Profibus-Dp - turck IO-LINK MASTER User Manual

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PROFIBUS-DP

System overview ..................................................................................................................2
Master/Slave system ......................................................................................................................... 2
System configuration and device types ............................................................................................ 2
- Single-Master systems ................................................................................................................... 3
- Multi-Master systems ..................................................................................................................... 3
Topology ............................................................................................................................................ 3
Maximum system extension .............................................................................................................. 3
- Use of Drop lines ............................................................................................................................ 4
Transmission rate/Cycle times .......................................................................................................... 4
Transmission cables .......................................................................................................................... 4
- Cable types .................................................................................................................................... 5
- Installation guidelines ..................................................................................................................... 5
- Checking the PROFIBUS cabling ................................................................................................... 5
Diagnostic functions .......................................................................................................................... 5
Sync and Freeze Mode...................................................................................................................... 6
- Sync Mode ..................................................................................................................................... 6
- Freeze Mode .................................................................................................................................. 6
System performance ......................................................................................................................... 6
- Data transfer between DPM1 and the DP slaves ........................................................................... 7
- Protective mechanisms .................................................................................................................. 7
- Ident. number ................................................................................................................................. 8
GSD files ............................................................................................................................................ 8
Short Description of PROFIBUS-DPV1 .................................................................................9
General .............................................................................................................................................. 9
Acyclic data transfer .......................................................................................................................... 9
DPV1-functions.................................................................................................................................. 9
DPM1 versus DPM2 .......................................................................................................................... 9
Addressing the data using acyclic services..................................................................................... 10
D301171 - IO-Link master 1108 1-1