768
Index
automatic direction selection, 251
DM Area
, 170
DR00 Output for Background Execution
, 661
E
EC Directives, xxx
electromagnetic fields
, xxvii
EMC Directives
, xxx
Equals Flag
, 182
Equals Flag for Background Execution
, 662
ER/AER Flag for Background Execution
, 662
error codes
, 706
pulse output stop error codes, 271
Error Flag
, 181
error log
, 705
Error Log Area
, 617, 650, 665, 705
errors
basic I/O errors
, 661
communications error flags
, 658
CPU Bus Units, 653
CPU Rack, 618
error codes
, 706
error log, 650, 705
Expansion I/O Rack
, 618
failure point detection, 384
FAL/FALS flags, 651
flags
, 181
flash memory, 650
Input Units, 618
memory error flags
, 650
Output Units, 620
PLC Setup errors, 661
programming error flags
, 661
Special I/O Units, 661
troubleshooting, 599
Expansion I/O Racks
troubleshooting, 618
external interrupts
response time
, 103
F
failure point detection, 384
FAL Error Flag
, 651
FAL errors
flag
, 687
FAL/FALS Number for System Error Simulation
, 651
FALS Error Flag
, 651
FALS errors
flag, 651, 654, 684, 686
FALS instruction
, xxv, xxx
FINS commands
list
, 361
First Cycle Flag
, 648, 665, 706
flash memory
data dates
, 655
errors
, 650
Flash Memory Error
, 650
flowchart
overall CPU operation
, 84
Forced Status Hold Bit
, 643, 692
force-resetting bits
debugging
, 592
force-setting bits
debugging, 592
frequency
frequency measurement
, 228
G
Gate Bit
high-speed counters
, 228
Greater Than Flag
, 182
Greater Than or Equals Flag
, 182
H
High-speed Counter Gate Bit, 228
high-speed counter inputs
reset methods, 215
restrictions, 225
Holding Area
, 165
Host Link
ports
, 713
Host Link commands
, 359
Host Link communications
, 358
hot starting
, 150
hot stopping
, 150
I
I/O Hold Bit, xxx
I/O interrupts
response time
, 101