SIPROTEC 7SJ602 Multifunction Overcurrent and Motor Protection ...

Serial interfaces, cont’d
System interface (bottom of unit)
IEC 60870-5-103 protocol
Connection Isolated interface for data transmission
Transmission rate Min. 1200 baud, max. 19200 baud
As delivered 9600 baud
RS232/RS485 acc. to ordered
version
Connection 9-pin subminiature connector on the
bottom part of the housing
Test voltage 500 V AC
RS232 maximum distance 15 m
RS485 maximum distance 1000 m
Fiber-optic
Connector type ST connector on the bottom part
of the housing
Optical wavelength � = 820 nm
Laser class 1 acc. to
EN 60825-1/-2
For glass fiber 50/125 µm
or 62.5/125 µm
Permissible path attenuation Max. 8 dB, for glass fiber 62.5/125 µm
Bridgeable distance Max. 1.5 km
No character position Selectable, setting as supplied
„light off”
PROFIBUS-DP
Isolated interface for data transfer
to a control center
Transmission rate Up to 1.5 Mbaud
Transmission reliability Hamming distance d = 4
RS485
Connection 9-pin subminiature connector
Distance 1000 m/3300 ft � 93.75 kbaud;
500 m/1500 ft � 187.5 kbaud;
200 m/600 ft � 1.5 Mbaud
Test voltage 500 V AC against earth
Fiber optic
Connection fiber-optic cable Integrated ST connector for fiberoptic
connection
Optical wavelength 820 nm
Permissible path attenuation Max. 8 dB, for glass fiber 62.5/125 µm
Distance 500 kB/s 1.6 km/0.99 miles
1500 kB/s 530 m/0.33 miles
Idle state of interface Settable, setting as supplied “light
off”
SIPROTEC 7SJ602 Multifunction Overcurrent and Motor Protection Relay
System interface (bottom of unit), cont’d
MODBUS RTU / ASCII
Isolated interface for data transfer
to a control center
Transmission rate Up to 19200 baud
Transmission reliability Hamming distance d = 4
RS485
Connection 9-pin subminiature connector
Distance Max. 1 km/3300 ft max. 32 units
recommended
Test voltage
Fiber-optic
500 V AC against earth
Connection fiber-optic cable Integrated ST connector for fiberoptic
connection
Optical wavelength 820 nm
Permissible path attenuation Max. 8 dB, for glass fiber 62.5/125 µm
Distance Max. 1.5 km/0.9 miles
Idle state of interface “Light off”
Electrical tests
Specifications
Standards IEC 60255-5; ANSI/IEEE C37.90.0
Insulating tests
High-voltage tests (routine test)
all circuits except for auxiliary
voltage, binary inputs and
communication interfaces
High-voltage tests (routine test)
Auxiliary voltage and binary inputs
High-voltage tests (routine test)
only isolated communication
interfaces
Impulse voltage tests (type test)
all circuits, except
communication interfaces
2.5 kV (r.m.s. value), 50 Hz
3.5 kV DC
500 V (r.m.s. value); 50 Hz
EMC tests for interference immunity; type tests
5 kV (peak value), 1.2/50 µs, 0.5 J,
3 positive and 3 negative impulses at
intervals of 5 s
Standards IEC 60255-6; IEC 60255-22,
(product standard)
EN 50082-2 (generic standard)
DIN 57435 Part 303
High-frequency test
IEC 60255-22-1, class III
and VDE 0435 Part 303, class III
Discharge of static electricity
IEC 60255-22-2 class IV
EN 61000-4-2, class IV
Irradiation with radio-frequency
field, non-modulated
IEC 60255-22-3 (Report), class III
Irradiation with radio-frequency
field, amplitude-modulated
IEC 61000-4-3, class III
Irradiation with radio-frequency
field, pulse-modulated
IEC 61000-4-3/ENV 50204,
class III
Technical Data
2.5 kV (peak value); 1 MHz,
� = 15 �s; 400 surges per s;
test duration 2 s; Ri = 200 �
8 kV contact discharge,
15 kV air gap discharge,
both polarities, 150 pF; Ri = 330 �
10 V/m, 27 to 500 MHz
10 V/m, 80 to 1000 MHz,
AM 80 %; 1 kHz
duration > 10 s
10 V/m, 900 MHz,
repetition frequency 200 Hz
duty cycle 50 % PM
Siemens SIP 3.3 · 2003 13