GE Multilin D60 Line Distance Protection System 2-27
2 PRODUCT DESCRIPTION 2.3 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
2.3.8 COMMUNICATION PROTOCOLS
RS232
Front port: 19.2 kbps, Modbus RTU
RS485
1 rear port: Up to 115 kbps, Modbus RTU, DNP 3,
IEC 60870-5-103
Typical distance: 1200 m
Isolation: 2 kV, isolated together at 36 Vpk
ETHERNET (FIBER)
ETHERNET (10/100 MB TWISTED PAIR)
Modes: 10 MB, 10/100 MB (auto-detect)
Connector: RJ45
SIMPLE NETWORK TIME PROTOCOL (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
PARALLEL REDUNDANCY PROTOCOL (PRP)
(IEC 62439-3 CLAUSE 4, 2012)
Ethernet ports used: 2 and 3
Networks supported: 10/100 MB Ethernet
OTHER
TFTP, HTTP, IEC 60870-5-104, Ethernet Global Data (EGD)
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
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