Siemens SIPROTEC 7SJ80 Produktinformation Seite 22

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:
Capacitance:
Circuit Resistance:
Conductor Diameter:
Conductor Cross-sectional Area:
e.g. SINEC L2 Industrial Twisted Pair installation wire,
(see catalogue IK 10 "SIMATIC NET, Industrial Communication Net-
works").
Figure 12
22
Nine-pin D-subminiature Connector
135 Ω to 165 Ω (f > 100 kHz),
< 48 nF/mile or < 30 nF/km,
< 177 Ω/mile or < 110 Ω/km,
> 0.64 mm,
2
> 0.34 mm ,
SIPROTEC 7SJ80 / 7SK80 V4.60, Product Information
E50417-K1150-C342-A6, Edition 07.2010