Siemens SIMATIC Distributed I/O System DP/ASi Link Manual page 113

Mechanical Environmental Conditions
Operating conditions to IEC 654-3
10 Hz f < 57 Hz Const. amplitude 0.35 mm
57 Hz f < 150 Hz Const. acceleration 5 g
Oscillation type Frequency sweeps with
variation rate of
1 octave/min.
Oscillation period 10 frequency sweeps per
axis in all of the three per
pendicular axes
Operating conditions V.T.1 (corresponds to
100 % frequency)
Schock tested to IEC 68-2-27
Type of shock Half sine
Force of shock 30 g peak value,
18 ms duration
Direction of shock 6 shocks in all of the three
perpendicular axes
Repetitive shock tested to IEC 68-2-29
Type of shock Half sine
Force of shock 25 g peak value;
6 ms duration
Direction of shock 1000 shocks in all of the
three perpendicular axes
Drop and topple to IEC 68-2-31
Tested with Height of fall of 100 mm
Distributed I/O System DP/ASi Link
EWA 4NEB 710 6055-02b
Electromagnetic Compatibility (EMC)/ Noise Immu-
nity
Discharge of static electricity to IEC 801-2
Discharge of static 8 kV air discharge
electricity
Discharge to all parts ac
cessible to the operator in
normal operation.
Test voltage 4 kV relay discharge
(relative humidity 30 to
95 %)
Electromagnetic fields to IEC 801-3
Field strength 10 V/m
Rapid transient (burst) voltages to IEC 801-4
DC power supply 2 kV
Communication inter 2 kV
face
Safety Aspects
Insulation rating
Between electrically To DIN VDE 0160
independent circuits (05.1988)
and circuits connected
to a central grounding
point
Between all circuits To DIN VDE 0160
and central grounding (05.1988)
point
Radio interference To EN 50081-2: 1994, use
in industrial environment
Technical Data
A-5