Communications Specifications - GE D90 Plus Instruction Manual

CHAPTER 2: PRODUCT DESCRIPTION

Communications specifications

PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
RS485 PORT
Baud rates:.............................................................300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600,
Protocol: ..................................................................Modbus RTU and DNP 3.0
Distance: .................................................................1200 m
Isolation:..................................................................2 kV
SOLID-STATE RELAY
Make and carry for 0.2 s:.................................30 A as per ANSI C37.90
Carry continuous: ...............................................6 A
Break at L/R of 40 ms:.......................................10.0 A DC at 250 V DC
Operate time:........................................................< 100 μs
USB PORT
Standard: ................................................................type B USB connector for EnerVista software
DIRECT INPUTS
Input points:...........................................................96 per channel
Remote devices: ..................................................16
Default states on loss of
communications:...........................................On, Off, Latest/On, Latest/Off
Ring configuration: ............................................yes, no
Data rate:................................................................64 or 128 kbps
CRC: ...........................................................................32-bit
CRC alarm: .............................................................responding to rate of messages failing the CRC
CRC alarm monitoring message count:...10 to 10000 in steps of 1
CRC alarm threshold: ........................................1 to 1000 in steps of 1
Unreturned messages alarm: .......................responding to rate of unreturned messages in the ring
Unreturned messages alarm monitoring
message count:..............................................10 to 10000 in steps of 1
Unreturned messages alarm threshold:..1 to 1000 in steps of 1
DIRECT OUTPUTS
Output points:.......................................................96 per channel
MODBUS USER MAP
Number: ..................................................................up to 256 Modbus addresses
Programmability: ................................................any setting or actual value in decimal
REMOTE INPUTS (IEC 61850 GSSE/GOOSE)
Input points:...........................................................64
Remote devices: ..................................................32
Default states on loss of
communications:...........................................On, Off, Latest/Off, Latest/On
Remote double-point status inputs: ..........16
REMOTE OUTPUTS (IEC 61850 GSSE/GOOSE)
Standard output points:...................................32
User output points:.............................................32
115200
SPECIFICATIONS
43