Technical Data
4.1 General Device Data
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
352
Output Relays
4.1.4 Communication Interfaces
User Interface
Port A
for nominal voltages 220 to 250 VDC V high > 176 VDC
V low < 88 VDC
Maximum Permissible Voltage 300 VDC
Input interference suppression 220 Vdc across 220nF at a recovery time between two
switching operations ≥ 60 ms
Signal/command Relay, Alarm Relay
Quantity and data depending on the order variant (allocatable)
Order variant NO contact NO/NC selectable
7SK801/803/805/806 3 2 (+ 1 life contact not allocatable)
7SK802/804 6 2 (+ 1 life contact not allocatable)
Switching capability MAKE 1000 W / 1000 VA
Switching capability BREAK 40 W or 30 VA at L/R ≤ 40 ms
Switching voltage AC and DC 250 V
Permissible current per contact (continuous) 5 A
Permissible current per contact (close and
hold)
30 A for 1 s (NO contact)
Interference suppression capacitor at the
relay
outputs 2.2 nF, 250 V, ceramic
Frequency Impedance
50 Hz 1,4· 10
6
Ω ± 20 %
60 Hz 1,2· 10
6
Ω ± 20 %
Terminal Front side, non-isolated, USB type B socket for connecting a
personal computer
Operation from DIGSI V4.82 via USB 2.0 full speed
Operation With DIGSI
Transmission speed up to 12 Mbit/s max.
Bridgeable distance 5 m
Ethernet electrical for DIGSI or
RTD box or SICAM I/O Unit
7XV5673
Operation With DIGSI
Connection Front case bottom, mounting location "A",
RJ45 socket
100BaseT in acc. with IEEE802.3
LED yellow: 10/100 Mbit/s (on/off)
LED green: connection/no connection
(on/off)
Test voltage 500 V; 50 Hz
Transmission speed 10/100 Mbit/s
Bridgeable distance 20 m (66 ft)
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