Siemens S5-155U System Manual page 530

Index
O
Operator functions.......................................................................................................................................6-17
Outputs
parallel connection...........................................................................................................................8-25
Overall reset
CPU 922 ................................................................................................................................ 5-47, 5-50
CPU 928 ................................................................................................................................ 5-37, 5-40
CPU 928B.............................................................................................................................. 5-27, 5-30
CPU 948 ................................................................................................................................ 5-11, 5-15
P
Page memory...............................................................................................................................................6-23
PG Interfaces
CPU 928B........................................................................................................................................5-22
CPU 948 ..........................................................................................................................................5-17
PG multiplexer
of COR 923C ...................................................................................................................................6-24
PG MUX .....................................................................................................................................................6-29
PG submodule .............................................................................................................................................5-68
Pin assignments
PG submodule .................................................................................................................................5-69
RS422-A/485 submodule ................................................................................................................5-86
SINEC L1 submodule .....................................................................................................................5-92
TTY submodule...............................................................................................................................5-80
V.24 submodule...............................................................................................................................5-73
Power dissipation
in cabinets ........................................................................................................................................3-38
Power supplies
AC....................................................................................................................................................3-24
centrally grounded ...........................................................................................................................3-26
control circuits .................................................................................................................................3-22
grounded ..........................................................................................................................................3-25
load circuits......................................................................................................................................3-22
ungrounded ......................................................................................................................................3-27
Power supply
failure...............................................................................................................................................4-52
Power supply
for programmable controller ...........................................................................................................3-20
Power supply types .....................................................................................................................................4-21
Power supply unit..........................................................................................................................................4-5
connecting........................................................................................................................................4-26
fitting................................................................................................................................................4-33
removing..........................................................................................................................................4-31
replacing ..........................................................................................................................................4-50
setting...............................................................................................................................................4-26
Power supply unit
switching on.....................................................................................................................................4-38
Process inputs
scanning ................................................................................................................................. 8-11, 8-13
12 - 10
System Manual
C79000-S8576-C199-03