Profibus Cables And Connectors - Siemens SIMOTION D4 5-2 Series Commissioning And Hardware Installation Manual

Connecting
3.7 Connecting PROFIBUS/MPI
3.7.2

PROFIBUS cables and connectors

Properties of PROFIBUS cables
The PROFIBUS cable is a two-core, twisted and shielded cable with defined properties:
Properties of the cables
Table 3- 4
Characteristics
Characteristic impedance
Loop resistance
Effective capacitance
Damping
Permissible conductor cross-section
Permissible cable diameter
Connector features
The bus connector is used to connect the PROFIBUS cable to the PROFIBUS DP interfaces
(X126, X136), thus establishing a connection to additional nodes.
Only bus connectors with a 35° cable outlet should be used in order to ensure that the front
cover can be closed.
See also
SIMOTION D4x5-2
64
Properties of PROFIBUS cables
Manual, Section "Spare parts and accessories which can be ordered"
Values
Approximately 135 to 160 Ω (f = 3 to 20 MHz)
≤ 115 Ω/km
30 nF/km
0.9 dB/100 m (f = 200 kHz)
0.3 mm to 0.5 mm
2 2
8 mm + 0.5 mm
Commissioning and Hardware Installation Manual, 02/2012
SIMOTION D4x5-2