Rules For The Laying Of Profibus Cables; Connecting Profibus Dp - Siemens SINUMERIK 840D sl Equipment Manual

Connecting
7.9 PROFIBUS DP
7.9.4

Rules for the laying of PROFIBUS cables

Laying of bus cables
During laying of the PROFIBUS cable, you must avoid:
• twisting
• stretching and
• squeezing
Supplementary conditions
During laying of the indoor bus cable, you must also consider the following supplementary
conditions (d
Table 7-23
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".
7.9.5

Connecting PROFIBUS DP

Introduction
PROFIBUS cables are connected to the X126/X136 interface by means of a bus connector.
70
= outer diameter of the cable):
O
Supplementary conditions for the laying of PROFIBUS cables
Supplementary conditions
80 mm (10xd )
O
160 mm (20xd )
O
-5 °C to +50°C
-30°C to +65°C
Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1
NCU 7x0.3B PN