30
Digitax ST User Guide
Issue: 5
Figure 4-6 Grounding bracket at the top of the drive
Figure 4-7 Grounding bracket at the bottom of the drive
Grounding bracket and drive to be directly connected to a grounded
backplate.
1. The distance for EMC (shown in Figure 4-7 above) from the drive is as
follows:
200 V drive - Allowance up to 65 mm (2.56 in)
400 V drive - Allowance up to 100 mm (3.94 in)
The grounding bracket can remain mounted when the drive is removed.
as follows.
Figure 4-8 Multiple drives with single grounding bracket
If installing multiple drives, one grounding bracket can be used for two
drives.
4.11 Internal and external conducted
emissions conformity
Table 4-13 Immunity compliance
1
NOTE
NOTE
Standard
Type of
immunity
Test specification
Application
Level
IEC61000-4-2
EN61000-4-2
Electrostatic
discharge
6 kV contact
discharge
8 kV air discharge
Module
enclosure
Level 3
(industrial)
IEC61000-4-3
EN61000-4-3
Radio
frequency
radiated field
10V/m prior to
modulation
80 - 1000 MHz
80 % AM (1 kHz)
modulation
Module
enclosure
Level 3
(industrial)
IEC61000-4-4
EN61000-4-4
Fast transient
burst
5/50 ns 2 kV
transient at 5 kHz
repetition frequency
via coupling clamp
Control lines
Level 4
(industrial
harsh)
5/50 ns 2 kV
transient at 5 kHz
repetition frequency
by direct injection
Power lines
Level 3
(industrial)
IEC61000-4-5
EN61000-4-5
Surges
Common mode 4 kV
1.2/50
μ
s
waveshape
AC supply
lines:
line to ground
Level 4
Differential mode 2
kV
1.2/50
μ
s
waveshape
AC supply
lines:
line to line
Level 3
Lines to ground
Signal ports
to ground
Level 2
IEC61000-4-6
EN61000-4-6
Conducted
radio
frequency
10V prior to
modulation
0.15 - 80 MHz
80 % AM (1 kHz)
modulation
Control and
power lines
Level 3
(industrial)
IEC61000-4-11
EN61000-4-11
Voltage dips
and
interruptions
-30 % 10 ms
+60 % 100 ms
-60 % 1 s
<-95 % 5 s
AC power
ports
IEC61000-6-1
EN61000-6-
1:2007
Generic immunity standard for the
residential, commercial and light -
industrial environment
Complies
IEC61000-6-2
EN61000-6-
2:2005
Generic immunity standard for the
industrial environment
Complies
EN 61800-
3:2004
IEC61800-3
Product standard for adjustable
speed power drive systems
(immunity requirements)
Meets immunity
requirements for first and
second environments
Содержание Digitax ST
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