CHAPTER 1: INTRODUCTION
SPECIFICATIONS
345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
1–13
Communications
SERIAL
RS485 port: ............................................................Opto-coupled
Baud rates:.............................................................up to 115 kbps
Response time:.....................................................1 ms typical
Parity:........................................................................None, Odd, Even
Protocol: ..................................................................Modbus RTU, DNP 3.0, IEC 60870-5-103
Maximum distance: ...........................................1200 m (4000 feet)
Isolation:..................................................................2 kV
ETHERNET (COPPER)
Modes:......................................................................10/100 MB (auto-detect)
Connector:..............................................................RJ-45
Protocol: ..................................................................Modbus TCP, DNP3.0, iec 60870-5-104, IEC 61850 GOOSE
ETHERNET (FIBER)
Fiber type:...............................................................100 MB Multi-mode
Wavelength: ..........................................................1300 nm
Connector:..............................................................MTRJ
Protocol: ..................................................................Modbus TCP, DNP3.0, iec 60870-5-104, IEC 61850 GOOSE
Transmit power:...................................................-20 dBm
Receiver sensitivity:............................................-31 dBm
Power budget: ......................................................9 dB
Maximum input power:....................................-11.8 dBm
Typical distance:..................................................2 km (1.25 miles)
Duplex: .....................................................................half/full
USB
Standard specification:....................................Compliant with USB 2.0
Data transfer rate:..............................................115 kbps
Testing and certification
TESTING AND CERTIFICATION
TEST
REFERENCE STANDARD
TEST LEVEL
Dielectric voltage withstand
2.3KV
Impulse voltage withstand
EN60255-5
5KV
Damped Oscillatory
IEC61000-4-18IEC60255-22-1
2.5KV CM, 1KV DM
Electrostatic Discharge
EN61000-4-2/IEC60255-22-2
Level 4
RF immunity
EN61000-4-3/IEC60255-22-3
Level 3
Fast Transient Disturbance
EN61000-4-4/IEC60255-22-4
Class A and B
Surge Immunity
EN61000-4-5/IEC60255-22-5
Level 3 & 4
Conducted RF Immunity
EN61000-4-6/IEC60255-22-6
Level 3
Power Frequency Immunity
EN61000-4-7/IEC60255-22-7
Class A & B
Voltage interruptionand
Ripple DC
IEC60255-11
15% ripple , 200ms interupts
Radiated & Conducted
Emissions
CISPR11 /CISPR22/ IEC60255-25
Class A
Sinusoidal Vibration
IEC60255-21-1
Class 1
Shock & Bump
IEC60255-21-2
Class 1
Siesmic
IEC60255-21-3
Class 2
Power magnetic Immunity
IEC61000-4-8
Level 5
Pulse Magnetic Immunity
IEC61000-4-9
Level 4