Siemens simatic ET 200MP, System Manual

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Technical specifications
10.2 Electromagnetic compatibility
ET 200MP Distributed I/O System
100
System Manual, 01/2013, A5E03723484-01
10.2 Electromagnetic compatibility
Definition
Electromagnetic compatibility (EMC) is the ability of an electrical installation to function
satisfactorily in its electromagnetic environment without interfering with that environment.
Among other things, the ET 200MP distributed I/O system also meets the requirements of
the EMC legislation for the European single market. The prerequisite for this is that the
ET 200MP complies with the requirements and guidelines relating to electrical equipment.
EMC in accordance with NE21
The ET 200MP meets the EMC specifications of the NAMUR guideline NE21.
Pulse-shaped disturbances
The following table shows the electromagnetic compatibility of the ET 200MP with regard to
pulse-shaped disturbances.
Table 10- 2 Pulse-shaped disturbances
Pulse-shaped disturbance Test voltage Corresponds
with degree of
severity
Electrostatic discharge in
accordance with IEC 61000-4-2.
Air discharge: ±8 kV
Contact discharge: ±6 kV 3
3
Burst pulses (high-speed transient
disturbances) in accordance with
IEC 61000-4-4.
±2 kV (power supply lines)
±2 kV (signal lines > 30 m)
±1 kV (signal lines < 30 m)
3
3
High-energy single pulse (surge) in accordance with IEC 61000-4-5
External protective circuit required (not for 230 V modules)
(see function manual Designing interference-free controllers
)
•
Asymmetric coupling
±2 kV (power supply lines)
DC with protective elements
±2 kV (signal/data line only > 30 m), with
protective elements
•
Symmetric coupling
±1 kV (power supply lines) DC with
protective elements
±1 kV (signal/data line only > 30 m), with
protective elements
3