GE L90 User Manual

2-48 L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION
2
Driving signal: any FlexAnalog quantity
Upper and lower limit for the driving signal: –90 to 90 pu in steps of 0.001
2.6.8 Communication protocols
IEC 61850
IEC 61850: Supports IEC 61850 Edition 2.0. See the UR Family Communications Guide and its conformance
statements.
RS232 (Enhanced and standard front panels)
Front port: 19.2 kbps, Modbus RTU
USB (Graphical front panel)
Front port: USB 2.0 type B
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
FIBER ETHERNET PORT
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, SFTP, HTTP, IEC 60870-5-104, Ethernet Global Data (EGD), IEEE C37.118
Parameter Fiber type
100 Mb multimode
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
Full duplex yes
Redundancy yes

GE L90 Specifications

General

Communication	Ethernet, Serial
Mounting	Panel Mount
Frequency	50/60 Hz
Inputs	Digital, Analog
Outputs	Relay
Control	Local, Remote
Communication Interface	IEC 61850, DNP3, Modbus
Protection Functions	Differential, Ground Fault
Standards Compliance	IEC, IEEE