Table of contents
Tables
Table 1-1
Application area covered by this manual ...................................................................................... iii
Galvanic isolation ....................................................................................................................... 1-1
CPU performance ...................................................................................................................... 1-3
Communication .......................................................................................................................... 1-3
Software ..................................................................................................................................... 1-3
Supplementary features ............................................................................................................. 1-4
Table 2-1
Positions of the mode selector switch........................................................................................ 2-3
Table 2-2
Differences of the CPUs 31xC ................................................................................................... 2-3
Table 2-5
Positions of the mode selector switch...................................................................................... 2-10
Table 2-6
General status and error displays of the CPU 31x .................................................................. 2-11
Table 2-7
Bus error displays of CPU 31x................................................................................................. 2-11
Table 3-1
Operating modes for CPUs with two DP interfaces ................................................................... 3-2
Table 3-3
Client and server in S7 communication, using connections with unilateral /
bilateral configuration ................................................................................................................. 3-8
Table 3-4
GD resources of the CPUs....................................................................................................... 3-10
Table 3-5
Number of routing connections for DP CPUs .......................................................................... 3-12
Table 3-6
New System Standard Functions of PROFINET IO and PROFIBUS DP and
Those That Must Be Replaced................................................................................................. 3-21
Different Functions in PROFINET IO ....................................................................................... 3-22
Distribution of connections ....................................................................................................... 3-29
Table 3-11
Availability of connection resources......................................................................................... 3-30
x
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05