Marginal Conditions For Wiring Interior Bus Cables - Siemens CPU 313C Hardware And Installation Manual

:LULQJ EXV FDEOHV
When wiring PROFIBUS cables, you must not
• twist,
• stretch
• or compress them.
When wiring indoor bus cables, also maintain the following marginal conditions
(d = outer cable diameter):
A
Table 5-20
Bending radius (one-off)
Bending radius (multiple times)
permitted temperature range during installation
Shelf and stationary operating temperature range -30 °C to +65 °C
&URVVUHIHUHQFH
If you want to use fiber optic cable cables for PROFIBUS, you can find further
information on this topic in the SIMATIC NET, PROFIBUS Networks Manual.
56 EXV FRQQHFWRU
Table 5-21
RS485 bus connector, up to 12 Mbps,
with 90° cable exit,
without PG interface,
with PG interface
Fast Connect RS485 bus connector, up to 12 Mbps,
with 90° cable exit, with insulation displacement technology
, without PG interface,
with PG interface
RS485 bus connector up to 12 Mbps
with 35° cable exit (not for CPU 31xC, 312, 314, and 315-2
DP
without PG interface
with PG interface
$SSOLFDWLRQ
You require these bus connectors to connect the PROFIBUS cable to an MPI or
PROFIBUS-DP interface
You do QRW require a bus connector for:
• DP slaves with degree of protection IP 65 (e.g. ET 200C)
• RS485 repeater.
S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03

Marginal conditions for wiring interior bus cables

&KDUDFWHULVWLFV
Bus connector
7\SH
&RQGLWLRQ
≥ 80 mm (10 x d )
A
≥ 160 mm (20 x d
)
A
-5 °C to +50 °C
2UGHU 1R
6ES7 972-0BA11-0XA0
6ES7 972-0BB11-0XA0
6ES7 972-0BA50-0XA0
6ES7 972-0BB50-0XA0
6ES7 972-0BA40-0XA0
6ES7 972-0BB40-0XA0
&RQILJXULQJ
5-39