Siemens S5-135U/155U System Manual page 552

Index
Connector assignments, power supply units,
11-9
Connector assignments of the backplane
EU 183U, EU 184U, EU 187U, 11-5
EU 185U, 11-6
S5-135U/155U CC, 11-2
Controls and indicators
COR 923C, 6-23
CPU 922, 5-74
CPU 928, 5-65
CPU 928 -3UA21, 5-57
CPU 928B, 5-35, 5-47
CPU 948, 5-20
CPU 948 -3UA13, 5-6
CPU 948 -3UA23, 5-6
IM 300, 7-4
IM 301, 7-10
IM 304, 7-14
PSU 6ES5 955-3NA12, 4-58
Coordinator
location of jumper sockets, 6-4
modes, 6-13
normal operation, 6-13
stop in the event of fault, 6-13
test mode, 6-14
COR 923A, 6-6
application, 6-15
design, 6-15
mode switch, 6-17
principle of operation, 6-16
COR 923C, 6-6, 6-12, 6-15
activating addresses, 6-25
application, 6-18
controls, 6-23
design, 6-19
indicators, 6-23
principle of operation, 6-19
setting the coordination section, 6-24
setting the DIL switches, 6-24
setting the PG multiplexer, 6-25
switching off the coordination signal, 6-27
Coupling
capacitive coupling, 3-4
direct coupling, 3-4
inductive coupling, 3-4
mechanisms, 3-3
radiated interference, 3-4
Current limiting, two-wire transducers, 9-46
Current sensors, connection, 9-17
Current/voltage measurement, 9-78
Cyclic program processing, 6-13, 6-14
Cyclic sampling, 9-8, 9-54
Index-2
D
Data format, setting, 9-48, 9-81
Design
COR 923A, 6-15
COR 923C, 6-19
CPU 922, 5-71
CPU 928, 5-62
CPU 928 -3UA21, 5-54
CPU 928B, 5-42
CPU 928B -3UB21, 5-30
CPU 948, 5-17
CPU 948 -3UA13, 5-2
CPU 948 -3UA23, 5-2
Differential measurement, 9-78, 9-89
Distributed arrangement of monitor and PLC,
3-30
Double addressing, 6-6, 6-21
E
Electrical connection with process I/Os, 3-22
Electromagnetic compatibility, 3-2
EMC, basic rules, 3-5
EMC measures, specific, 3-16
Enable, switching off, 9-5
Enable circuit, digital input/output modules, 8-5
Enable input, 9-5, 9-36, 9-51, 9-99
switching off, 9-99
Enable inputs, functioning, 8-6
Enable switching off, 9-36, 9-51
Enable time, 6-16, 6-19
Equipotential bonding conductor, 3-13, 9-17
Example of an electrical installation, 3-22
F
Fan, 4-3
failure, 4-50
removing, 4-33
replacing, 4-41, 4-67
Fan lock, releasing, 4-33
Fan submodule
connecting, 4-72
setting, 4-72
Fault detection, monitoring module, 10-4
Fault indications
power supply units, 4-36
PSU 6ES5 955-3NA12, 4-65
Fault LEDs, fan submodule 6ES5 988-3LA11,
4-73
C79000-G8576-C199-06
System Manual