Siemens SINAMICS DCM User Manual page 3

SINAMICS DCM
DC Converter
Application document for functional
safety STO, SS1 (ISO 13849-1)
Compact User Manual
09/2016
A5E34871844AM
Introduction
Principle of the dual channel
architecture
STO stop Category 0 with
one switching device
SS1 stop Category 1 with
one switching device
STO, two switching devices
in series
SS1, two switching devices
connected in series
STO stop Category 0,
several power units
SS1 stop Category 1 for
several power units
Evaluating the safety
functions according to EN
ISO 13849 when using one
switching device
Evaluating the safety
functions according to EN
ISO 13849 when using two
switching devices
Evaluation of the safety
function according to EN
62061
Standards
Recommended safety relays
Connection circuit diagrams
for the switching devices
Recommended circuit
breakers and power
contactors
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15