
Installation and Startup
5-7
PROFIBUS Optical Bus Terminal (OBT)
C79000-G8976-C122-02
Note
If the fiber protrudes beyond the surface of the connector, the connector must not
be inserted into the socket otherwise the optical components can be permanently
damaged.
Connecting the Electrical RS–485 Cable
Channel CH1 is used to connect a single PROFIBUS DP DTE. CH1 is designed as
an electrical RS 485 interface with a 9-pin sub D female connector. The maximum
cable length between the OBT and DTE is 100 m. Since this involves a
point-to-point connection, the terminating resistors in the PROFIBUS connectors
must be activated at both ends of the cable.
Use only SIMATIC NET shielded Twisted Pair cables as the RS 485 cable for
PROFIBUS.
Do not connect RS 485 cables when all or part of the cable is outside a building.
Lightning in the area can otherwise destroy the PROFIBUS OBTs. If connections
exit the building, use FO cables whenever possible!
Remove the RS 485 cable from the OBT if there is no node connected to the other
end of the cable. Noise can lead to problems on the PROFIBUS network.
Содержание SIMATIC NET PROFIBUS
Страница 10: ...Contents viii PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 11: ...PROFIBUS NETWORKS 1 ...
Страница 26: ...PROFIBUS NETWORKS 1 16 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 167: ...5 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Active Components for RS 485 Networks 5 ...
Страница 184: ...Active Components for RS 485 Networks 5 18 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 185: ...6 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Passive Components for PROFIBUS PA 6 ...
Страница 197: ...7 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Passive Components for Electrical Networks 7 ...
Страница 228: ...Passive Components for Electrical Networks 7 32 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 229: ...8 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Active Components for Optical Networks 8 ...
Страница 236: ...Active Components for Optical Networks 8 8 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 237: ...9 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Active Components for Wireless Networks 9 ...
Страница 240: ...Active Components for Wireless Networks 9 4 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 241: ...A 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Testing PROFIBUS A ...
Страница 254: ...Testing PROFIBUS A 14 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 263: ...C 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Installing LAN Cables C ...
Страница 288: ...Installing LAN Cables C 26 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 290: ...Installation Instructions for SIMATIC NET D 2 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 325: ...F 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Dimension Drawings F ...
Страница 338: ...Dimension Drawings F 14 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 339: ...G 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Operating Instructions ILM OLM OBT G ...
Страница 340: ...Operating Instructions ILM OLM OBT G 2 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 396: ...Infrared Link Modul ILM 6ZB530 3AC30 0BA1 54 Copyright by Siemens ...
Страница 434: ......
Страница 438: ...Contents ii PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 Contents ...
Страница 442: ...The SIMATIC NET PROFIBUS OBT Product 2 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Страница 450: ...Network Topology 4 4 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Страница 458: ...Installation and Startup 5 8 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Страница 460: ...Troubleshooting 6 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Страница 464: ...Technical Specifications 7 4 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Страница 468: ...References 9 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Страница 470: ...Abbreviations 10 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Страница 478: ...References I 4 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Страница 488: ...Glossary Glossary 8 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...