Siemens Simatic 6ES7 157-0AC80-0 A0 Series, Manual

Page: 134 / 182

Technical Specifications
B-12
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
Table B-7 Climatic ambient conditions
Ambient conditions Comments Permissible range
Air pressure From 1080 to 795 hPa Corresponds to a height of
-1000 to 2000 m
Contaminant concentration SO
2
: < 0.5 ppm;
RH < 60 %, no
condensation
H
2
S: < 0.1 ppm;
RH < 60 %, no
condensation
Test: 10 ppm; 4 days
Test: 1 ppm; 4 days
B.1.6 Data on insulation tests, protection class and degree of
protection
Test voltages
The insulating properties are verified in individual testing with the following test
voltages:
Table B-8 Test voltages
Circuits with a rated voltage of U
e
against
other circuits or ground
Test voltage
0 V < U
e
v
50 V 600 VDC, 1 s
Protection class
Protection class I in accordance with IEC 60536, i. e. PE connection to rail is
required!
Protection against solid bodies and water
Protection type IP 20 in accordance with IEC 60529; i.e., protection against contact
with standard probes.
There is not protection against the instrusion of water.