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

Page 151

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Chapter 8
Using Basic Instructions

8–32

File 6, Rung 1

When the drill has drilled through the book, the body of the drill
actuates the DRILL DEPTH limit switch. When this happens, the DRILL
FORWARD signal is turned off and the DRILL RETRACT signal is turned on.
The drill is also retracted automatically on power up if it is not
actuating the DRILL HOME limit switch.

FUN GRAPHIC PARAMETER
CODE SYMBOL MNEMONIC NAME ADDRESS VALUE FORCES
–––– ––––––– –––––––– –––– ––––––– ––––– ––––––
20 |–] [– LD
Drill Depth LS
I/4 0

20 |–] [– LD 1’st Pass

S1/15 0

23 –]/[– ANI
Drill Home LS
I/5 0

14 ORB

42 –(U)– RST
Drill Forward
O/3 0

41 –(L)– SET
Drill Retract
O/2 0

File 6, Rung 2

When the drill is retracting (after drilling a hole), the body of the
drill actuates the DRILL HOME limit switch. When this happens the DRILL
RETRACT signal is turned off, the DRILL SEQUENCE START bit is turned off
to indicate the drilling process is complete, and the conveyor is
restarted.

FUN GRAPHIC PARAMETER
CODE SYMBOL MNEMONIC NAME ADDRESS VALUE FORCES
–––– ––––––– –––––––– –––– ––––––– ––––– ––––––
20 |–] [– LD
Drill Home LS
I/5 0

22 –] [– AND
Drill Retract
O/2 0

42 –(U)– RST
Drill Retract
O/2 0

42 –(U)– RST
Drill Sequence Start
B/32 0

41 –(L)– SET
Conveyor Start/Stop
O/0 0

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