Siemens SIMATIC S7-400H - Page 500

Index
S7-400H
500 System Manual, 03/2012, A5E00267695-11
D
Data consistency, 111
Determining memory requirements, 69
SM 321
Exampl
e of an interconnection,
SM 321
Example of an interconn
ection,
SM 321
Example of an interconnection,
SM 321
Example of an interconnection,
Diagnostic address, 93
Diagnos
tic buffer, 59
Diag
nostics
Evaluating,
92
Digital outp
ut
Fault-tolerant
, 197, 203
Dire
ct current
measurement, 202
Direct I/O access, 373
Discrepancy
Digital input module
s
, 194
Discrepa
ncy time, 194, 198
SM 422
Exampl
e of an interconnection,
SM 322
Example of an interconn
ection,
SM 322
Example of an interconnection,
Documentation, 40
DP interfac
e, 71
DP master
Diagnostics u
sing LEDs, 91
Diag
nostics with STEP 7, 91
DP master system
Startup, 89
DPV1, 89
DPV1 and E
N 50170, 90
DPV1 mas
ter, 89
DPV1 mode, 90
DP
V1
slaves, 89
E
EN 50170, 89
Encoders
Double redundant, 196
Erro
r LEDs
All CPUs, 56
CPU 41
2-5H, 58
CPU 41
4-5H, 58
CPU 416-5H, 58
CPU 417-5H, 58
Error messa
g
es, 52
Execution time
Cycle control, 363
Operating system,
363
Process imag
e update, 359
User progr
am
, 358
Expanded memory config
uration, 148
Expanding the load memo
ry, 65
External backup volta
ge, 50
External diodes,
197
EXTF, 56
F
Factory settings, 81
Fail-safe, 25
Failure of a CPU, 44
Failure of a fiber-
opt
ic cable, 44
Failure of a power suppl
y module, 44
Failure of a redundancy node,
29
Failure of components, 26
5
in central and expansion ra
cks, 265
of distributed I/Os, 276
Fault-tole
rant, 25
Fault-tole
rant communication,
231
Fault-tolerant connectio
ns
Configuration, 245
Programmin
g, 236, 246
Fault-tolerant
station, 259
Fault-tolerant
system
Starting, 43
FB 450 RED_IN,
182
FB 451 RED_OUT, 182
FB 452 RED_DIAG, 182
FB 453 RED_STATUS, 182
FC 450
RED_INIT, 182
FC 451 RED_DEPA, 182
Fiber-optic
cab
le, 35
Cable pull-in, 347
Ins
tallation, 346
Replacement, 272
Selection, 349
Storage, 347
Firmware
Upd
ating, 83
FLASH card, 67, 68
Flexibl
e memory spa
ce, 119
FRCE, 56
Functio
n modules, 457
Func
tional I/O redundancy, 182