Rockwell Automation 1768-PA3_PB3 CompactLogix Power Supplies Installation Instructions - Manual (Page 17)

1768 CompactLogix Power Supplies 17
Publication 1768-IN001B-EN-P - July 2006
Prevent Excessive Heat
Convective cooling keeps the system temperature within the specified operating
range. Make sure that the specified temperature range is maintained. Proper
spacing of components within an enclosure is usually sufficient for heat dissipation.
Do not bring in unfiltered outside air. Place the CompactLogix system in an
enclosure to protect it from a corrosive atmosphere. Harmful contaminants or dirt
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.
Mount the Power Supply to a Panel
Mount the power supply to a panel by using four screws per module. Use M4 or #8
panhead screws though the anchors on the corners of the power supply. Mounting
screws are required on each power supply panel mounting tab.
1. Drill pilot holes in your panel.
2. Insert and tighten M4 or #8 screws through the holes in the anchors.
Tighten screws using 1.16 Nm (10 lb-in) torque.
3. If you panel-mount the entire system, connect the modules and close all DIN
rail latches in the system.
Closing the DIN rail latches locks the modules together.