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Siemens CPU 312 IFM User Manual

Siemens CPU 312 IFM
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CPU 31x-2 as DP Master/DP Slave and Direct Communication
2-13
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
2.5 CPU 31x-2 as DP-Slave
Introduction
This section lists the characteristics and technical specifications for the CPU when
it is operated as a DP slave.
The characteristics and technical specifications of the CPU as the standard CPU
can be found in Section 1.
Prerequisite
Should the MPI/DP interface be a DP interface? If so, you must then configure the
interface as a DP interface.
Prior to startup, the CPU must be configured as a DP slave. This means carrying
out the following steps in STEP 7:
Switch on the CPU as DP slave.
Assign a PROFIBUS address.
Assign a slave diagnostic address.
Specify the address areas for data exchange with the DP Master.
Device Master Files
You need a device master file to configure the CPU 31x-2 as a DP slave in a DP
master system.
COM PROFIBUS as of V 4.0 includes the GSD file.
If you are working with an older version or another configuration tool, you can get
the device master file from the following sources:
On the Internet at http://www.ad.siemens.de/csi_e/gsd
or
Via modem from the SSC (Interface Center) Fuerth by calling 0911/911/737972.
Configuration and parameter assignment message frame
STEP 7 provides support for the configuration and parameter assignment of 31x-2
CPUs. If you require a description of the configuration and parameter assignment
message frame, for example, to carry out a check using a bus monitor, refer to the
Internet URL http://www.ad.siemens.de/simatic-cs, article ID 1452338.

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Siemens CPU 312 IFM Specifications

General IconGeneral
BrandSiemens
ModelCPU 312 IFM
CategoryController
LanguageEnglish

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