Type
Value
Conditions
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 549:
Serial rear interface
Type
Counter connector
Serial port (X9)
Optical serial port, type ST for IEC 60870-5-103
and DNP serial
Table 550:
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
19.9
Ingress protection
Table 551:
Ingress protection
Description
Value
IED front
IP 54
IED rear
IP 20
IED sides
IP 40
IED top
IP 40
IED bottom
IP 20
1MRK 504 135-UEN A
Section 19
Technical data
619
Technical manual
Summary of Contents for ret650
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