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Immunity
In order to document immunity towards
interference from electrical phenomena
external, the following immunity test has
been made on a system consisting of a
The tests were made using the following
standards:
IEC 1000-4-2 (IEC 801-2/1991):
Electrostatic discharges (ESD)
Simulation of electrostatic discharges from
human beings.
IEC 1000-4-3 (IEC 801-3):
Incoming electromagnetic field radia-
tion
Simulation of the effects of radar and radio
communication equipment as well as
mobile communications equipment.
IEC 1000-4-4 (IEC 801-4):
Burst transients
Simulation of interference brought about
by coupling with a contactor, relays or
similar devices.
VLT
3002-3008 380-500V, VLT
®
Basic
standard
Burst
IEC 1000-4-4
Acceptance
criterion
B
Port
connection
CM
Line
OK
Motor
OK
Brake
OK
Control lines
OK
PROFIBUS
option
OK
Signal interface < 3 m
OK
Enclosure
-
Basic specification:
Line
2kV/5kHz/DCN
Motor
2kV/5kHz/CCC
Brake
2kV/5kHz/CCC
Control lines
2kV/5kHz/CCC
PROFIBUS
option
2kV/5kHz/CCC
Signal interface < 3 m
1kV/5kHz/CCC
Enclosure
-
Acceptance criteria according to: IEC 22G/21/CDV, EN50082-2, 175R0740
DM: Differential mode
CM: Common mode
CCC: Capacitive clamp coupling
DCN: Direct coupling network
®
MG.30.A7.02 - VLT
is a registered Danfoss trademark
VLT
®
frequency converter (with options, if
relevant), a screened control cable and
control box with potentiometer, screened
motor cable and motor.
Fault criteria and test were in accordance
with EN50082-2 and IEC 22G/21/CDV.
IEC 1000-4-5:
Surge transients
Simulation of transients brought about e.g.
by lightening that strikes near installations.
ENV50141:
Cable-borne HF
Simulation of the effect of radio transmis-
sion equipment coupled to connection
cables.
VDE0160 class W2 test pulse:
Mains transients
Simulation of high-energy transients
brought about by main fuse breakage,
coupling with phase-compensation
batteries, etc.
3002-3004 200V
®
Surge
ESD
Radiated
IEC 1000-4-5
IEC 1000-4-2
tromagn.
B
B
DM
CM
OK
OK
-
-
-
-
-
-
-
-
OK
-
-
-
-
-
-
-
-
-
OK
Ω
Ω
2kV/2
4kV/12
-
-
-
-
-
-
-
Ω
-
2kV/2
*
-
-
-
-
-
-
-
8 kV AD
-
-
6 kV CD
* Injection on cable shield
** 2,3 x Û
: max. testpulse 1250 V peak
N
IEC 10
A
-
-
-
-
-
-
OK
-
N
-
-
-
-
-
10V
135
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