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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03
9-27
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If you are working on an IM 308-C or third party system, you require a GSD file in
order to be able to configure the DP CPU as a DP slave in a DP master system.
&20352),%86 as of V 4.0 includes this GSD file.
When working with an older version or another configuration tool, you can
download the GSD file under:
• Internet URL http://www.ad.siemens.de/csi/gsd
or
• via modem from the 66&(Interface &HQWHU Fürth, Germany; Phone number
(0911) 737972.
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This note is applicable to CPU 31xC-2 DP, CPU 315-2 DP, and CPU 317-2 DP. If
you wish to use the CPU as a standard slave via the GSD file, then you must not
tick the Commissioning / Test mode check box under the DP interface properties
when you configure this slave CPU in STEP 7.
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67(3 assists you during configuration and parameter assignment of the DP
CPU. Should you require a description of the configuration and parameter
assignment frame, in order to use a bus monitor for example, you can find it on the
Internet at http://www.ad.siemens.de/csinfo under article ID 1452338.
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Commission the DP CPU as a DP slave in the PROFIBUS subnet as follows:
1. Switch on power, but hold the CPU in STOP mode.
2. First, switch on all other DP masters/slaves.
3. Now switch the CPU to RUN mode.
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When the DP-CPU is switched to RUN mode, two mutually independent operating
mode transitions are executed:
• The &38 switches from STOP to RUN mode.
• At the 352),%86'3LQWHUIDFH the CPU starts data transfer with the DP
master.
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