Coordinator
location of jumper sockets.................................................................................................................6-6
modes ...............................................................................................................................................6-15
normal operation..............................................................................................................................6-15
stop in the event of fault ..................................................................................................................6-15
test mode..........................................................................................................................................6-16
COR 923A.....................................................................................................................................................6-8
application .......................................................................................................................................6-17
design ...............................................................................................................................................6-17
mode switch .....................................................................................................................................6-19
principle of operation ......................................................................................................................6-18
COR 923C ..................................................................................................................................6-8, 6-14, 6-17
activating addresses .........................................................................................................................6-27
application .......................................................................................................................................6-20
controls ............................................................................................................................................6-25
design ...............................................................................................................................................6-21
indicators .........................................................................................................................................6-25
principle of operation ......................................................................................................................6-21
setting the coordination section .......................................................................................................6-26
setting the DIL switcher ..................................................................................................................6-26
setting the PG multiplexer ...............................................................................................................6-27
switching off the coordination signal ..............................................................................................6-29
Coupling
capacitive coupling ............................................................................................................................3-6
direct coupling ...................................................................................................................................3-6
inductive coupling .............................................................................................................................3-6
mechanisms .......................................................................................................................................3-5
radiated interference ..........................................................................................................................3-6
Current limiting
two-wire transducers .......................................................................................................................9-48
Current sensors
connection........................................................................................................................................9-19
Current/voltage measurement .....................................................................................................................9-82
Cyclic program processing ..............................................................................................................6-15 - 6-16
Cyclic sampling................................................................................................................................. 9-10, 9-57
D
Data format
setting..................................................................................................................................... 9-50, 9-85
Design
COR 923A .......................................................................................................................................6-17
COR 923C .......................................................................................................................................6-21
CPU 922 ..........................................................................................................................................5-43
CPU 928 ..........................................................................................................................................5-33
CPU 928B........................................................................................................................................5-21
CPU 948 ............................................................................................................................................5-7
Differential measurement.................................................................................................................. 9-82, 9-93
Double addressing............................................................................................................................... 6-8, 6-24
12
Index
System Manual
C79000-S8576-C199-03
12 - 5