GE Multilin DFF Instruction Manual page 28

COMMUNICATIONS
- Mode: Half duplex.
- Speed: 1200 to 115200 bauds
- Physical media:
RS232 ( ports 1, 3 )
- Plastic fiber optics ( port 2 Optional, see ordering code/model list )
Connector type : HFBR-4516
Typical emitted power : -8dBm
Receiver sensitivity : -39dBm
Wavelength: 660 nm
- Glass fiber optics ( port 2 Optional, see ordering code/model list )
Connector type : STA
Typical emitted power: -17.5 dBm
Receiver sensitivity: -24.5 dBm
Wavelength : 820 nm.
- RS485 ( port 2 optional, see ordering code/model list)
STANDARDS
The DFF complies with the IEC relay standards, including also GE dielectric strength test and the European directive
of Electromagnetic Compatibility (89/336) for CE marking.
It also fulfills low voltage European directives and standards ANSI C37.90, IEC 255-5, IEC 255-6 e IEC 68.
• Dielectric Strength (Insulation)
• Impulse voltage withstand
• 1 MHz Interference test
• Electrostatic discharge
• Interference test withstand
• Electromagnetic fields
• Electromagnetic fields. Common
mode.
• Electromagnetic fields. Frequency
modulated.
• Fast transient
• Magnetic fields at industrial frequency
• Radio frequency emission
GEK-106166E
TECHNICAL CHARACTERISTICS
Test
DFF Digital Feeder Relay
Standard
IEC 255-5 2kV
50/60 Hz 1 minute
IEC 255-5 5 kV, 0.5 J
IEC 255-22-1 III
IEC 255-22-2 IV
EN 61000-4-2 8 kV
IEC 255-22-3 III
ENV 50140 10 V/m
ENV 50141 10 V/m
ENV 50204 10 V/m
IEC 255-22-4 IV
EN 61000-4-4
EN 61000-4-8 30 A/m
EN 55011 B
Class
27