Siemens SINAMICS G120 Memulai - Halaman 41

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Procedure

To identify the motor data, proceed as follows:

1. Switch on the motor. You can enter the on command via the terminal strip, fieldbus, or

2. Wait until the inverter switches off the motor after completion of the motor data

3. Backup the results of the motor data identification in the inverter so that they are not lost

If you have also selected a rotating measurement in addition to the motor data identification,

then the inverter again issues the alarm A07991.

1. Switch the motor on again in order to optimize the speed control.

2. Wait until the inverter switches off the motor after completion of the optimization. The

3. Backup the results of the motor data identification in the inverter so that they are not lost

You have now identified the motor data and the closed-loop speed control has been

optimized.

4.3.2

Enable "Safe Torque Off" safety function

Requirements:

● Commission a CU240E-2 Control Unit.

● In the basic commissioning, you selected a setting for the interfaces in which two

The "Basic Safety" wizard guides you through the enabling of the "Safe Torque Off" safety

function. Depending on the interface for "Safe Torque Off", the inverter skips individual

steps.

Note

If you enable "Safe Torque Off" via digital inputs, then the inverter interconnects digital inputs

DI 4 and DI 5 to the fail-safe digital input F-DI. The drive can respond unexpectedly if you

additionally interconnect these same inputs with other functions.

• Use digital inputs DI 4 and DI 5 exclusively for "Safe Torque Off".

Converter with Control Units CU230P-2; CU240B-2; CU240E-2

Getting Started, 04/2014, A5E32885834B AB

operator panel.

identification. The measurement takes several seconds.

when the power fails: TOOLS - PARAMETER SETTINGS - SAVE RAM TO ROM

optimization can take up to one minute.

when the power fails: TOOLS - PARAMETER SETTINGS - SAVE RAM TO ROM

terminals are reserved for a safety function.

Commissioning

4.3 Commissioning