Siemens SIMATIC S5-115U User Manual page 534

Simatic s5 series cpu 941-7ub11 cpu 942-7ub11 cpu 943-7ub11 and cpu 943-7ub21 cpu 944-7ub11 and cpu 944-7ub21
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Technical Specifications
Electromagnetic Compatibility (EMC)
Noise Immunity
Immunity to static electrical discharge
- tested in accordance with EN 61000-4-2
- Discharge to air
- Discharge on contact
Immunity to electromagnetic fields
- tested in accordance with EN V 50140
(amplitude-modulated HF)
- tested in accordance with EN V 50204
(pulse-modulated HF)
Immunity to fast transient bursts
- tested in accordance with EN 61000-4-4
- Supply lines for 120/230 V AC
- Supply lines for 24 V DC
- Signal lines (I/O and bus lines)
Immunity to high frequency
- tested in accordance with EN V 50141
Emitted interference
- tested in accordance with EN 55011
- Emmission of electromagnetic
fields
- Emitted interference over
supply cable
Damped Oscillatory Wave Test
- AC power supply modules
- DC power supply modules
- output 24 V DC
- input 115/230 V AC
- digital input/output modules
- analog input/output modules
- communications interfaces
* Signal lines that are not used for process control, for
example, connections to external printers: 1 kV
15-4
IEC / VDE
Safety Information
Degree of Protection
- Type
8 kV
4 kV
- Class
Isolation Rating
80 to 1000 MHz
- between electrically
10 V/m
independent circuits
80 % AM (1 kHz)
and
with circuits connected
900 MHz
by a central grounding
10 V/m
point
50 % ED, 200 Hz
repetition frequency
- between all
circuits
and
2 kV
central grounding
2 kV
point
2 kV*
(standard mounting rail)
Test Voltage
0.15 to 80 MHz
for a rated
10 V
voltage V
80 % AM (1 kHz)
circuits (AC/DC)
Source impedance
V
=0 to 50 V
e
150
V
=50 to 125 V
e
V
=125 to 250 V
e
Impulse voltage
for a rated
Limit value class A,
voltage V
Group 1
circuits (AC/DC)
V
=0 to 50 V
e
Limit value class A,
V
=50 to 125 V
e
Group 1
V
=125 to 250 V
e
according to
IEC 255-4
2.5 kV
1 kV
1 kV
2.5 kV
2.5 kV
1 kV
1 kV
S5-115U Manual
according to IEC 529
IP 20
according to
IEC 536
according to
VDE 0160
according to
VDE 0160
Sine, 50 Hz
of the
e
500 V DC
1250 V AC
1500 V AC
according to
IEC 255-4
of the
e
1 kV, 1.2/50 µsec.
1 kV, 1.2/50 µsec.
3 kV, 1.2/50 µsec.
EWA 4NEB 811 6130-02b

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