Table 644:
IRIG-B
Type
Value
Accuracy
Input impedance
430 Ohm
-
Minimum input voltage
HIGH
4.3 V
-
Maximum input voltage
LOW
0.8 V
-
Table 645:
EIA-485 interface
Type
Value
Conditions
Minimum differential
driver output voltage
1.5 V
–
Maximum output current 60 mA
-
Minimum differential
receiver input voltage
0.2 V
-
Supported bit rates
300, 600, 1200, 2400,
4800, 9600, 19200,
38400, 57600, 115200
-
Maximum number of 650
IEDs supported on the
same bus
32
-
Max. cable length
925 m (3000 ft)
Cable: AWG24 or better, stub lines shall be avoided
Table 646:
Serial rear interface
Type
Counter connector
Serial port (X9)
Optical serial port, type ST for IEC 60870-5-103 and
DNP serial
Table 647:
Optical serial port (X9)
Wave length
Fibre type
Connector
Permitted path attenuation
1)
820 nm
MM 62,5/125 µm
glass fibre core
ST
6.8 dB (approx. 1700m length with 4 db /
km fibre attenuation)
820 nm
MM 50/125 µm
glass fibre core
ST
2.4 dB (approx. 600m length with 4 db / km
fibre attenuation)
1) Maximum allowed attenuation caused by fibre
19.8
Enclosure class
1MRK 506 335-UUS A
Section 19
Technical data
805
Technical manual
Содержание REL650 series
Страница 1: ...Relion 650 series Line distance protection REL650 ANSI Technical manual ...
Страница 2: ......
Страница 42: ...36 ...
Страница 48: ...42 ...
Страница 58: ...52 ...
Страница 68: ...62 ...
Страница 74: ...68 ...
Страница 194: ...188 ...
Страница 534: ...528 ...
Страница 580: ...574 ...
Страница 722: ...716 ...
Страница 792: ...786 ...
Страница 855: ...849 ...