52 Rockwell Automation Publication 440C-WD001C-EN-P - June 2015
Chapter 10 Two-hand Control
Connected Components
Workbench Software
Figure 35 - Connected Components Workbench Example
Circuit Status
In both circuits, there are no hands on the buttons. All four output contactors are
off.
Operational Sequence
The two circuits work independently.
You must simultaneously press S1 and S2 (or S3
and S4) to turn on contactors K1
and K2 (or K3 and K4), where simultaneously means within a half second of each
other. You must maintain their hands on both buttons to maintain the contactors
in the ON state. Removing your hands from either button causes the contactors
to turn OFF.
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