Index
Safety Engineering in SIMATIC S7
System Manual, 04/2006, A5E00109529-05
Index-5
Address, 6-2
PROFIsafe bus profile, 1-4
Programming
of F-system, 7-1
Programming language, 1-8, 1-16, 2-22, 7-3
Proof-test interval, 4-15
Protection
from overvoltages, 2-8
Purpose of system description, iii
R
Redundancy, 1-3, 2-7, 2-9
Redundant sensor, 5-2
Redundant switched I/O, 2-9, 2-20
Limits of availability, 2-21
References
Resources
of F-CPU for safety program, 6-2
Response time, A-15
of F-system, 1-7, A-1
Restart, 4-6
Restart OB, 4-6
Restart protection, 4-6
Risk analysis
In accordance with IEC 61508, 4-14
Risk parameters, 4-13
RUN
Modifying safety program, 4-3
RUN mode
Modifying safety program, 1-8
RUN mode, see RUN, 4-3
Runtime
of safety program, A-4
Runtime group, see F-runtime group, 3-5
S
S7 connections
Communication via (S7 Distributed Safety), 3-18
Communication via (S7 F/FH Systems), 3-20
S7 Distributed Safety, 1-3, 1-15
Area of application, 1-5
Centralized configuration, 2-10
Components, 2-2
Configuration, 2-2
Configuration example, 2-3
Distributed configuration, 2-11, 2-13
F-related monitoring times, A-3
Probability of failure of components, 4-15
PROFINET IO, 2-13
Program structure, 7-4
S7 connections, A-7
System performance, 1-7
S7 F Systems, 1-15
Components, 2-5
Configuration, 2-5
Configuration example, 2-6
S7 F/FH Systems, 1-3
Area of application, 1-6
F-related monitoring times, A-8
Probability of failure of components, 4-15
Program structure, 7-9
System performance, 1-7
S7 FH Systems, 2-9
Components, 2-6
Configuration, 2-6
Configuration example, 2-7
S7-300
Fail-safe signal modules, 1-12
Fail-safe signal modules Restrictions, 1-13
Safe state, 1-1, 4-5
Safety
in F-systems, 4-2
Safety certificate, 4-8
Safety class, 2-8, 2-23, 5-1
Achievable, 1-3, 1-7, 2-23, 4-12, 5-12
Effect of sensor quality, 5-3
Safety engineering
Advantages of integration, 1-2
Safety function
Calculating response time, A-15
Safety functions, 4-2
Principle of, 1-3
Safety Integrated, 1-2
Safety integrity level, 4-12
Achievable, 5-2
Safety Integrity Level
In accordance with IEC 61508, 4-13
Safety mechanisms, 4-1
Safety message frame, 4-3
Safety mode, 3-11
Deactivated, 4-3
of safety program, 4-3
