Frequency Overview
Broadband Devices in the VF Range [kHz]
Table 2-13
Command Frequencies of Broadband Devices
Command Frequency
VF1
VF1_M5A
VF3_M5A
Guard tone f
g
2.615
2.615
3.810
USYNC f
s
1)
1.920
0.365
0.444
f
1
1.700
1.920
2.000
f
2
1.475
1.700
1.780
f
3
0.810
1.475
1.555
f
4
1.030
1.250
1.335
f
5
-
1.030
1.110
f
6
-
0.810
0.890
f
7
-
0.585
0.665
1)
Frequency f
s
is used for clock synchronization (master-slave) between 2 SWT 3000 units and is transmitted
from the master to the slave unit once every 24 h at a configurable hour.
Table 2-14
Coded Tripping Variants in the VF Range
Command Frequency
VF1_CT
VF3_CT
Guard tone f
g
2.615
3.810
USYNC f
s
1)
1.920
2.000
f
1
1.700
1.780
f
2
1.475
1.555
f
3
1.250
1.335
f
4
1.030
1.110
f
5
0.810
0.890
f
6
0.585
0.665
f
7
0.365
0.444
1)
Frequency f
s
is used for clock synchronization (master-slave) between 2 SWT 3000 units and is transmitted
from the master to the slave unit once every 24 h at a configurable hour.
Narrow-Band Devices in the VF Range [kHz]
Table 2-15
Command Frequencies of Narrow-Band Devices
Command Frequency
NB Ch1
NB Ch2
NB Ch3
NB Ch4
Guard tone f
g
1.263
2.274
3.284
3.789
USYNC f
s
1)
1.137
2.147
3.158
3.663
f
1
1.011
2.021
3.032
3.537
f
2
0.884
1.895
2.905
3.411
f
3
0.758
1.768
2.779
3.284
2.8
2.8.1
2.8.2
Functional Description
2.8 Frequency Overview
Smart Communication, SWT 3000 Teleprotection, Equipment Manual
59
C53000-G6040-C605-1, Edition 03.2020
