Index

Connector assignments, power supply units, 11-9

Connector assignments of the backplane EU 183U, EU 184U, EU 187U, 11-5EU 185U, 11-6

S5-135U/155U CC, 11-2Controls and indicators

COR 923C, 6-23CPU 922, 5-74CPU 928, 5-65

CPU 928 -3UA21, 5-57

CPU 928B, 5-35,5-47CPU 948, 5-20

CPU 948 -3UA13, 5-6

CPU 948 -3UA23, 5-6IM 300, 7-4

IM 301, 7-10

IM 304, 7-14

PSU 6ES5 955-3NA12, 4-58Coordinator

location of jumper sockets, 6-4modes, 6-13

normal operation, 6-13

stop in the event of fault, 6-13test mode, 6-14

COR 923A, 6-6application, 6-15design, 6-15mode switch, 6-17

principle of operation, 6-16COR 923C, 6-6,6-12,6-15

activating addresses, 6-25application, 6-18controls, 6-23

design, 6-19indicators, 6-23principle of operation, 6-19

setting the coordination section, 6-24setting the DIL switches, 6-24setting the PG multiplexer, 6-25switching off the coordination signal, 6-27

Coupling

capacitive coupling, 3-4direct coupling, 3-4inductive coupling, 3-4mechanisms, 3-3radiated interference, 3-4

Current limiting, two-wire transducers, 9-46Current sensors, connection, 9-17Current/voltage measurement, 9-78Cyclic program processing, 6-13,6-14Cyclic sampling, 9-8,9-54

Index-2

D

Data format, setting, 9-48,9-81Design

COR 923A, 6-15

COR 923C, 6-19CPU 922, 5-71CPU 928, 5-62

CPU 928 -3UA21, 5-54CPU 928B, 5-42

CPU 928B -3UB21, 5-30CPU 948, 5-17

CPU 948 -3UA13, 5-2

CPU 948 -3UA23, 5-2Differential measurement, 9-78,9-89Distributed arrangement of monitor and PLC,

3-30

Double addressing, 6-6,6-21

E

Electrical connection with process I/Os, 3-22Electromagnetic compatibility, 3-2

EMC, basic rules, 3-5

EMC measures, specific, 3-16Enable, switching off, 9-5

Enable circuit, digital input/output modules, 8-5Enable input, 9-5,9-36,9-51,9-99

switching off, 9-99Enable inputs, functioning, 8-6Enable switching off, 9-36,9-51Enable time, 6-16,6-19

Equipotential bonding conductor, 3-13,9-17Example of an electrical installation, 3-22

F

Fan, 4-3failure, 4-50removing, 4-33replacing, 4-41,4-67

Fan lock, releasing, 4-33Fan submodule

connecting, 4-72setting, 4-72

Fault detection, monitoring module, 10-4Fault indications

power supply units, 4-36PSU 6ES5 955-3NA12, 4-65

Fault LEDs, fan submodule 6ES5 988-3LA11, 4-73

System Manual

C79000-G8576-C199-06

Page 552
Image 552
Siemens S5-135U/155U appendix Index