353
Index
A
addressing
index registers
, 252
indirect addresses
, 26–27
memory addresses
, 24
operands
, 25
See also index registers
alarms
user-programmed alarms
, 297
applications
file memory
, 197
precautions
, xiv
ASCII characters
, 29
automatic transfer at startup
, 189, 214
B
backing up data, 293
Basic I/O Units
Basic I/O Unit instructions
, 129
input response time
, 314
battery
compartment
, 2
installation
, 2
BCD data
, 30
block programs
, 22, 59, 62
block programming instructions
, 138
relationship to tasks
, 167
C
C200H Communications Boards, 350
C200HX/HG/HE Communications Board
changes in communications specifications
, 350
C200HX/HG/HE PLCs
comparison
, 327
Carry Flag
, 58
clearing memory, 4
clock, 289
clock instructions
, 134
setting the clock
, 5
communications
messages
, 267
no-protocol
, 268
See also serial communications
serial communications instructions
, 130
comparison
previous products
, 350
complete link method, 271
Condition Flags
, 54
operation in tasks
, 162
constants
operands
, 28
counters
refresh mode
, 276
CPU Unit
basic operation
, 152
capacities
, 41
internal structure
, 6
operation
, 1
C-series Host Link Units
changes in communications specifications
, 349
C-series Units
changes in communications specifications
, 350
CVM1 Units
changes in communications specifications
, 350–351
CV-series PLCs
comparison
, 327
CV-series Units
changes in communications specifications
, 350–351
CX-Programmer
, 20
file memory
, 201
cycle time
minimum cycle time
, 235
monitoring
, 236
setting
, 236
task execution time
, 18
cyclic refreshing, 38, 238
cyclic tasks
, 151, 154
Disabled status (INI)
, 157
READY status
, 157
RUN status
, 157
status
, 157
WAIT status
, 157
D
data areas
addressing
, 24
data files
, 197
data formats, 30
data tracing, 323
date
setting the clock
, 5
dates
program and parameters
, 291
debugging, 296, 318
debugging instructions
, 135
failure diagnosis instructions
, 136
DeviceNet
precaution
, 297
diagnosis, 296
differentiated instructions, 36
directories
, 191
down-differentiated instructions, 35