Siemens SIMATIC S7-400H Manual page 18

Contents
Tables
4-1 LEDs of the CPUs
4-2 Positions of the mode selector
4-3 Protection levels of a S7-400 CPU
4-4 Types of memory cards
4-5 CPUs 41x (MPI/DP Interface as Profibus DP)
4-6 Meaning of the BUSF LEDs of the CPU 41x as DP master
4-7 Reading out the diagnostics information with STEP 7
4-8 Event detection of the CPUs 41x as DP master
5-1 Overview of the S7-400H system modes
5-2 Explanations relating to figure 5-2 System and Operating Modes of the
Fault-Tolerant System
5-3 Causes of Error Leading to the Termination of Redundant System Mode
5-4 Response to errors during the self-test
5-5 Response to a recurring comparison error
5-6 Response to checksum errors
6-1 Properties of link-up and update
6-2 Premium for the monitoring times of redundant I/O
6-3 Typical values for the user program share TP15_AWP of the
max. blocking time for priority classes > 15
7-1 Signal modules for redundancy
7-2 Digital output module connected through/without diodes
7-3 Analog input modules and sensors
7-4 Assignment of the status byte
7-5 Assignment of the status bytes
7-6 OB 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-7 OB 122
11-1 Modifiable CPU parameters
13-1 Run times of the blocks for redundant I/O
A-1 MTBF factor for redundant I/O
B-1 Differences between S7-400 and S7-400H
xviii
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Automation System S7-400H Fault-tolerant Systems
4-3
4-12
4-13
4-18
4-30
4-35
4-36
4-39
5-4
5-6
5-8
5-11
5-12
5-12
6-2
6-19
6-25
7-15
7-21
7-31
7-33
7-34
7-39
7-40
11-41
13-11
A-8
B-2
A5E00068197-07