Siemens SIPROTEC 7SJ80 Product Information

22 SIPROTEC 7SJ80 / 7SK80 V4.60, Product Information
E50417-K1150-C342-A6, Edition 07.2010
D-Subminiature Sockets (only at optional port B)
9-pin D-subminiature sockets are provided for all electrical communica-
tion interfaces Standard 9-pin D-subminiature plug connectors per MIL–
C–24308 and DIN 41652 can be used.
The necessary communication cables are dependent on the interface:
 RS232: Three-wire or five-wire, twisted and shielded, e.g. interface
cable 7XV5100–4.
 RS 485: Three-wire, twisted and shielded.
 Profibus: Two-wire or four-wire, twisted and shielded:
Wire type A according EN 50170/vol. 2 and DIN 19245/part 2,
Wire Resistance: 135 Ω to 165 Ω (f > 100 kHz),
Capacitance: < 48 nF/mile or < 30 nF/km,
Circuit Resistance: < 177 Ω/mile or < 110 Ω/km,
Conductor Diameter: > 0.64 mm,
Conductor Cross-sectional Area: > 0.34 mm
2
,
e.g. SINEC L2 Industrial Twisted Pair installation wire,
(see catalogue IK 10 “SIMATIC NET, Industrial Communication Net-
works”).
Figure 12 Nine-pin D-subminiature Connector

Siemens SIPROTEC 7SJ80 Specifications

General

Rated Frequency	50/60 Hz
Rated Current	1 A / 5 A
Operating Temperature	-25°C to +55°C
Storage Temperature	-40°C to +70°C
Current Transformer Inputs	4
Application	Protection of feeders, motors, transformers, and generators
Rated Voltage	100-240 V AC/DC
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Display	Graphical LCD
Mounting	Flush mounting
Protection Functions	Overcurrent, Earth fault
Communication Interfaces	Ethernet, RS485
Housing	Plastic
Weight	Approx. 1.5 kg