S7-400H
System Manual, 03/2012, A5E00267695-11
499
Index
A
A&D Technical Support, 22
Address range
CPU 41x-H, 88
Analog outp
ut signals, 204
Applied value, 198
Availability
Communi
cati
on, 37
Definition, 439
I/O, 169
of plants, 27
B
Backup, 119
basic knowledge
Required, 20
B
asic s
ystem, 34
Block st
ack, 118
Blocks
Compatibility, 99
B
us co
nnectors, 71
MPI, 70
PROFIBUS DP interfac
e, 71
Bus interruption, 93
Bus topology,
90
BUS1F, 57
BUS2F, 57
BUS5F, 57
BUSF, 91
C
Central processing unit, 34
Change memory type, 331
Checksum errors, 138
Cold restart, 64
Operating sequen
ce, 64
Commissioning, 41
Requ
ir
ements, 41
Commissioning the S7-40
0H, 43
Communication, 37
CPU s
erv
ices, 213
Open IE communication, 227
S7 communication, 215
Communicati
on blo
cks
Consistency, 112
Comm
unication functio
ns, 151
Communication pro
cessors, 457
Communication se
rvices
Overview, 213
S7 commu
nication, 215
Communication via MPI an
d communication bus
Cycle load, 358
Comp
ariso
n error, 138
Components
Ba
sic system, 34
Dupli
cating, 28
Configuration,
37
Configuration,
37
Configuring, 259
Connec
ting with diodes, 20
3
Connection
Fault-tole
rant S7, 232
S7, 232
Con
nec
tion resources, 214
Consistent data, 111
Accessing wo
rk me
mory, 112
Consis
tent data access, 115
Continued bum
pless operation, 123
CPU
Mode switch, 60
Paramete
r, 74
Resetting to the fac
t
ory settings, 81
CPU 41x-5
H
Operator controls and display elements, 47
CPU 41
xH
DP mas
ter, 91
CPU 41
x-H
DP add
ress areas, 88
CPU redu
ndancy errors, 39
CPU-CPU co
mmunication, 70
Cycle control
Execution time
, 363
Cycle lo
ad
Communicati
on via MPI and communication
bus, 358
Cyc
le time, 356
Elements, 357
Extendin
g, 358
Cyc
lic s
elf-test, 139
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