8-4 Electromagnetic Compatibility (EMC) Rexroth IndraDrive
DOK-INDRV*-SYSTEM*****-PR02-EN-P
Limit Values for Line-Based Disturbances
According to IEC EN 61800-3 or CISPR 11, the limit values in the table
below are distinguished. For this documentation both standards are
combined in the limit value classes A2.1 to B1.
Limit value classes
IEC / EN 61800-3 CISPR 11 Explanation Limit value
class
2
nd
environment;
I >100A
Class A;
Group 2
I >100A
limit value in industrial areas to be complied with for applications
operated at supply mains with nominal currents > 100A
A2.1
2
nd
environment;
I <100A
Class A;
Group 2
I <100A
limit value in industrial areas to be complied with for applications
operated at supply mains with nominal currents < 100A
A2.2
1
st
environment;
restricted
distribution
Class A;
Group 1
Limit value in residential area or at facilities at low-voltage mains
supplying buildings in residential areas. To be complied with for
applications with restricted distribution.
A1
1
st
environment;
unrestricted
distribution
Class B;
Group 1
limit value in residential areas to be complied with for
applications with unrestricted distribution
B1
Fig. 8-4: Limit value classes
Limit value characteristic through frequency range
Limit values for line-based disturbances (DIN EN 61800-3/A11 /
DIN EN 55011
)
1.1
1.2
2.1
3.1
4.1
2.2
3.2
4.2
1.1
1.2
2.1
2.2
3.1
3.2
4.1
4.2
130
120
100
90
79
66
56
125
115
86
76
60
56
46
115
105
73
50
60
70
Second environment, I > 100A, QSP,
(industrial area: class A, group 2, I > 100A)
Second environment, I < 100A, QSP
(industrial area, class A, group 2, I < 100A)
Second environment, I < 100A, AV
(industrial area, class A, group 2, I < 100A)
First environment (1),
restricted distribution, QSP,
(class A, group 1)
First environment (1),
restricted distribution, AV,
(class A, group 1)
First environment (1),
unrestricted distribution, QSP
,
(class B, group 1)
First environment (1),
unrestricted distribution, AV
,
(class B, group 1)
Second environment, I > 100A, AV
(industrial area, class A, group 2, I > 100A)
(1)Limit value for first environment is also relevant
if source of interference of second environment
affects first environment.
QSP: measuring method quasi peak measurement
AV: measuring method arithmetic averaging
Fig. 8-5: Limit values for line-based disturbances