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Siemens CPU 313C Hardware And Installation Guide

Siemens CPU 313C
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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03
5-39
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When wiring PROFIBUS cables, you must not
twist,
stretch
or compress them.
When wiring indoor bus cables, also maintain the following marginal conditions
(d
A
= outer cable diameter):
Table 5-20 Marginal conditions for wiring interior bus cables
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Bending radius (one-off) 80 mm (10 x d
A
)
Bending radius (multiple times) 160 mm (20 x d
A
)
permitted temperature range during installation -5 °C to +50 °C
Shelf and stationary operating temperature range -30 °C to +65 °C
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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.
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Table 5-21 Bus connector
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RS485 bus connector, up to 12 Mbps,
with 90° cable exit,
without PG interface,
with PG interface
6ES7 972-0BA11-0XA0
6ES7 972-0BB11-0XA0
Fast Connect RS485 bus connector, up to 12 Mbps,
with 90° cable exit, with insulation displacement technology
, without PG interface,
with PG interface
6ES7 972-0BA50-0XA0
6ES7 972-0BB50-0XA0
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
6ES7 972-0BA40-0XA0
6ES7 972-0BB40-0XA0
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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.

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Siemens CPU 313C Specifications

General IconGeneral
MPI InterfaceYes
Number of digital inputs24
Number of digital outputs16
Number of analog inputs4
Number of analog outputs2
Supply voltage24 V DC
High-speed countersYes
Bit Operations Execution Time0.1 µs
Word Operations Execution Time0.2 µs
Power Consumption5 W
Dimensions (W x H x D)40 x 125 x 130 mm
Operating Temperature0 to 60 °C
Communication InterfacesMPI
Programming LanguagesLAD, FBD, STL
Product type designationCPU 313C
Weight490 g

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