Preventing excessive heat – Rockwell Automation 1747-L5xx SLC 500 Modular Hardware Style User Manual User Manual
Page 60
Publication 1747-UM011G-EN-P - June 2008
60
System Installation Recommendations
Preventing Excessive Heat
For most applications, normal convection cooling will keep the SLC 500
controller components within the specified operating range of 0 °C...60 °C
(32 °F...140 °F). Proper spacing of components within the enclosure is usually
sufficient for heat dissipation.
In some applications, a substantial amount of heat is produced by other
equipment inside or outside the enclosure. In this case, place blower fans
inside the enclosure to assist in air circulation and to reduce hot spots near the
SLC 500 controller.
Additional cooling provisions might be necessary when high ambient
temperatures are encountered.
IMPORTANT
Do not bring in unfiltered outside air. It may introduce harmful
contaminants of dirt that could cause improper operation or
damage to components. In extreme cases, you may need to use
air conditioning to protect against heat build-up within the
enclosure.
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