Siemens CU240B-2 Application Description

4 Configuration and Project Engineering
4.3 Safe Torque Off (STO)
with Safety Integrated
SINAMICS G120 as a Speed Axis on the S7-1500
V1.0a, Entry ID: 78788716
31
Copyright  Siemens AG 2013 All rights reserved
No. Action Picture
1. Enter the current password.
Change the default password
“0” of a factory new
SINAMICS G120.
Note:
When resetting the safety
parameters to factory
settings, the assigned
password remains.
2. Select the safety functionality.
1. Make sure that the safety
commissioning is
activated.
2. Navigate to the selection
of the safety functionality.
3. Select the “Basic
functions”.
4. Click on the “Control type
/ safety functions” button.
3. Select control type and safety
function.
1. Select the control type
“via terminals” (default
setting).
2. Click on the “STO” safety
function (the only one
available).
4. Output “STO active”
On demand you can
interconnect the “STO active”
output. However, this is not
necessary in this application.
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Siemens CU240B-2 Specifications

General

Brand	Siemens
Model	CU240B-2
Category	Inverter
Language	English