Micro850 24-Point Programmable Controllers 11
Publication 2080-IN007A-EN-P - September 2012
suppression to protect and extend the operating life of the controllers output contacts.
Switching inductive loads without surge suppression can significantly reduce the life expectancy
of relay contacts. By adding a suppression device directly across the coil of an inductive
device, you prolong the life of the output or relay contacts. You also reduce the effects of
voltage transients and electrical noise from radiating into adjacent systems.
Refer to the Micro830 and Micro850 Programmable Controllers User Manual, publication
2080-UM002
, for suitable surge suppression methods and recommended surge suppressors.
Expansion I/O and Plug-In Module Installation
To attach expansion I/O and plug-in modules to your Micro850 controller, see the
installation manual and/or wiring diagrams specific to your plug-ins and expansion I/O.
Installation Instructions are available in the Literature Library,
http://rockwellautomation.com/literature
.
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