Comments Standard Severity class
Surge on data and signal cables EN 61000-4-5
IEC 61131-2
NAMUR NE21
EN 61326
● 2 kV asymmetric
HF irradiation amplitude modulated IEC61000-4-3
NAMUR NE21
OIML R76
EN 45501*3
● 80 to 2 000 MHz: 20 V/m
HF irradiation, cell phone frequen‐
cies
IEC 61000-4-3
● 900 MHz (± 5 MHz)
● 1.89 Ghz (± 10 MHz)
● 20 V/m
HF voltage on data, signal and pow‐
er supply cables 0.15 to 80 MHz
IEC 61000-4-6
NAMUR NE21
EN 61326
OIML R 76
● 10 kHz to 80 MHz: 10 V
rms
● Mod.: 80% AM with 1 kHz
1)
An external protection element has to be installed to meet the requirement (e.g.: Blitzductor VT
AD24V, Dehn&Söhne)
2)
◂Not applicable for shielded cables and symmetric ports
NOTICE
Radio interference is possible
This is a device of class A. The device may cause radio interference in residential areas.
Implement appropriate measures (e.g.: use in 8MC cabinets) to prevent radio interference.
Ambient conditions
The use of SIWAREX WP321 is intended under the following conditions in SIMATIC ET 200SP.
Table 12-3 Operating conditions to IEC 60721
Mode IEC60721-3-3
● Class 3M3, stationary use, weather-proofed
Storage/transport IEC 60721-3-2
class 2M2 without precipitation
Contaminant concentration
SO
2
: < 0.5 ppm
H
2
S: < 0.1 ppm;
RH < 60%, no condensation
Table 12-4 Climatic requirements
Comments Ambient conditions Application areas
Operating temperature:
● Horizontal installation in S7
-25 ... +60 °C The S7 standard modules may
not be operated at temperatures
below 0 °C.
● Vertical installation in S7
-25 ... +50 °C
Technical data
12.2 Electrical, EMC and climatic requirements
SIWAREX WP321
Operating Instructions, 08/2019, A5E33715669A-AD 119
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