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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1. Use bus connectors to connect a stationary PG in the MPI subnet to the other
nodes of the MPI subnet.
The following picture illustrates two networked S7-300s which are connected to
one another using bus connectors.
PG
SF
BUSF
DC5V
FRCE
RUN
ST OP
SIEM EN S
CPU
PS
2
SM
SM
2
1
CPU
PS
Figure 9-2 Connecting a PG to multiple S7-300 PLCs
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 PROFIBUS bus cable
 Connector with inserted terminating resistor
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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