Siemens S7-300 appendix Retentivity of the RAM

Table of contents

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

CPU 31xC and CPU 31x, Technical data	xi
Manual, Edition 08/2004, A5E00105475-05