Siemens SIPROTEC 7SJ61 - Page 312

Technical Data
4.1 General Device Data
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
312
Time Synchronization Interface
Ethernet electrical
(EN 100) for IEC61850
and DIGSI
Connection for flush-mounted casing rear panel, mounting location „B“
2 x RJ45 socket contact
100BaseT acc. to IEEE802.3
Connection for surface-mounted
casing
in console housing at case bottom
Test voltage (reg. socket) 500 V; 50 Hz
Transmission speed 100 MBit/s
Bridgeable distance 65.62 feet (20 m)
Ethernet optical (EN100)
for IEC61850 and DIGSI
Connection for
Flush-mounted case
rear panel, mounting location "B", ST-con-
nector
100BaseT acc. to IEEE802.3
Connection for
Surface-mounted case
(not available)
Transmission Speed 100 MBit/s
Optical wavelength 1300 nm
bridgeable distance max. 0.93 miles (1.5 km)
Time Synchronization DCF 77 / IRIG B Signal
(Telegram Format IRIG-B000)
Connection for flush-mounted case Rear panel, mounting location „A“
9-pin D-subminiature female connector
Connection for surface mounting housing at the double-deck terminal on the case bottom
Signal Nominal Voltages selectable 5 V, 12 V or 24 V
Test Voltage 500 V; 50 Hz
Signal Levels and Burdens
Nominal Signal Voltage
5 V 12 V 24 V
V
IHigh
6.0 V 15.8 V 31 V
V
ILow
1.0 V at I
ILow
= 0.25 mA 1.4 V at I
ILow
= 0.25 mA 1.9 V at I
ILow
= 0.25 mA
I
IHigh
4.5 mA to 9.4 mA 4.5 mA to 9.3 mA 4.5 mA to 8.7 mA
R
I
890 at V
I
= 4 V 1930 at V
I
= 8.7 V 3780 at V
I
= 17 V
640 at V
I
= 6 V 1700 at V
I
= 15.8 V 3560 at V
I
= 31 V