Siemens SIMATIC S7 Functional Safety Manual page 210

Index
R
Rated voltages, 139
Reactions to faults
safety repair time, 118
Reintegration, 16
after high stress events, 117
fail-safe signal module, 117
Relay electrical service life, 141
Restart, 18
Restart OB, 18
Retentive memory
CPU 1214FC, 149
CPU 1215FC, 160
RUN
modifying safety program, 15
RUN mode, see RUN, 15
S
S7-1200
inductive loads, 102
Safe state, 16, 115
Safety Class
achieve with SM 1226 F-DI 8/16 x 24 VDC, 68
Safety function, 12
example, 12
Safety Integrity Level, 11
Safety message frame, 15
Safety mode
deactivated, 15
of fail-safe SM, 15
of safety program, 15
Safety program
effect on restart characteristics, 18
in safety mode, 15
Safety repair time, 118
Safety requirements, 11
Saving faults, 115
Security
access protection, 33
CPU, 33
SELV, 90
Sensor evaluation, 20
Sequence number, 15
Service and support, 4
Siemens technical support, 4
Signal board (SB)
power requirements, 92
Signal module (SM)
installation and removal, 87
power requirements, 92
210
removal, 88
SM 1226, 172, 178, 185
SIL, 11
SIMATIC Safety, 11
principles of safety functions, 12
product overview, 11
SM 1226 F-DI 8/16 x 24 VDC
fault types, 125
SM 1226 F-DQ 2 x Relay
fault types, 125
SM 1226 F-DQ 4 x 24 VDC
fault types, 125
fuse and electronic overload protection, 180
SM1226 F-DI 8/16 x 24 VDC
diagnostic messages, 125
Snubber circuits for inductive loads, 102
Specifications
ATEX approval, 134
CE approval, 132
CPU 1214FC DC/DC/DC, 149
CPU 1214FC DC/DC/Relay, 149
CPU 1215FC DC/DC/DC, 160
CPU 1215FC DC/DC/Relay, 160
C-Tick approval, 134
cULus approval, 133
electromagnetic compatibility (EMC), 135
environmental conditions, 137
FM approval, 133
general technical specifications, 131
industrial environments, 135
maritime approval, 134
protection, 138
rated voltages, 139
SM 1226 signal module, 172, 178, 185
SM 1226 wiring diagram, 175, 183, 190
step response times (CPU), 155, 165
State
safe, 115
STEP 7 web pages, 5
Support, 4
Suppressor circuits for inductive loads, 102
Surge immunity, 136
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA