Frequency Overview; Broadband Devices In The Vf Range [Khz]; Narrow-Band Devices In The Vf Range [Khz] - Siemens SWT 3000 Equipment Manual

2.8

Frequency Overview

Broadband Devices in the VF Range [kHz]

2.8.1
Table 2-13
Command Frequency
Guard tone f
g
USYNC f 1)
s
f
1
f
2
f
3
f
4
f
5
f
6
f
7
1) Frequency f is used for clock synchronization (master-slave) between 2 SWT 3000 units and is transmitted
s
from the master to the slave unit once every 24 h at a configurable hour.
Table 2-14
Command Frequency
Guard tone f
g
USYNC f 1)
s
f
1
f
2
f
3
f
4
f
5
f
6
f
7
1) Frequency f is used for clock synchronization (master-slave) between 2 SWT 3000 units and is transmitted
s
from the master to the slave unit once every 24 h at a configurable hour.

Narrow-Band Devices in the VF Range [kHz]

2.8.2
Table 2-15
Command Frequency
Guard tone f
g
USYNC f 1)
s
f
1
f
2
f
3
Smart Communication, SWT 3000 Teleprotection, Equipment Manual
C53000-G6040-C605-1, Edition 03.2020
Command Frequencies of Broadband Devices
Coded Tripping Variants in the VF Range
Command Frequencies of Narrow-Band Devices
VF1 VF1_M5A
2.615 2.615
1.920 0.365
1.700 1.920
1.475 1.700
0.810 1.475
1.030 1.250
- 1.030
- 0.810
- 0.585
VF1_CT
2.615
1.920
1.700
1.475
1.250
1.030
0.810
0.585
0.365
NB Ch1 NB Ch2
1.263 2.274
1.137 2.147
1.011 2.021
0.884 1.895
0.758 1.768
Functional Description
2.8 Frequency Overview
VF3_M5A
3.810
0.444
2.000
1.780
1.555
1.335
1.110
0.890
0.665
VF3_CT
3.810
2.000
1.780
1.555
1.335
1.110
0.890
0.665
0.444
NB Ch3 NB Ch4
3.284 3.789
3.158 3.663
3.032 3.537
2.905 3.411
2.779 3.284
59