Siemens CPU 313C Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
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The figure below shows you the block diagram of a PROFIBUS subnet.
S5-95U
PG
1
3
S7-300
CPU
PS
CPU
31x-2 DP
MASTER
MPI addr. 0
MPI addr. 3
PROFIBUS
addr. 2
PROFIBUS
addr. 3
PROFIBUS
addr. 4
PROFIBUS
addr. 5
PROFIBUS
addr. 6
PROFIBUS
addr. 7
3
CPU
PS
ET 200M
CPU
PS
ET 200M
CPU
PS
ET 200 M
3
S7-300
CPU
PS
DP-CPU
CPU
PS
ET 200M
CPU
PS
ET 200M
CPU
ET 200B ET 200B
CPU
ET 200B
CPU
ET 200B
PROFIBUS
addr. 12
PROFIBUS
addr. 11
PROFIBUS
addr. 10
PROFIBUS
addr. 9
PROFIBUS
addr. 8
1
1
2
Figure 5-16 Example of a PROFIBUS subnet
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 Terminating resistor inserted
 PG connected by means of a stub cable for maintenance purposes

Siemens CPU 313C Specifications

General

MPI Interface	Yes
Number of digital inputs	24
Number of digital outputs	16
Number of analog inputs	4
Number of analog outputs	2
Supply voltage	24 V DC
High-speed counters	Yes
Bit Operations Execution Time	0.1 µs
Word Operations Execution Time	0.2 µs
Power Consumption	5 W
Dimensions (W x H x D)	40 x 125 x 130 mm
Operating Temperature	0 to 60 °C
Communication Interfaces	MPI
Programming Languages	LAD, FBD, STL
Product type designation	CPU 313C
Weight	490 g