Siemens SIMATIC S7 System Manual page 160

Index
Safety program
Communication between F-CPU and F-I/O, 3-6
Communication between F-CPUs, 3-13
Communication between F-runtime groups, 3-5
Communication for standard user program, 3-3
CPU resources for, 6-2
Creating, 1-10
Determining runtime, A-4
Effect on restart characteristics, 4-6
Fault reaction in, 1-8, 4-5
in safety mode, 4-3
Modifying, 1-8
Password for, 4-7
Program structure (S7 Distributed Safety), 7-4
Program structure (S7 F/FH Systems), 7-9
Programming language, 1-16
Safety protector, 2-8
Safety requirements, 4-12
Safety-related communication, see
Communication, 3-2
Scope of system description, iii
See F-SB, 7-8, 7-11
Selection criteria
for an F-system, 2-22
Sensor
Redundant, 5-2
Single-channel, 5-2
Two-channel, 5-2
Sensor evaluation, 5-1, 5-2
Sensor quality
Effect on safety class, 5-3
Sequence number, 4-3
Sequence of steps
for working with F-systems, 1-18
Service, vii
Service information, 3-8, 3-11
SFC 59, 3-12
Signals
Safety-related, 1-2
Single-channel I/O, 2-9, 2-10, 2-15
Limits of availability, 2-14, 2-17
Single-channel sensor, 5-2
Single-channel switched I/O, 2-9, 2-18
Limits of availability, 2-19
Slave diagnostics, 3-12
Software components
of F-system, 1-15
Software redundancy
Software package, 2-9
Index-6
Standard mode, 3-11
Standard modules, 2-3, 2-6, 2-7
Standard user program, 1-11
Communication between CPU and F-I/O, 3-11
Standards, 4-8, 4-9
STEP 7 project
Schematic structure, 7-2
STOP
of F-CPU, 4-5
STOP mode, see STOP, 4-5
Subnet, 3-13
Support, vii
Additional, vii
PROFINET IO, 1-9
System
Acceptance test, 4-7
Planning, 1-17
System configuration
of F-system, 2-23
System description
Contents, vi
System performance
of F-systems, 1-7
T
Test signals, 5-1, 5-12
Time interrupt OB, 7-5, 7-9
Training center, vii
Two-channel sensor, 5-2
Typical response time of F-system, 2-22
U
User safety function, 1-4
V
Validity check, 3-4, 3-5
Variables
for F-I/O communication, 3-8, 3-11
W
Warm restart, 4-6
What's new?, iv
WinCC, 3-12
System Manual, 04/2006, A5E00109529-05
Safety Engineering in SIMATIC S7