Index

O

Operator functions, 6-15Outputs, 8-22

parallel connection, 8-22Overall reset

CPU 922, 5-75,5-78CPU 928, 5-69CPU 928 , 5-66CPU 928B, 5-48CPU 928B , 5-51

CPU 928 -3UA21, 5-58,5-60CPU 928B -3UB21, 5-36,5-39CPU 948, 5-21,5-25

CPU 948 -3UA13, 5-7,5-11CPU 948 -3UA23, 5-7,5-11

P

Page memory, 6-21PG interfaces

CPU 928B, 5-31,5-43CPU 948, 5-27

CPU 948 -3UA13, 5-13

CPU 948 -3UA23, 5-13

PG multiplexer, of COR 923C, 6-21PG MUX, 6-27

PG submodule, 5-95Pin assignments

PG submodule, 5-96

RS422 A/485 submodule, 5-113SINEC L1 submodule, 5-119TTY submodule, 5-107

V.24 submodule, 5-100Power dissipation, in cabinets, 3-35Power supplies

AC, 3-21

centrally grounded, 3-23control circuits, 3-19grounded, 3-22

load circuits, 3-19ungrounded, 3-24

Power supply failure, 4-49

for programmable controllers, 3-17types, 4-19

Power supply unit, 4-3connecting, 4-23fitting, 4-30removing, 4-28setting, 4-23switching on, 4-35

Process inputs, scanning, 8-9,8-10Process interrupt processing

CPU 922, 5-72

CPU 928, 5-63

CPU 928 -3UA21, 5-55CPU 928B, 5-44

CPU 928B -3UB21, 5-32Processing levels

CPU 922, 5-71

CPU 928, 5-62

CPU 928 -3UA21, 5-54

CPU 928B, 5-30,5-42CPU 948, 5-17

CPU 948 -3UA13, 5-2

CPU 948 -3UA23, 5-2Programmable controller

power supply, 3-17,3-23validity check, 4-11

Protection, 3-20

Pt 100, connection, 9-65

Pt 100 measuring range, 9-26

Q

Quenching circuitry, 8-25

Quenching devices, selection, connection, 8-26

R

Radiated interference, 3-4Rechargeable battery, connecting, 4-33Reference potential, 3-6

System Manual

Index-5

C79000-G8576-C199-06

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Image 555
Siemens S5-135U/155U appendix Index-5