Siemens SIWAREX FTA Device Manual page 200

Weighing electronics for automatic scale
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Technical Data
Interference immunity (Industrial use): EN 61000-6-2
Comments
Burst pulses on power supply
lines:
Burst pulses on data and
signal lines:
Electrostatic discharge (ESD)
Electrostatic air discharge
(ESD)
Surge on power supply lines
Surge on data and signal lines : IEC 61000-4-5
HF irradiation
(electromagnetic fields) 26
MHz to 2000 MHz
HF voltage on data-, signal-
and current supply lines
0.15 to 80 MHz
Table 14-12
Data: Electromagnetic Compatibility
An external protection element should be fitted to meet the requirements (e. g.: Blitzductor
*
VT AD24V, from Dehn&Söhne)
Notice
This is a class A device. In residential areas, this device can cause radio
interference. In such areas, users must take suitable measures (e.g.: use in 8MC
.
cabinets)
14-188
Standard
IEC 61000-4-4
IEC 61131-2
NAMUR NE 21
IEC 61000-4-4
IEC 61131-2
NAMUR NE 21
IEC 61000-4-2
NAMUR NE 21
IEC 61000-4-2
NAMUR NE 21
IEC 61000-4-5
NAMUR NE 21
IEC 61131-2
NAMUR NE 21
IEC 61131-2
IEC 61000-4-3
IEC 61131-2
NAMUR NE 21
IEC 61000-4-6
IEC 61131-2
NAMUR NE 21
Degree of severity
2 kV
1 kV (RS232 port)
2 kV (remaining data and signal
lines)
6 kV
8 kV
+ 2 kV unsym.*
+ 1 kV sym.*
+ 1 kV unsym.
(on cable shield)
26 MHz to 1000 MHz and 1.4
GHz to 2.0 GHz: 10 V/m
900 MHz and 1.89 GHz: 10
V/m
2.0 GHz – 2.7 GHz : 1V/m
0,15 kHz – 80 MHz
10V (80% AM 1 kHz)
SIWAREX FTA

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