Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual User Manual
Page 13
Using This Manual
Chapter 1
1-3
A word equals 16 bits; a byte equals 8 bits (1/2 of a word).
Words in [ ] denote a key name or symbol. Words in < > denote
information that you must provide - for example, an address value.
All word addresses are displayed in the octal numbering system.
Therefore, references to base 8 are not displayed.
Word values are displayed in:
decimal (0-9) for timers, counters, and mathematics
CTU
010
00
030
PR 555
AC 123
Decimal
hexadecimal values (0-9, A-F) for Get and Put instructions
010
00
030
Hexadecimal
010
00
011
012
G
G
00
FFF
123
Important: Numbers 0-9 are displayed the same in decimal and
hexadecimal.
octal byte values for examine on and output energize instructions
0101
030
Octal
00
B
237
Keystroke directions are divided into two columns:
tells you what key or keys to press
tells you the processor’s action
Conventions