9
(2) Regulations regarding immunity
*1 Programmable controllers are open-type devices (devices designed to be
housed inside other equipment) and must be installed inside a conductive
control panel. The corresponding tests were conducted with the
programmable controller installed inside a control panel.
*2 The accuracy of an analog-digital converter module may temporary vary
within 10%.
Standard Test item Test description Value specified in standard
EN61131-2:
2007
EN61000-4-2
Electrostatic
discharge immunity
*1
Immunity test in
which electrostatic
is applied to the
cabinet of the
equipment.
• 8kV Air discharge
• 4kV Contact discharge
EN61000-4-3
Radiated, radio-
frequency,
electromagnetic field
immunity *1
Immunity test in
which electric fields
are irradiated to the
product.
80% AM modulation@1kHz
• 80M-1000MHz: 10V/m
• 1.4G-2.0GHz: 3V/m
• 2.0G-2.7GHz: 1V/m
EN61000-4-4
Electrical fast
transient/burst
immunity *1
Immunity test in
which burst noise is
applied to the power
line and signal line.
• AC/DC main power, I/O power,
AC I/O (unshielded): 2kV
• DC I/O, analog, communication:
1kV
EN61000-4-5
Surge immunity *1
Immunity test in
which lightning
surge is applied to
the power line and
signal line.
• AC power line, AC I/O power,
AC I/O (unshielded)
: 2kV CM, 1kV DM
• DC power line, DC I/O power
: 0.5kV CM, DM
• DC I/O, AC I/O (shielded),
analog*2, communication: 1kV
CM
EN61000-4-6
Immunity to
conducted
disturbances,
induced by radio-
frequency fields *1
Immunity test in
which high
frequency noise is
applied to the power
line and signal line.
0.15M-80MHz, 80% AM
modulation@1kHz, 10Vrms
EN61000-4-8
Power-frequency
magnetic field
immunity *1
Immunity test in
which the product is
installed in inductive
magnetic field.
50Hz/60Hz, 30A/m
EN61000-4-11
Voltage dips and
interruption
immunity *1
Immunity test in
which power supply
voltage is
momentarily
interrupted.
• Apply at 0%, 0.5 cycles and
zero-cross point
• 0%, 250/300 cycles (50/60Hz)
• 40%, 10/12 cycles (50/60Hz)
• 70%, 25/30 cycles (50/60Hz)
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