Siemens SIMATIC S7-400H - Page 6

Table of contents
S7-400H
6 System Manual, 03/2012, A5E00267695-11
5.5 Design and function of the memory cards .................................................................................. 65
5.6 Using memory cards ................................................................................................................... 67
5.7 Multi Point Interface MPI/DP (X1)
............................................................................................... 70
5.8 PROFIBUS DP interface
(X2, X3)............................................................................................... 71
5.9 PROFINET interface
(X5) ........................................................................................................... 71
5.10 Ove
rview of the parameters for the S7-400H CPUs................................................................... 74
6 Special f
unctions of a CPU 41x-H............................................................................................................ 77
6.1 Security
levels ............................................................................................................................. 77
6.2 Encry
pting blocks ........................................................................................................................ 79
6.3 Resetting the CPU to the fac
tory state........................................................................................ 81
6.4 Updating the firmware without a memory ca
rd ........................................................................... 83
6.5 Firmware update in RUN mode .................................................................................................. 85
6.6
Reading se
rvice data .................................................................................................................. 86
7 PROFI
BUS DP ........................................................................................................................................ 87
7.1 CPU 41x–H as PROFIB
US DP master ....................................................................................... 87
7.1.1 DP address ranges of CPUs 41x-H
............................................................................................ 88
7.1.2 CPU 41xH as PROFIBUS DP master...........................
.............................................................. 88
7.1.3 Diagnostics o
f a CPU 41xH operating as PROFIBUS DP master.............................................. 91
8 PROFI
NET .............................................................................................................................................. 95
8.1 Introduction ..............................................................................................................
................... 95
8.2 PROFINET IO sy
stems............................................................................................................... 97
8.3 Blocks in PROFINET IO
.............................................................................................................. 99
8.4 Syst
em status lists for PROFINET IO ....................................................................................... 101
8.5 Device replacement witho
ut removable medium/programming device .................................... 103
8.6 Shared Device.............................................................................................................
.............. 103
8.7 Media redundancy..................................................................................................................... 104
8.8
System redundancy
.................................................................................................................. 106
9 Consistent
data...................................................................................................................................... 111
9.1 Consistenc
y of communication blocks and functions ............................................................... 112
9.2 Consi
stency rules for SFB 14 "GET" or read variable, and SFB 15 "PUT" or write variable.... 113
9.3 Consi
stent reading and writing of data from and to DP standard slaves/IO devices................ 113
10 Memory
concept .................................................................................................................................... 117
10.1 Overvi
ew of the memory concept of S7-400H CPUs................................................................ 117