Technical specifications
12.2 Electrical, EMC and climatic requirements
SIWAREX WP241
Manual, 04/2014, A5E33713528A
175
The use of SIWAREX WP241 is intended under the following conditions in SIMATIC S7-
1200. Additionally observe the operating conditions of the S7-1200 system.
Table 12- 15 Operating conditions in accordance with IEC 60721
Mode IEC60721-3-3
• Class 3M3, 3K3, stationary use, weather-
proofed
Storage/transport IEC 60721-3-2
class 2K4 without precipitation
Table 12- 16 Climatic requirements
Operating temperature: vertical installation
-10 ... +60 °C
horizontal
installation in S7-
-10 ... +40 °C
Operation with
verification
capability
-10 ... +40 °C
Storage and transport temperature
Relative humidity 5 ... 95 % No condensation;
corresponds to relative
humidity (RH) stress level 2
to DIN IEC 61131-2
Contaminant concentration SO
2
: < 0.5 ppm
H
2
S: < 0.1 ppm;
RH < 60%, no
condensation
Atmospheric pressure Operation IEC 60068-2-13 1 080 ... 795 hPa
(operation) (-1 000 to +2
Transport and
storage
IEC 60068-2-13 1 080 ... 660 hPa
(operation) (-1 000 to +3