356
Index
outputs
turning OFF
, 297, 322
P
Parameter Area, 7
files
, 198
Parameter Date
, 291
peripheral servicing
priority servicing
, 306
Peripheral Servicing Priority Mode, 306
PLC Setup
, 7
PLCs
comparison
, 327
Polled Units
settings
, 274
Polling Unit
setting
, 274
Polling Unit link method
, 271
power flow
description
, 21
power interrupts
disabling
, 288
power OFF detection delay, 288
power OFF interrupts
tasks
, 154, 168, 172–174
precautions
, xi
applications
, xiv
general
, xii
I/O refreshing
, 9
interrupt tasks
, 177
operating environment
, xiv
programming
, 54
safety
, xii
previous products
comparison
, 350
program capacity
, 41
program errors, 67
program files, 198
PROGRAM mode
description
, 8–9
program structure, 42
program transfer, 318
programming
, 19
basic concepts
, 41
block programs
, 22, 59
restrictions
, 62
checking programs
, 63
designing tasks
, 166
errors
, 63
examples
, 49
instruction locations
, 23
mnemonics
, 42
power flow
, 21
precautions
, 54
program capacity
, 41
program protection
, 290
program structure
, 12, 15, 42
programs and tasks
, 12, 20
protecting the program
, 290
remote programming
, 292
restrictions
, 44
See also block programs
step programming
, 59
restrictions
, 61
tasks and programs
, 151
transferring the program
, 318
Programming Consoles
file memory
, 201
Programming Devices
file memory
, 199
task operations
, 180
programs
See also programming
R
range instructions, 258
read/write-protection
, 291
record-table instructions, 258
refresh mode
, 276
timers and counters
, 276
refreshing
cyclic refreshing
, 38, 238
I/O refreshing
, 38, 238
immediate refreshing
, 34, 38, 238
IORF(097)
, 40, 178, 239
refreshing data, 271
RS-232C ports
changes from previous products
, 349
RS-422A/485 ports
changes from previous products
, 350
RUN mode
description
, 9
RUN output
, 288
S
safety precautions, xii
scheduled interrupts
tasks
, 154, 168, 171–172
usage as timer
, 284
serial communications
functions
, 261
Serial PLC Links
, 270–271
allocated words
, 273
PLC Setup
, 274
related flags
, 275
settings
See also switch settings
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