Communications; Inter-Relay Communications - GE B30 Instruction Manual

2 PRODUCT DESCRIPTION
REMOTE OUTPUTS (IEC 61850 GSSE/GOOSE)
Standard output points: 32
User output points: 32
DIRECT OUTPUTS
Output points: 32
RS232
Front port: 19.2 kbps, Modbus
RS485
1 or 2 rear ports: Up to 115 kbps, Modbus
together at 36 Vpk
Typical distance: 1200 m
Isolation: 2 kV
ETHERNET (FIBER)
PARAMETER
10MB MULTI-
MODE
Wavelength 820 nm
Connector ST
Transmit power –20 dBm
Receiver sensitivity –30 dBm
Power budget 10 dB
Maximum input –7.6 dBm
power
Typical distance 1.65 km
Duplex full/half
Redundancy yes
The UR-2S and UR-2T only support 100 Mb multimode
SHIELDED TWISTED-PAIR INTERFACE OPTIONS
INTERFACE TYPE TYPICAL DISTANCE
RS422 1200 m
G.703 100 m
RS422 distance is based on transmitter power and
does not take into consideration the clock source
NOTE
provided by the user.
LINK POWER BUDGET AND MAXIMUM OPTICAL INPUT POWER
GE Multilin
®
RTU
®
RTU, isolated
FIBER TYPE
100MB MULTI- 100MB SINGLE-
MODE MODE
1310 nm 1310 nm
ST SC
–20 dBm –15 dBm
–30 dBm –30 dBm
10 dB 15 dB
–14 dBm –7 dBm
2 km 15 km
full/half full/half
yes yes
B30 Bus Differential System
DCMA OUTPUTS
Range: –1 to 1 mA, 0 to 1 mA, 4 to 20 mA
Max. load resistance: 12 kΩ for –1 to 1 mA range
12 kΩ for 0 to 1 mA range
600 Ω for 4 to 20 mA range
Accuracy: ±0.75% of full-scale for 0 to 1 mA range
±0.5% of full-scale for –1 to 1 mA range
±0.75% of full-scale for 0 to 20 mA range
99% Settling time to a step change: 100 ms
Isolation: 1.5 kV
Driving signal: any FlexAnalog quantity
Upper and lower limit for the driving signal: –90 to 90 pu in steps of
0.001
ETHERNET (10/100 MB TWISTED PAIR)
Modes: 10 MB, 10/100 MB (auto-detect)
Connector: RJ45
SNTP clock synchronization error: <10 ms (typical)

2.2.9 INTER-RELAY COMMUNICATIONS

2.2 SPECIFICATIONS

2.2.8 COMMUNICATIONS

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