Table 562:
IRIG-B
Type
Value
Accuracy
Input impedance
430 Ohm
-
Minimum input voltage
HIGH
4.3 V
-
Maximum input voltage
LOW
0.8 V
-
Table 563:
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 564:
Serial rear interface
Type
Counter connector
Serial port (X9)
Optical serial port, type ST for IEC 60870-5-103 and
DNP serial
Table 565:
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 502 048-UUS A
Section 19
Technical data
727
Technical manual
Содержание Relion
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