Description Of The Core Functionality - Siemens SINAMICS S120 Manual

2 Solution
2.2

Description of the core functionality

Overview and description of the hardware used
Figure 2-2: Hardware components used
Sequence of the core functionality
Switches -S1 to -S4 are located on a switchbox that belongs to the SAFETY
training case. The STO function is initiated using -S1. The SLS safety function is
controlled using switch -S2 or -S3. Using switch -S2, a high SLS limit value is
entered, and using switch -S3, a low SLS limit value is entered; switch -S3 has a
higher priority. Pushbutton -S4 is used for fail-safe acknowledgment.
Switches -S5 to -S8 are located on a switchbox that belongs to the SINAMICS
training case. Switch -S5 is used to switch on and switch off the drive. You can
toggle between different speed setpoints using switches -S6 and -S7. Switch -S8 is
used to initiate a test stop of the safety functions. The remaining switches are not
used in this application example.
In this application example, only the upper (red) drive of the two-axis
Note
demonstration case is used. The DRIVE-CLiQ connection to the encoder of the
lower motor (gray cable) should be withdrawn. Topology alarm A1416 is output if
this is not done.
12
PROFIsafe SLS Override
Version 1.0, Entry ID: 81682475