Siemens SINAMICS S120 Function Manual page 349

Safety integrated
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3. You can change the trace settings for this test or use the preassignment. The
preassignment is adequate for most applications.
A change permits adaptation to the mechanical conditions of the machine, e.g. when the
axis mechanical system exhibits a very high moment of inertia so that longer ramp-up
times for accelerating and braking are required.
4. Observe the safety information and notes on the start screen form of the acceptance test.
5. Once you have performed all preparations, click "Start test".
The wizard for the selected test opens.
6. In the first step, the drive must be moved so that an emergency stop can be initiated.
Select in the "Move drive via" drop-down list whether the drive should be moved via the
control panel or via the user program of a higher-level control.
– Control panel:
– User program:
7. Initiate emergency stop (SS1) on the selected drive. Click "Next" when the LED indicates
that SS1 is active.
The motor brakes on the OFF3 braking ramp. The transition to STO is made based on
the parameter assignment (e.g. after expiration of the delay time or when the shut-down
speed is undershot). If a brake parameterized via SBC is present, it is closed after
transition to STO.
8. Return the master control when the drive is stationary. Click "Next".
9. The previous workflow is recorded and represented as trace.
Check the chronological and content workflow of the test based on the signal recording.
In this test, STO may be initiated only when the motor has almost become stationary.
Click "Next" provided the test workflow meets your expectations.
10.Alternatively: Cancel the test by clicking "Cancel" if the workflow does not meet your
expectations.
In this case, check the correctness of all input conditions and repeat the test, if
necessary.
Sample scenario: STO is initiated, even though the motor speed is still high. In this case,
a possible cause could be incorrect parameterization, e.g. an insufficiently short delay
time from SS1 to STO or an excessively high shut-down speed.
11.Deselect SS1 and click "Next".
The test was performed successfully.
12.Click "Finish" to exit the wizard.
Result
The test status in the secondary navigation is updated.
Execute the wizards of all further functions similarly through the tests.
Safety Integrated
Function Manual, 12/2018, 6SL3097-5AR00-0BP1
If the drive is moved via the control panel, it is displayed in this screen form.
Activate the master control, enter a setpoint and start the motor in the desired
direction of rotation.
Click "Next" to advance to the next step.
Start moving when the drive is moved from the user program.
Click "Next" to advance to the next step once the motor starts to turn.
Acceptance test
7.3 Acceptance test with Startdrive
347

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