Allen-Bradley MicroLogix 1000 User Manual page 120

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MicroLogix 1000 Programmable Controllers User Manual
Preface
Rung 2:3
Starts the conveyor in motion when the start button is pressed.
However, another condition must also be met before we start the
conveyor:
This rung also stops the conveyor when the stop button is pressed.
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|–+––––] [––––––––][––––––+–––]/[––––––––––––––––––––––––––––( )–––––|
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| +––––] [––––––––––––––––+
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Rung 2:4
Applies the above start logic to the conveyor and drill motor.
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| Latch
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|––––] [–––––––––––––––––––––––––––––––––––+––––] [––––––––( )–––––+–|
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6–22
the drill must be in its fully retracted position (home).
START |Drill
Button |Home LS
I:0 I:0
6 5
RUN
B3
0
RUN
B3
0
Rungs 2:0 through 2:2 will be added in chapter 12.
STOP
Button
I:0
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Drill
Home LS
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+–––––––––––––––( )–––––+ |
Machine
RUN
Latch
B3
0
|Conveyor
|Enable
I:0 O:0
5 5 | |
Drill | |
Motor ON | |
O:0 | |
1
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