Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 - Manual (Page 11)

Table of contents
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
xi
Table 4-1 Retentivity of the RAM ............................................................................................................... 4-2
Table 4-2 Retentive behavior of memory objects (applies to all CPUs with DP/MPI-SS (31x-2 PN/DP) .. 4-3
Table 4-3 Retentive behavior of DBs for CPUs with firmware >= V2.1.0 .................................................. 4-4
Table 4-4 Address areas of system memory ............................................................................................. 4-5
Table 5-1 Cyclic program processing......................................................................................................... 5-3
Table 5-2 Formula for calculating the process image (PI) transfer time .................................................... 5-5
Table 5-3 CPU 31xC: Data for calculating the process image (PI) transfer time....................................... 5-5
Table 5-4 CPU 31x: Data for calculating the process image (PI) transfer time ......................................... 5-6
Table 5-5 Extending the user program processing time ............................................................................ 5-6
Table 5-6 Operating system processing time at the scan cycle checkpoint .............................................. 5-7
Table 5-7 Extended cycle time due to nested interrupts............................................................................ 5-7
Table 5-8 Cycle time extension as a result of errors.................................................................................. 5-8
Table 5-9 Cycle time extension as a result of testing and commissioning functions............................... 5-11
Table 5-10 Formula: Shortest response time............................................................................................. 5-16
Table 5-11 Formula: Longest response time ............................................................................................. 5-18
Table 5-12 Calculating the response time.................................................................................................. 5-20
Table 5-13 Process/diagnostic interrupt response times........................................................................... 5-21
Table 5-14 Process/diagnostic interrupt response times........................................................................... 5-22
Table 6-1 Available MMCs ......................................................................................................................... 6-2
Table 6-2 Maximum number of loadable blocks on the MMC.................................................................... 6-2
Table 6-3 Technical data of CPU 312C ..................................................................................................... 6-3
Table 6-4 Technical data of CPU 313C ..................................................................................................... 6-8
Table 6-5 Technical data for CPU 313C-2 PtP/ CPU 313C-2 DP............................................................ 6-14
Table 6-6 Technical data of CPU 314C-2 PtP and CPU 314C-2 DP....................................................... 6-21
Table 6-7 Parameters of standard DI....................................................................................................... 6-39
Table 6-8 Parameters of the interrupt inputs............................................................................................ 6-39
Table 6-9 Parameters of standard AI....................................................................................................... 6-41
Table 6-10 Parameters of standard AO ..................................................................................................... 6-42
Table 6-11 Start information for OB40, relating to the interrupt inputs of the integrated I/O ..................... 6-45
Table 6-12 Technical data of digital inputs................................................................................................. 6-47
Table 6-13 Technical data of digital outputs .............................................................................................. 6-49
Table 6-14 Technical data of analog inputs ............................................................................................... 6-51
Table 6-15 Technical data of analog outputs............................................................................................. 6-53