Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual page 168

efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
168 Timer and Counter Instructions
Timer Instructions Valid Addressing Modes and File Types
For definitions of the terms used in this table see Using the Instruction Descriptions on page 82.
Parameter
Timer
Time Base
Preset
Accumulator
(1) Valid for Timer Files only.
Publication 1763-RM001C-EN-P - October 2009
Timer Base Settings
Time Base
0.001 seconds
0.01 seconds
1.00 seconds
Each timer address is made of a 3-word element. Word 0 is the control
and status word, word 1 stores the preset value, and word 2 stores the
accumulated value.
Timer File
Word Bit
15 14
Word 0 EN TT
Word 1 Preset Value
Word 2 Accumulated Value
EN = Timer Enable Bit
TT = Timer Timing Bit
DN = Timer Done Bit
ATTENTION
Addressing Modes and File Types can be used as shown in the following
table:
(1)
Data Files
•
Timing Range
0 to 32.767 seconds
0 to 327.67 seconds
0 to 32,767 seconds
13 12 11 10 9 8
DN Internal Use
Do not copy timer elements while the timer enable bit
(EN) is set. Unpredictable machine operation may occur.
Function Files
7 6 5 4 3 2 1
Address
Address Level
Mode
•
•
• •
• •
0
•
•