Table of contents
Preface. ..................................................................................................................................................... iii
1
2
2.1
2.1.1
Operating and display elements: CPU 31xC ............................................................................. 2-1
2.1.2
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
3
Communication....................................................................................................................................... 3-1
3.1
Interfaces ................................................................................................................................... 3-1
3.1.1
Multi-Point Interface (MPI) ......................................................................................................... 3-1
3.1.2
PROFIBUS DP........................................................................................................................... 3-2
3.1.3
PROFINET (PN)......................................................................................................................... 3-3
3.1.4
Point to Point (PtP) .................................................................................................................... 3-5
3.2
Communication services............................................................................................................ 3-6
3.2.1
3.2.2
PG communication..................................................................................................................... 3-7
3.2.3
OP communication..................................................................................................................... 3-8
3.2.4
3.2.5
S7 communication ..................................................................................................................... 3-8
3.2.6
3.2.7
Routing..................................................................................................................................... 3-11
3.2.8
Point-to-point connection ......................................................................................................... 3-15
3.2.9
Data consistency...................................................................................................................... 3-15
3.2.10
3.2.10.1 PROFINET IO System ............................................................................................................. 3-19
3.3
S7 connections ........................................................................................................................ 3-27
3.3.1
3.3.2
3.3.3
3.3.4
3.4
DPV1........................................................................................................................................ 3-33
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
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