1774-RP3 A-B Central Control Unit
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IN STOCK1774-RP3 A-B Central Control Unit
Separate your programmable controller system from other equipment and plant walls to allow for convection cooling. Convection cooling draws a vertical column of air upward over the processor. This cooling air must not exceed 60° C (140° F) at any point immediately below the processor. If the air temperature exceeds 60° C, install fans that bring in filtered air or recirculate internal air inside the enclosure, or install air-conditioning/heatexchanger units.Minimum spacing requirements for a processorresident chassis: • Mount the I/O chassis horizontally. • Allow 153 mm (6 in) above and below the chassis. • Allow 102 mm (4 in) on the sides of each chassis. • Allow 51 mm (2 in) vertically and horizontally between any chassis and the wiring duct or terminal strips. • Leave any excess space at the top of the enclosure, where the temperature is the highest.Minimum spacing requirements for a remote I/O chassis: • Mount the I/O chassis horizontally. • Allow 153 mm (6 in) above and below all chassis. When you use more than one chassis in the same area, allow 152.4 mm (6 in) between each chassis. • Allow 102 mm (4 in) on the sides of each chassis. When you use more than one chassis in the same area, allow 101.6 mm (4 in) between each chassis. • Allow 51 mm (2 in) vertically and horizontally between any chassis and the wiring duct or terminal strips. • Leave any excess space at the top of the enclosure, where the temperature is the highest.
The structure and details of the product：
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