Table of contents
S7-400 Automation System, CPU Specifications
Manual, 10/2006, 6ES7498-8AA04-8BA0
vii
Table 5-16 Structure of station status 3 (Byte 2) ....................................................................................... 5-22
Table 5-17 Structure of the master PROFIBUS address (byte 3)..............................................................
5-23
Table 5-18 Diagnostic address for the recipient during direct data exchange...........................................
5-30
Table 5-19 Event detection of the 41x CPUs as recipients during direct communication .........................
5-30
Table 5-20 Evaluation of the station failure in the sender during direct data exchange ............................
5-31
Table 6-1 New System and Standard Functions/System and Standard Functions to be Replaced..........
6-6
Table 6-2 System and Standard Functions in PROFIBUS DP that must be Implemented with
Different Functions in PROFINET IO.........................................................................................
6-7
Table 6-3 OBs in PROFINET IO and PROFIBUS DP................................................................................
6-7
Table 6-4 Comparison of the System Status Lists of PROFINET IO and PROFIBUS DP........................
6-8
Table 6-5 PROFINET IO address areas of the CPUs..............................................................................
6-14
Table 8-1 Memory requirements ................................................................................................................
8-2
Table 9-1 Cyclic program processing.........................................................................................................
9-1
Table 9-2 Factors that Influence the Cycle Time .......................................................................................
9-3
Table 9-3 Portions of the process image transfer time ..............................................................................
9-4
Table 9-4 Operating System Scan Time at the Scan Cycle Checkpoint ...................................................
9-5
Table 9-5 Increase in cycle time by nesting interrupts...............................................................................
9-5
Table 9-6 Reducing the Response Time..................................................................................................
9-18
Table 9-7 Example of Calculating the Response Time............................................................................
9-20
Table 9-8 Calculating the Interrupt Response Time ................................................................................
9-24
Table 9-9 Hardware Interrupt and Diagnostic Interrupt Response Times; Maximum Interrupt
Response Time Without Communication ................................................................................
9-24
Table 9-10 Reproducibility of Time-Delay and Watchdog Interrupts of the CPUs.....................................
9-27
Table 9-11 Response time for acyclic interconnections.............................................................................
9-30
Table 11-1 Female connector IF1 IF 964-DP (9-pin D-sub) ......................................................................
11-3