Description; About This Chapter; Overview Of The Safety Functions - Siemens SINAMICS G120 Function Manual

Description

3.1

About this chapter

This section provides an overview of the principle mode of operation of safety functions
integrated in the drive.
What can you find in this Chapter?
● Preconditions and restrictions when using the safety functions
● The principle mode of operation of safety functions integrated in the drive
● Application examples
● The assignment as to which inverters have which safety functions
3.2

Overview of the safety functions

Basic functions and extended functions
The safety functions integrated in the drive are split up according to basic functions and
extended functions.
The basic functions prevent hazardous motion
using one or several of the following measures:
•
•
The following basic functions are available:
•
•
•
Each of the inverters described in this manual
has one or several of the basic functions.
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 04/2014, FW V4.7, A5E34261271B AA
Basic functions
The energy feed to the motor is safely
switched off
The motor holding brake solenoid is safely
deenergized
Safe Torque Off (STO)
Safe Brake Control (SBC)
Safe Stop 1 (SS1) without speed monitoring
Safety functions integrated in the drive
Extended functions include several basic
functions and additional functions to safely
monitor the motor speed:
STO and SBC basic functions
•
Safe Stop 1 (SS1) with speed monitoring
•
Safely Limited Speed (SLS)
•
Safe Direction (SDI)
•
Safe Speed Monitor (SSM)
•
Whether an inverter has extended functions
generally depends on the Control Unit hardware.
The corresponding inverters have an "F" at the
end of the product name, e.g. Control Unit
CU240E-2 F. For SINAMICS G120 with a
CU250S-2 Control Unit, you require a license for
the extended functions.
Extended functions
3
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