Rules For Routing Profibus Cables; Connecting Profibus Dp - Siemens SINUMERIK 840D sl Manual

Connections
9.7 PROFIBUS / MPI
9.7.4

Rules for routing PROFIBUS cables

Routing bus cables
When routing the PROFIBUS cable, you must avoid:
● twisting
● stretching and
● squeezing
Supplementary conditions
In addition, when routing a bus cable for indoor use, you must take into account the following
boundary conditions (dA = external cable diameter):
Table 9-5
Features
Bending radius for a single bend
Bending radius (multiple times)
Permissible temperature range for cable routing
Temperature range for storage and stationary operation
Additional references
For length codes of prefabricated cables and additional information on PROFIBUS cables,
refer to "Electrical networks" in the PROFIBUS section of the IK PI catalog titled "Industrial
Communication and Field Devices".
9.7.5

Connecting PROFIBUS DP

Introduction
PROFIBUS cables are connected to the X126/X136 interface by means of a bus connector.
84
Boundary conditions for routing of PROFIBUS cables
Supplementary conditions
80 mm (10xdA)
160 mm (20xdA)
-5 °C to +50 °C
-30 °C to +65 °C
Manual, 07/2007, 6FC5397-0AP10-2BA0
NCU