ABB REC650 - Enclosure Class

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 563: Serial rear interface
Type Counter connector
Serial port (X9) Optical serial port, type ST for IEC 60870-5-103
and DNP serial
Table 564: 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
17.8 Enclosure class
17.9 Ingress protection
Table 565: 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 511 287-UEN A Section 17
Technical data
605
Technical manual