Siemens SIMATIC ET 200M Operating Instructions Manual page 94

Commissioning
6.1 PROFIBUS DP
Function
The assignment of the functions to the versions of the interface module can be found in the
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"Compatibilities between the IM 153-x (Page 241)" appendix.
If configuring with HW-Config, with some functions S7-specific features are set.
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One interrupt can be used per diagnostic frame. With DPV1 (and S7 DP) there is an interrupt that
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comprise a slave diagnosis that is accompanied by an acknowledgement mechanism that does not
exist with DPV0.
Up to IM 153-2Bx00 the time stamping is available only in the S7 system environment.
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without GSD-file or with GSD rev. 2
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with GSD rev. 2
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as of GSD rev. 3
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only if the GSD-file is imported and if, in HW-Config the DPV1-mode is selected
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With S7 DP the interrupts are not reported if the CPU is in STOP.
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as of GSD rev. 4
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as of GSD rev. 5
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Actions after the diagnostics message in the S7 or DPV1 mode
Actions initiated by diagnostic messages:
• With S7 or DPV1 operation the diagnoses are reported as diagnostic interrupts.
• In DPV1 mode, diagnoses are also reported when the master CPU is in STOP. In the
diagnostic frame in addition the module status and the channel-related diagnoses are
available.
• After a diagnostic message is signaled, the message is:
– entered in the diagnostic frame as a diagnostic interrupt block (only one interrupt at
– stored in the diagnostics buffer of the master CPU
• The SF LED lights up on the IM 153-x.
• The OB 82 is called in the master CPU. If the OB 82 is not available, then the master CPU
goes to STOP.
• Acknowledging the diagnostic interrupt by the master CPU (a new diagnostic interrupt is
possible after this)
Actions after the diagnostics message in DPV0 mode
The error is entered in the channel-specific diagnostics in the diagnostic frame:
• The SF LED lights up on the IM 153-x.
• Several simultaneous diagnostic messages are possible.
Faults and corrective measures
The causes of faults for diagnostics messages and possible troubleshooting are described in
chapter "Channel-specific diagnostics (Page 195)".
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1
any one time)
DPV0
slave
Operating Instructions, 04/2022, EWA-4NEB7806006-09
DPV1
slave
ET 200M