4 Operating the Application
SINAMICS G120 DP at S7-1200
Entry-ID: 70155469, V1.4, 07/2018
Copyright Siemens AG 2018 All rights reserved
4 Operating the Application
4.1 Preconditions
To be able to switch on the SINAMICS drive via the HMI panel or the watch table,
the following points must be fulfilled:
If you have configured the safety function
“Safe torque off (STO)” (see
chapter 6.2), the yellow “SAFE” LED lights up or blinks at the SINAMICS G120.
With permanent light, the SINAMICS drive can be started. With blinking light,
the STO safety function is active and the SINAMICS drive does not start up. As
a test procedure in this case, apply 24V (terminal 9) to the inputs DI 4 and 5
(terminals 16 and 17) of the SINAMICS G120
and connect the reference
potential for these inputs (terminals 34 and 69) to earth (terminal 28).
24V must not be supplied at terminal 8 (DI 3), since otherwise the command
data set is switched over.
When using an IOP for controlling the SINAMICS drive, please ensure that the
network icon ( ) is displayed on the top right. If the hand icon ( ) is displayed
there, press the Hand/Auto button ( ).
When using a BOP-2, please check whether the hand icon ( ) is displayed. If
yes, press the Hand/Auto button ( ).
In the STEP 7 example project no safety function has been configured and the respective
bullet is not relevant.
You can also connect an emergency-stop control device to the respective terminals.
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