Technical data

Table of contents
PROFIBUS Network Manual
System Manual, Edition 04/2009, C79000-G8976-C124-03
7
B Lightning and overvoltage protection of bus cables between buildings.................................................. 253
B.1 Why protect your automation system from overvoltage? ..........................................................253
B.2 Protecting bus cables from lightning..........................................................................................253
B.3 Instructions for installing coarse protection................................................................................255
B.4 Instructions for installing fine protection.....................................................................................256
B.5 General information on the lightning protection equipment from the firm of Dehn & Söhne .....257
C Installing bus cables .............................................................................................................................. 259
C.1 Bus cables in automation systems ............................................................................................259
C.2 Electrical safety..........................................................................................................................259
C.3 Mechanical protection of bus cables..........................................................................................260
C.4 Electromagnetic compatibility of fiberoptic cables .....................................................................262
C.5 Additional instructions on installing fiberoptic cables.................................................................262
C.6 Electromagnetic compatibility of bus cables..............................................................................263
C.6.1 Measures to counter interference voltages................................................................................264
C.6.2 Installation and grounding of inactive metal parts......................................................................264
C.6.3 Using the shields of electrical bus cables ..................................................................................264
C.6.4 Equipotential bonding ................................................................................................................267
C.7 Routing electrical bus cables .....................................................................................................268
C.7.1 Cable categories and clearances...............................................................................................268
C.7.2 Cabling within cabinets ..............................................................................................................270
C.7.3 Cabling within buildings .............................................................................................................271
C.7.4 Cabling outside buildings...........................................................................................................271
C.7.5 Special noise suppression measures ........................................................................................272
C.8 Laying bus cables ......................................................................................................................273
D Installation instructions and notes on usage .......................................................................................... 277
D.1 Fitting connectors to SIMATIC NET PCF fiber-optic cables with the simplex 6GK1 900-
0KL00-0AA0 termination kit .......................................................................................................
278
D.2 Fitting connectors to SIMATIC NET PCF fiber-optic cables with the BFOC 6GK1 900-
0HL00-0AA0 termination kit.......................................................................................................
285
D.3 Assembly instructions for SIMATIC NET PROFIBUS plastic fiber-optics with simplex
connectors..................................................................................................................................
291
D.4 Assembly instructions for SIMATIC NET PROFIBUS plastic fiber optics with BFOC
connectors..................................................................................................................................
302
D.5 Notes on using the pulling loop of the SIMATIC NET PROFIBUS PCF fiber-optic standard
cable...........................................................................................................................................
314
E Installing network components in cabinets............................................................................................. 319
E.1 IP degrees of protection.............................................................................................................319
E.2 Installed in cabinet: ....................................................................................................................320
F Dimension drawings .............................................................................................................................. 323
F.1 Dimension drawings of the bus connectors...............................................................................323
F.2 Dimension drawings of the RS485 repeater ..............................................................................326