Electromagnetic Compatibility - Siemens Simatic ET 200S Operating Instructions Manual

9.2

Electromagnetic compatibility

9.2
Definition
Electromagnetic compatibility refers to the capability of electrical equipment to reliably
perform its dedicated function in an electromagnetic environment, without causing
interference in the same environment.
The ET 200S distributed I/O system meets the requirements of the European Union's EMC
law, for example. This requires that the ET 200S distributed I/O system meets the
specifications and directives concerning electrical installation.
Pulseshaped Interferences
The following table shows the electromagnetic compatibility of the ET 200S distributed I/O
system compared to pulse-shaped interferences.
Electrostatic discharge according
to IEC 61000-4-2
Burst pulse (fast transient
interferences) complying with
IEC 61000-4-4
High-energy single pulse (surge) according to IEC 61000-4-5
Only with lightning protection elements (see the DP master manual and
the description of
•
•
Sinusoidal Interferences
The following table shows the electromagnetic compatibility of the ET 200S distributed I/O
system compared to sinusoidal interferences.
80 to 1000 MHz
10 V/m
80 % AM (1 kHz)
ET 200S
Operating Instructions, 12/2005, A5E00515771-03
Pulse-shaped interference
SIMATIC NET PROFIBUS Networks
asymmetrical coupling
symmetrical coupling
HF radiation according to IEC 61000-4-3
Electromagnetic HF field
amplitude modulated
tested with
8 kV
4 kV
2 kV (supply line)
2 kV (signal line)
)
2 kV (supply line)
2 kV (signal / data line)
1 kV (supply line)
1 kV (signal / data line)
pulse modulated
900 MHz ± 5 MHz
50 % ED
200 Hz repetition frequency
General technical specifications
9.2 Electromagnetic compatibility
corresponds with degree
of severity
3 (air discharge)
2 (contact discharge)
3
3
3
HF coupling according to
IEC 61000-4-6
0.15 to 80 MHz
10 V unmodulated
eff
80 % AM (1 kHz)
150 Ω source impedance
9-5