Preface
MicroLogix 1000 Programmable Controller User Manual
13–14
Example 3
Application example 3 involves a MicroLogix 1000 controller and an SLC 5/01
processor communicating on a DH-485 network. Interlocking is provided to verify
data transfer and to shut down both processors if communication fails.
A temperature-sensing device, connected as an input to the MicroLogix 1000
controller, controls the on-off operation of a cooling fan, connected as an output to
the SLC 5/01 processor. The MicroLogix 1000 and SLC 5/01 ladder programs are
explained on the following pages.
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