Table of contents
PROFIBUS with STEP 7 V13
6
Function Manual, 12/2014, A5E03775446-AC
4
Diagnostics ........................................................................................................................................... 57
4.1
Overview ................................................................................................................................ 57
4.2
Diagnostics using the display of the S7-1500 ........................................................................ 58
4.3
Diagnostics with the diagnostic repeater ............................................................................... 60
4.4
I&M data (Identification and Maintenance) ............................................................................ 61
5
Functions .............................................................................................................................................. 62
5.1
Isochronous mode ................................................................................................................. 62
5.1.1
What is isochronous mode? ................................................................................................... 62
5.1.2
Use of isochronous mode ...................................................................................................... 63
5.1.3
Isochronous applications ....................................................................................................... 64
5.1.4
Sequence of synchronization ................................................................................................. 65
5.1.5
Requirements for configuration .............................................................................................. 66
5.1.6
Configuring isochronous mode .............................................................................................. 67
5.1.7
Diagnostics and interrupt functions ........................................................................................ 70
5.1.8
Parameter settings for isochronous mode ............................................................................. 71
5.1.8.1
Viewing isochronous mode parameters ................................................................................. 71
5.1.8.2
Change parameters ............................................................................................................... 72
5.2
Acyclical data exchange ........................................................................................................ 74
5.3
SYNC/FREEZE groups .......................................................................................................... 75
5.4
Interrupts ................................................................................................................................ 77
5.5
Intelligent DP slaves (I-slaves) ............................................................................................... 78
5.5.1
I-slave functionality ................................................................................................................ 78
5.5.2
Data exchange with higher-level DP master .......................................................................... 81
5.5.3
Configuring an I-slave ............................................................................................................ 82
5.5.4
Configuring transfer areas ..................................................................................................... 84
5.5.5
Sample program..................................................................................................................... 85
5.5.6
Diagnostics and interrupt behavior ........................................................................................ 89
A
Service & Support ................................................................................................................................. 91
Glossary ............................................................................................................................................... 94
Index .................................................................................................................................................... 99
Summary of Contents for SIMATIC ET 200AL
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