ABB Relion SMU615 Technical Manual page 249

1MRS758407 B
SMU615
Technical Manual
Table 300: Ethernet interfaces
Ethernet interface Protocol
Front TCP/IP
protocol
Rear TCP/IP
protocol
Table 301: Fiber optic communication link
Connector Fiber type
LC MM 62.5/125 or
50/125 μm glass
fiber core
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
Table 302: Degree of protection of flush-mounted merging unit
Description
Front side
Rear side, connection terminals
Table 303: Sampled measured values accuracy
Description
Phase current
Residual current
Phase voltage
Residual voltage (calculated)
1) In the 80 A/0.150 V at 50 Hz sensor applications the maximum range depends on the application
nominal:
....833 A (...31.237 mV/Hz) corresponds to 6000%I
833...1250 A (31.237...46.875 mV/Hz) corresponds to 4000%I
1250...2500 A /46.875...93.750 mV/Hz) corresponds to 2000%I
2500...4000 A (93.750...150.000 mV/Hz) corresponds to 1250%I
Cable
Standard Ethernet CAT 5 cable with RJ-45
connector
Shielded twisted pair CAT 5e cable with
RJ-45 connector or fiber optic cable with LC
connector
Wave length Typical max.
1)
length
1300 nm 2 km
Value
IP 54
IP 20
Value
20%...6000%I
Amplitude: 1% or ±0.003×I
Angle: ±2º
1%...5%I
n
Amplitude: 0.001×I
Angle: ±4º
5%...6000%I
n
Amplitude: ±1%
Angle: ±1º
80%...120% of U
Amplitude: ±0.5%
Angle: ±1º
1%...100% of U
Amplitude: ±0.5% or ±0.001×U
Angle: ±2º
n
n
n
Section 11
Technical data
Data transfer rate
10 MBits/s
100 MBits/s
Permitted path attenuation
<8 dB
1)
n
n
n
n
n
n
n
2)
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