ABB RELION REX640 - Page 1946

Table 1677: Serial interface
Type Connector
Screw terminal X8 10-pin 2-row connector
Serial port X7 Optical ST-connector
Table 1678: USB interface, HMI
Type Description
USB Hi-Speed USB Type A
Table 1679: Ethernet interfaces (connectors X0, X1, X2 and X3)
Connector Media Reach
1
Rate Wavelength Permitted
path
attenuation
2
RJ-45 CAT 6 S/FTP 100 m 100 mbits/s – –
LC MM 62.5/125
or 50/125 μm
glass fiber
core
2 km 100 mbits/s 1300 nm <8 dB
Table 1680: Maximum processing delay time
SMVSENDER internal
processing time (us)
50 Hz nominal frequency 60 Hz nominal frequency
Average processing delay
time
1800 1520
Maximum processing delay
time
2000 1720
Table 1681: Protection communication link (connector X6)
Connector Part number
3
Fiber type Reach
1
Wavelength Permitted
path
attenuation
2
LC (SFP) 2RCA045621 MM 62.5/125
or 50/125 μm
2 km 1310 nm <8 dB
LC (SFP) 2RCA045622 SM 9/125 μm 20 km 1310 nm <13 dB
LC (SFP) 2RCA045623 SM 9/125 μm 50 km 1310 nm <26 dB
1
Maximum length depends on the cable attenuation and quality, the amount of splices and
connectors in the path.
2
Maximum allowed attenuation caused by connectors and cable together.
3
Only these ABB verified SFP modules are supported in the protection communication link (port
X6 in the communication module).
Technical data 1MRS759142 F
1946 REX640
Technical Manual