Siemens SIMATIC S7-400H Manual page 206

Index
L
Link-Up
process, 5-7
process diagram, 5-4
time behavior, 5-17
Link-Up and update
block, 5-13
effects, 5-2
M
Master CPU, 4-2
Master/standby assignment, 4-2
Maximum blocking time for priority
classes > 15
calculation, 5-20
definition, 5-15
Maximum communication delay
calculation, 5-24
definition, 5-15
Maximum scan-cycle time extension
calculation, 5-25
definition, 5-15
MDT, A-2, Glossary-2
Minimum I/O hold time
calculation, 5-20
definition, 5-16
Mounting rack, 2-4
MTBF, A-2, Glossary-2
MTTR, Glossary-2
N
Network
Industrial Ethernet, 7-5
PROFIBUS, 7-6
Network configuration, 8-5
O
Online-Help, iv
Operating modes
CPU, 4-6
ERROR-SEARCH, 4-11
HOLD, 4-10
LINK-UP, 4-8
RUN, 4-9
STARTUP, 4-8
STOP, 4-7
UPDATE, 4-8
Index-2
Operating objectives, 1-2
Operating system update, 10-51
Organization blocks, 2-8
P
Partial connection, active, 7-4
Power supply, 2-4
Programming device functions, 8-6
R
Readme file, 8-2
Redundancy
active, 4-2
functional, 4-2
Redundant communication system, 7-2
Redundant nodes, 1-5, 7-2
Redundant PLCs, 1-2
Reliability, A-2
Repair, 9-1
Replacement during operation, 9-1
in central racks and expansion racks, 9-2
of distributed I/O, 9-12
Rules for equipment, 8-3
S
S5 to S7
configuration, C-2
diagnostics and programming, C-2
S7 connections, configured, 7-3, 7-8
S7-REDCONNECT, 7-7, 7-17
Self-test, 4-4, 4-11
Separate operation, B-1
configure, B-4
definition, B-1
points for consideration, B-2
upgrading to fault-tolerant system, B-4
SIMATIC Manager, 8-6
Software
components, 2-7
redundancy, 1-3
requirements, 8-2
Standby CPU, 4-2
Starting up, requirements, 3-2
Suitable CPs, 7-7
Synchronization, 4-3
event-driven, 4-3
Synchronization submodules, 2-4
S7-400H Programmable Controller Fault-Tolerant Systems
A5E00068197-04