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5.1 Requirements to Meet EMC Directive
5.1.1 EMC directive
5.1.1 EMC directive
The standards of the EMC Directive are shown below.
(Continued to next page)
Applied
standard
Test standard Test details Standard value
EN61131-2
: 2007
EN55011
Radiated noise
*1
Electromagnetic emissions from the
product are measured.
30M-230MHz QP:
30dB V/m (30m in measurement
range)
*2, *3
230M-1000MHz QP:
37dB V/m(30m in measurement
range)
*2, *3
EN55011
Conducted noise
*1
Electromagnetic emissions from the
product to the power line is
measured.
150k-500kHz QP:79dB,
Mean: 66dB
*2
500k-30MHz QP:73dB,
Mean: 60dB
*2
EN61000-4-2
Electrostatic immunity
*1
Immunity test in which static
electricity is applied to the cabinet of
the equipment.
4kV Contact discharge
8kV Aerial discharge
EN61000-4-3
Radiated field AM
modulation
*1
Immunity test in which field is
irradiated to the product.
80-1000MHz:10V/m
1.4-2GHz:3V/m
2.0-2.7GHz:1V/m
80%AM modulation@1kHz
EN61000-4-4
Fast transient burst
noise
*1
Immunity test in which burst noise is
applied to the power line and signal
lines.
Power line:2kV
Digital I/O(24V or higher): 1kV
(Digital I/O(24V or less))> 250V
(Analog I/O, signal lines)> 250V
EN61000-4-5
Surge immunity
*1
Immunity test in which lightening
surge is applied to the product.
AC power type
Power line (between line and ground)
: 2kV
Power line (between lines)
: 1kV
Data communication port
: 1kV
DC power type
Power line (between line and ground)
: 0.5kV
Power line (between lines)
: 0.5kV
Data communication port
: 1kV
EN61000-4-6
Conducted RF
immunity
*1
Immunity test in which a noise
inducted on the power and signal
lines is applied.
Power line: 10V
Data communication port: 10V
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