746
Index
DIP switch
pin 6 status
, 619
direction
automatic direction selection
, 249
DM Area
, 168
DR00 Output for Background Execution
, 637
E
EC Directives, xxx
electromagnetic fields
, xxvi
EMC Directives
, xxx
Equals Flag
, 180
Equals Flag for Background Execution
, 638
ER/AER Flag for Background Execution
, 638
error codes
, 681
pulse output stop error codes
, 268
Error Flag
, 179
error log
, 680
Error Log Area
, 591, 626, 641, 680
errors
basic I/O errors
, 637
communications error flags, 634
CPU Bus Units
, 629
CPU Rack, 592
error codes
, 681
error log, 626, 680
Expansion I/O Rack, 592
failure point detection
, 382
FAL/FALS flags
, 627
flags
, 179
flash memory
, 626
Input Units
, 592
memory error flags
, 626
Output Units
, 594
PLC Setup errors
, 637
programming error flags
, 637
Special I/O Units
, 637
troubleshooting, 573
Expansion I/O Racks
troubleshooting
, 592
external interrupts
response time, 101
F
failure point detection, 382
FAL Error Flag
, 627
FAL errors
flag
, 663
FAL/FALS Number for System Error Simulation
, 627
FALS Error Flag
, 627
FALS errors
flag
, 627, 630, 660, 662
FALS instruction
, xxv, xxx
FINS commands
list
, 359
First Cycle Flag
, 624, 641, 681
flash memory
data dates, 631
errors, 626
Flash Memory Error
, 626
flowchart
overall CPU operation
, 82
Forced Status Hold Bit
, 619, 668
force-resetting bits
debugging, 521, 566
force-setting bits
debugging
, 521, 566
frequency
frequency measurement
, 226
G
Gate Bit
high-speed counters, 226
Greater Than Flag
, 180
Greater Than or Equals Flag
, 180
H
High-speed Counter Gate Bit, 226
high-speed counter inputs
reset methods
, 213
restrictions, 223
Holding Area
, 163
Host Link
ports, 687
Host Link commands
, 357
Host Link communications
, 356
hot starting
, 148
hot stopping
, 148
hub
, 533