Irig-B; Degree Of Protection Of Flush-Mounted Protection Relay - ABB RELION REC615 Technical Manual

1MRS758755 C
Connector
ST
14.14

IRIG-B

Table 764: IRIG-B
Description
IRIG time code format
Isolation
Modulation
Logic level
Current consumption
Power consumption
14.15 Degree of protection of flush-mounted protection
relay
Table 765: Degree of protection of flush-mounted protection relay
Description
Front side
Rear side, connection terminals
1
Maximum allowed attenuation caused by connectors and cable together
2
According to the 200-04 IRIG standard
3
According to IEC 60529
REC615 & RER615
Technical Manual
Fibre type Wave length
50/125 μm glass
fibre core
MM 62.5/125 or 820...900 nm
50/125 μm glass
fibre core
Max. distance
1 km
Value
2
B004, B005
500V 1 min
Unmodulated
TTL level
2...4 mA
10...20 mW
Value
3
IP 54
3
IP 20
Technical data
Permitted path
1
attenuation
<11 dB
857