Micro850 48 Point Programmable Controllers 11
Publication 2080-IN008C-EN-P - August 2017
Panel Mounting Dimensions
Use Surge Suppressors
Because of the potentially high current surges that occur when switching inductive load devices,
such as motor starters and solenoids, we recommend the use of some type of surge 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.
45917
108 (4.25)
108 (4.25)
100
(3.9)
Measurements are in millimeters (inches)
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