Functions
7.10 Safe Torque Off (STO) safety function
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2011, FW 4.4, A5E02299792B AB
227
7.10.7 Commissioning the STO
7.10.7.1 Commissioning tool
We strongly recommend that you commission the safety functions using the STARTER PC
tool.
Table 7- 51 STARTER commissioning tool (PC software)
Download Order number
PC Connection Kit
The kit contains a STARTER DVD and USB
cable
STARTER
(http://support.automation.siemens.com/WW/view
/en/10804985/130000)
6SL3255-0AA00-2CA0
7.10.7.2 Resetting the safety function parameters to the factory setting
Proceed as follows if you wish to reset the safety function parameters to the factory setting,
without influencing the standard parameters:
● Go online with STARTER.
● Open the screen form of the safety functions.
● Click on the "Restore Safety factory settings" button.
● Enter the password,for the safety functions.
● Confirm that the parameters have been saved (RAM to ROM).
● Go offline with STARTER.
● Switch off the converter supply voltage.
● Wait until all LEDs on the converter go dark. Now switch on the converter power supply
again (power on reset).
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