Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) - Manual (Page 499)

Appendix E
Application Example Programs
E–56
Adjustable Timer Instruction List Program
File 2, Rung 0
Adds 2.5 to Timer delay each time the increment push button is depressed.
Do not exceed 120.0 seconds delay. Note that N7:0=250.
FUN GRAPHIC PARAMETER
CODE SYMBOL MNEMONIC NAME ADDRESS VALUE FORCES
–––– ––––––– –––––––– –––– ––––––– ––––– ––––––
20 |–] [– LD Increment Timer preset
I/8 0
57 –LES– AND–LES SRCA T0.PRE 500
SRCB 11750
29 –OSR– AND–OSR B/0 0
80 ADD SRCA T0.PRE 500
SRCB N0 0000H
DEST T0.PRE 500
File 2, Rung 1
Subtracts 2.5 seconds from Timer delay each time the decrement push button
is depressed. Do not go below 5.0 seconds delay.
FUN GRAPHIC PARAMETER
CODE SYMBOL MNEMONIC NAME ADDRESS VALUE FORCES
–––– ––––––– –––––––– –––– ––––––– ––––– ––––––
20 |–] [– LD Decrement Timer preset
I/9 0
63 –GRT– AND–GRT SRCA T0.PRE 500
SRCB 750
29 –OSR– AND–OSR B/1 0
81 SUB SRCA T0.PRE 500
SRCB N0 0000H
DEST T0.PRE 500
File 2, Rung 2
FUN GRAPHIC PARAMETER
CODE SYMBOL MNEMONIC NAME ADDRESS VALUE FORCES
–––– ––––––– –––––––– –––– ––––––– ––––– ––––––
20 |–] [– LD Input conditions to allow dwell time on the drill.
0 TON TIMR T0
BASE 0.01
PRE 500
ACC 0000H