ABB Relion REM615 Product Manual page 24

Motor Protection and Control
REM615
Product version: 3.0
Table 15. Station communication link, fibre-optic
Connector
Fibre type
LC MM 62.5/125 μm
glass fibre core
LC SM 9/125 μm
ST MM 62.5/125 μm
glass fibre core
1) (MM) multi-mode fibre, (SM) single-mode fibre
2) Maximum allowed attenuation caused by connectors and cable together
Table 16. IRIG-B
Description
IRIG time code format
Isolation
Modulation
Logic level
Current consumption
Power consumption
1) According to 200-04 IRIG -standard
Table 17. Lens sensor and optical fibre for arc protection
Description
Fibre-optic cable including lens
Normal service temperature range of the lens -40...+100°C
Maximum service temperature range of the
lens, max 1 h
Minimum permissible bending radius of the
connection fibre
Table 18. Degree of protection of flush-mounted IED
Description
Front side
Rear side, connection terminals
24
1) Wave
length
1300 nm
1300 nm
820-900 nm
Value
B004, B005
500V 1 min.
Unmodulated
TTL Level
2...4 mA
10...20 mW
Value
1.5 m, 3.0 m or 5.0 m
+140°C
100 mm
Value
IP 54
IP 20
Issued: 2010-06-29
Max. Permitted path
distance
attenuation
2 km <8 dB
2-20 km <8 dB
1 km <11 dB
1)
1MRS756890 D
2)
ABB