Siemens SINAMICS DCM - Page 3

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