.
Select this setting if the motor cannot rotate freely.
● ROT: Measure the motor data while the motor is rotating.
The converter switches off the motor after the motor data identification has been completed.
SINAMICS G120XA converter
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
Default setting of the interfaces (Page 82)
Minimum and maximum motor speed
Ramp-up and ramp-down time of the motor
5.4 Quick commissioning using the BOP-2 operator panel
Commissioning
117