Siemens CPU 315-2 DP Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
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An S7-300 consists of several modules. The following diagram illustrates a
possible configuration:
SF
BUSF
DC5V
FRCE
RUN
STOP
SF
BUSF
DC5V
FRCE
RUN
STOP
1 2 3
4
5
Figure 4-1 Modules in an S7-300
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 Power supply (PS)
 Central processing unit (CPU)
The example in the figure shows a CPU 31xC with integrated I/O.
 Signal module (SM)
 PROFIBUS bus cable
 Cable for connecting a programming device (PG)

Siemens CPU 315-2 DP Specifications

General

Memory	64 KB
Power Supply	24 V DC
Order Number	6ES7 315-2AG10-0AB0
Number of DP Masters	1
Number of DP Slaves	124
Load Memory	64 KB
Number of Timers	256
Number of Counters	256
Data Memory	64 KB
Operating Temperature	0 to 60 °C
Integrated Interfaces	MPI, DP
Digital Outputs	Not integrated
Analog Inputs	Not integrated
Analog Outputs	Not integrated
Programming Languages	LAD, FBD, STL
Digital Inputs	Not integrated
Weight	660 g