GE D30 series - Communications

GE Multilin D30 Line Distance Protection System 2-17
2 PRODUCT DESCRIPTION 2.2 SPECIFICATIONS
2
DCMA OUTPUTS
Range: –1 to 1 mA, 0 to 1 mA, 4 to 20 mA
Max. load resistance: 12 k for –1 to 1 mA range
12 k for 0 to 1 mA range
600  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
2.2.8 COMMUNICATIONS
RS232
Front port: 19.2 kbps, Modbus RTU
RS485
1 rear port: Up to 115 kbps, Modbus RTU, isolated
together at 36 Vpk
Typical distance: 1200 m
Isolation: 2 kV
ETHERNET (FIBER)
ETHERNET (10/100 MB TWISTED PAIR)
Modes: 10 MB, 10/100 MB (auto-detect)
Connector: RJ45
SNTP clock synchronization error: <10 ms (typical)
PRECISION TIME PROTOCOL (PTP)
PTP IEEE Std 1588 2008 (version 2)
Power Profile (PP) per IEEE Standard PC37.238TM2011
Slave-only ordinary clock
Peer delay measurement mechanism
PARAMETER FIBER TYPE
100MB MULTI-
MODE
Wavelength 1310 nm
Connector LC
Transmit power –20 dBm
Receiver sensitivity –30 dBm
Power budget 10 dB
Maximum input
power
–14 dBm
Typical distance 2 km
Duplex full/half
Redundancy yes