Siemens SIMATIC S7-400H Manual page 333

M
Master CPU, 5-2
Master/standby assignment, 5-2
Maximum blocking time for priority classes >
15
calculating, 6-20
definition, 6-14
Maximum communication delay
calculation, 6-24
definition, 6-14
Maximum scan-cycle time extension
calculation, 6-24
definition, 6-14
MDT, A-2
Memory card, 4-17, 4-18
technical specifications, 4-21
Memory modules, 4-22
Memory reset, operating sequence, 4-13
Minimum I/O retention time
calculating, 6-19
definition, 6-15
Mode selector, 4-11
Monitoring functions, 4-6
Monitoring time
accuracy, 6-18
determining, 6-17
monitoring time, configuring, 6-19
Mounting rack, 2-4
MPI interface, 4-24
MPI/DP interface, 4-4
MSTR, 4-8
MTBF, A-2, A-4
N
Network
Industrial Ethernet, 8-5
PROFIBUS, 8-6
Network configuration, 9-7
O
Operating mode, changing, 4-28, 12-5
Operating mode changes, 4-39
Operating mode selector, 4-3
Operating modes
CPU, 5-5
STARTUP, 5-7
STOP, 5-6
Operating objectives, 1-2
Automation System S7-400H Fault-tolerant Systems
A5E00068197-07
Operating state, TROUBLESHOOTING, 5-10
Operating states
HOLD, 5-9
LINK–UP, 5-7
RUN, 5-8
UPDATE, 5-7
Order number
6ES7 414-4HJ00-0AB0, 13-2
6ES7 417-4HL01-0AB0, 13-6
Organization blocks, 2-8
P
Parameters, 4-26
module rack number, 4-27
operating mode, 4-27
Partial connection, active, 8-4
PG/OP–CPU communication, 4-24
Power supply, 2-4
Process interrupt, in the S7-400H system, 5-14
Profibus–DP inteface, 4-4
Programming device functions, 9-8
Protection level, 4-12
setting, 4-12
R
RACK0, 4-8
RACK1, 4-8
RAM Card, 4-19
RAM card, 4-18
RAM/PIQ comparison error, 5-12
Reading data consistently from a DP standard
slave, 4-45
Reading tags, consistency rules, 4-43
Readme file, 9-2
Reboot, 4-14
operation sequence, 4-14
REDF, 4-10
Redundancy
active, 5-2
functional, 5-2
Redundant communication system, 8-2
Redundant I/O, 7-10, 7-35
analog input modules, 7-23
configuration, 7-14
configurations, 7-10
digital input modules, 7-17
digital output modules, 7-21
run times of the blocks, 13-10
Index
Index-3