Siemens SIMATIC S7-300 Hardware And Installation Manual page 255

R
rail
connecting the protective conductor...........7-4
ground conductor .......................................6-4
mounting hole dimensions..........................6-5
preparing ....................................................6-4
rails
fixing screws...............................................6-5
length .........................................................5-4
versions ......................................................6-3
rechargeable battery
handling rules .........................................10-11
inserting......................................................9-6
replacing...................................................10-9
Reduction factor .........................................13-15
reference potential
grounded ..................................................5-17
Reference potential
ungrounded ..............................................5-20
Repeater
RS 485 .....................................................5-43
replacing
back-up battery.........................................10-9
module .....................................................10-5
rechargeable battery ................................10-9
replacing
fuses.......................................................10-13
replacing a module
Behavior of S7-300...................................10-8
replacing fuses
digital output module ..............................10-13
reset
with key switch ........................................9-16
reset CPU memory.......................................9-15
Restart........................................................13-10
Retentivity ..................................................13-12
Routing.........................................................5-51
routing a potential difference cable ...........12-13
RS 485
bus connector...........................................5-43
RS 485-Repeater .........................................5-43
Rules and regulations for error-free
operation ..................................................12-1
Runtime Error...............................................13-9
S
S7-300
initial power up .........................................9-14
Scope of the Manual ......................................1-1
Segment.......................................................5-36
in the MPI subnet .....................................5-45
in the PROFIBUS subnet .........................5-45
SF
LED, evaluation ........................................11-8
shielding contact element.............................7-13
mounting ..................................................7-13
shielding terminal
laying cables ............................................7-14
Shielding terminal module ..............................5-5
S7-300 Programmable Controller Hardware and Installation
A5E00105492-02
Signal module ............................................ 13-13
SIMATIC Manager ....................................... 9-20
start.......................................................... 9-20
SINEC L2-DP............................................. 13-12
single-step mode ......................................... 11-1
Slave Diagnostic
read ....................................................... 11-16
slave diagnostics
read, example ........................................ 11-17
structure................................................. 11-23
slot number
assign ........................................................ 6-9
insert ........................................................ 6-10
Slot number label........................................... 6-2
Slot-based addressing ................................... 8-1
start-up ........................................................ 13-2
CPU 31x-2 DP as DP master................... 9-28
CPU 31x-2 DP as DP slave ..................... 9-31
CPU 31xC-2 DP as DP master ................ 9-28
CPU 31xC-2 DP as DP slave................... 9-31
Station status ............................................. 11-25
Status display
DP-compliant CPUs ............................... 11-10
status interrupt ............................................. 13-2
strain relief ................................................... 7-10
stub cables
length ....................................................... 5-45
Subnets ....................................................... 5-34
Substitute Value........................................... 13-6
surge protection, example ......................... 12-26
synchronous error........................................ 11-4
System diagnostics.................................... 13-14
System function
SFC........................................................ 13-14
System function block
SFB........................................................ 13-14
System Memory......................................... 13-14
T
terminating resistor
MPI subnet............................................... 5-52
setting on the bus connector.................... 7-17
Terminating resistor ..................................... 13-1
Timers........................................................ 13-16
tool
necessary .................................................. 6-2
U
ungrounded installation
connecting PG ......................................... 9-13
uninstalling
the modules ............................................. 10-6
Update
Operating system..................................... 10-3
update interrupt............................................ 13-1
User memory ............................................... 13-3
User Program .............................................. 13-3
User-defined addressing......................... 8-1, 8-3
Index
Index-5