OPERATING CONDITIONS
3.1.4 Electrical operating conditions
3.1.4.1 Device classification
Requirement
Overvoltage category
Pollution degree
Table 5:
Device classification
3.1.4.2 Electromagnetic compatibility
For devices without an internal filter, an external filter is required to comply with the
following limits.
EMC emitted interference
Conducted interdference
emission
Radiated emissions
Immunity
Static discharges
Burst - Ports for process
measurement control lines
and signal interfaces
Burst - AC - Power interfaces
Surge - Power ports
Conducted immunity, induced
by high-frequency fields
Electromagnetic fields
Voltage fluctuations/
voltage dips
Frequency changes
Voltage deviations
Voltage unbalance
Table 6:
Electromagnetic compatibility
Standard
Class
III
EN 61800-5-1
2
EN 60664-1
Standard
Class
C2
EN 61800-3
C2
EN 61800-3
Standard
Level
8 kV
EN 61000-4-2
4 kV
2 kV
EN 61000-4-4
EN 61000-4-4
4 kV
1 kV
EN 61000-4-5
2 kV
EN 61000-4-6
10 V
10 V/m
3 V/m
EN 61000-4-3
1 V/m
EN 61000-2-1
–
EN 61000-4-34
–
EN 61000-2-4
EN 61000-2-4
–
–
EN 61000-2-4
Descriptions
–
Non-conductive pollution, occasional conden-
sation when PDS is out of service.
Descriptions
–
–
Descriptions
AD (air discharge)
CD (contact discharge)
–
–
Phase-phase
Phase-ground
0.15...80 MHz
80 MHz...1 GHz
1.4...2 GHz
2...2.7 GHz
-15 %...+10 %
Class 3
≤ 2 %
±10 %
≤ 3 %
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