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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
9-26 A5E00105492-03
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Customize the start-up monitoring time for DP slaves in parameter 0RQLWRULQJWLPHIRU
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That is, the DP slaves must start up within the set time and be configured by the CPU (as
DP master).
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For the DP CPU, you must QRWset as a PROFIBUS address.
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• The DP master is configured and programmed.
• If the MPI/DP interface of CPU 317-2 DP is to be operated as DP interface, you
must configure the interface accordingly.
• Prior to commissioning, you must assign and configure the DP CPU as a DP
slave. That is, in 67(3 you must:
– "switch on" the CPU as DP slave,
– assign a PROFIBUS address to the CPU,
– assign a slave diagnostic address to the CPU,
– specify whether the DP master is an S7 DP master or another DP master,
– specify the address areas for data exchange with the DP master.
• All other DP slaves are programmed and configured.
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Information on changing over to a CPU 31xC, 312, 314, 315-2 DP, and 317-2DP
can be found in the applicable section in the&38'DWD[&DQG[Reference
Manual
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