1129
Index
A
addressing
counter numbers
, 206
indirect addresses, 8, 9
memory addresses, 7
operands
, 8
See also index registers
timer numbers, 206
applications
precautions, xxvii
ASCII
converting ASCII to hexadecimal
, 411
converting from floating-point data, 516
converting hexadecimal to ASCII
, 408
converting to floating-point data, 521
text string processing, 1008
ASCII characters
, 12
B
backup
precautions, xxvi
Basic I/O Units
Basic I/O Unit instructions
, 769, 800
battery
precautions, xxix
Battery Error Flag
, xxvi
BCD data
, 13
bits
setting and resetting
, 127
block programs
, 5, 38, 40
block programming instructions, 975, 1007
branching
, 984, 991, 995, 998, 1001, 1004
description
, 975, 979
instruction execution times, 1085
pausing and restarting
, 982
relationship to tasks, 67
C
Carry Flag, 37
checksum
calculating, 597
checksum instructions
, 567
clock
adding to clock time
, 918
clock instructions, 918, 974
subtracting from clock time
, 921
clock instructions
execution times
, 1084
communications
description of serial communications
, 805
instruction execution times
, 1083
network instruction execution times, 1083
receiving from RS-232C port, 820
serial communications instructions
, 805, 843
transmitting from RS-232C port, 815
comparing tables
, 719
comparison
, 719
comparison instructions
execution times
, 1070, 1071
computer system requirements
, 47
Condition Flags
, 33
loading status
, 966
operation in tasks, 61
saving status, 964
constants
operands, 11
control bits
Sampling Start Bit
, 934
Trace Start Bit, 934
converting
See also data, converting
converting memory addresses
, 967, 971
countermeasures
noise
, xxxi
counters
, 168, 208
example applications
, 203
execution times
, 1069
resetting with CNR(545), 200
reversible counter
, 196
CPU Bus Units
refreshing
, 800
CPU Unit
basic operation
, 53
capacities, 22
CV-series PLCs
converting memory addresses, 967, 971
CX-Programmer
task operations
, 75
cycle time
extending the maximum cycle time
, 962
cyclic refreshing
, 20
cyclic tasks
, 54
Disabled status (INI)
, 56
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