Siemens SIMATIC S7-400H Manual page 332

Index
E
Error LEDs
all CPUs, 4-9
CPU 414-4H, 4-10
CPU 417-4H, 4-10
CPU 41x-3 and 41x-4, 4-10
Error messages, 4-6
Expanded memory, 4-15
Expanded memory configuration, 11-47
Expanding load memory, 4-17
Expanding working memory, 4-22
EXT. BATT., 4-40
External backup current, 4-5
EXTF, 4-9
F
Fail-safe, 1-2
Failure of components, 10-1
in central racks and expansion racks, 10-2
of distributed I/O, 10-12
Fault-tolerant, 1-2
Fault-tolerant communications, 8-2
Fault-tolerant connections
configuration, 8-9
programming, 8-9, 8-15
properties, 8-9
Fault-tolerant station, 9-3
Fault-tolerant system
faults, 3-5
starting, 3-4
FB 450 "RED_IN", 7-13
FB 451 "RED_OUT", 7-13
FB 452 "RED_DIAG", 7-13
FB 453 "RED_STATUS", 7-13
FC 450 "RED_INIT", 7-13
FC 451 "RED_DEPA", 7-13
Fiber optic cable, 12-4
Bending radius, 12-6
Fiber Optics, Cable Routing, 12-6
Fiber-optic cables, 2-4
Fitting, M7-400, memory cards, 4-22
FLASH card, 4-19
Flash card, 4-18
FRCE, 4-9
Function modules, E-1
Functional I/O redundancy, 7-13
Index-2
H
Hardware
components, 2-3
configuring, 3-4, 9-4
installation, 3-3
Help, 9-2
HOLD, 5-9
I
I/O, 7-1
one-way, 7-3
redundant, 7-10
switched, 7-5
I/O direct access, 5-14
I/O modules, 2-5
IF 960-HF, 12-2
IFM1F, 4-10
IFM2F, 4-10
Installation, 2-1, 9-2
overview, 2-2
Interface for expanded memory, 4-4
INTF, 4-9
L
Link, up, 6-16
LINK–UP, 5-7
Link–up and update
functional sequence, 6-3
performance, 6-25
Link–up, updating in single mode, 5-8
Link-up
process, 6-7
process diagram, 6-4
Link-up and update
block, 6-13
effects, 6-2
Automation System S7-400H Fault-tolerant Systems
A5E00068197-07