Siemens SIMATIC S7-400H System Manual page 373

I
I/O, 30, 119
Configuration versions, 30
one-sided, 121
Redundant, 127
Switched, 123
I/O direct access, 92, 275
I/O redundancy errors, 32
IFM1F, 47
IFM2F, 47
Indirect current measurement, 143
Installation, 25
Installation types
I/O, 119
INTF, 47
L
LED
BUSF, 69
LED display, 41
Link-up, 93, 94, 95, 99, 105, 108, 155
Flow chart, 96
Monitoring times, 155
Sequence, 99
Time-based reaction, 108
LINK-UP, 85
Link-up and update
Disabling, 105
Effects, 93
Sequence, 95
Starting, 95
Link-up with master/standby changeover, 99
Link-up, Update, 86
Load memory, 103
Loss of redundancy, 81
M
Manual package, 16
Master CPU, 80
Master/standby assignment, 80
Maximum communication delay
Calculation, 114
Definition, 106
Maximum cycle time extension
Calculation, 114
Definition, 106
Maximum disable time for priority classes > 15
Calculation, 111
S7-400H
System Manual, 09/2007, A5E00267695-03
Maximum inhibit time for priority classes > 15
Definition, 106
MDT, 311
Memory card, 54
Function, 54
Memory card slot, 41
Memory expansion, 239
Memory reset, 84
Sequence, 51
Message functions, 102
Minimum I/O retention time
Calculation, 110
Definition, 106
Mode selector switch, 41, 49
Monitoring functions, 44
Monitoring times, 106
Accuracy, 109
Configuration, 110
MPI interface, 57
MPI parameters, 52
MPI/DP interface, 42
MSTR, 46
MTBF, 311, 316
Multiple-bit errors, 91
N
Network configuration, 183
Non-redundant encoders, 139, 142
O
OB 121, 89
Online help, 17
Operating mode
Changing, 323
Operating mode changes, 71
Operating objectives, 21
Operating states
CPU, 83
HOLD, 87
LINK-UP, 85
RUN, 86
STARTUP, 85
STOP, 84
System, 82
UPDATE, 85
Operating system
Execution time, 265
Order numbers
Memory card, 309
Organization blocks, 32
Index
373