AB 1756-A4 4 Slot ControlLogix Chassis, Series B
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The AB / Rockwell Automation 1756-A4 is a ControlLogix Standard Chassis. ControlLogix modular system requires a 1756 I/O chassis. Backplane provides a high-speed communication between modules and sends power to each module within the chassis. 1756A4 houses 4 slots.
The ControlLogix-XT products include control and communication system components that, when used with FLEX I/O-XT™ products, provide a complete control system solution that you can use in environments where temperatures range from -20...70 °C (-4...158 °F). When used independently, the ControlLogix-XT system can withstand environments where the temperature ranges from -25...70 °C (-13...158 °F). 1. Calculate the Backplane Power Load by adding the power draw (in Watts) for all of the planned modules. For module power draws, refer to the module specification tables in the ControlLogix Selection Guide, publication 1756-SG001. 2. Locate the Backplane Power Load on the graph’s vertical (y) axis and determine the corresponding Real Power (input-power) rating on the horizontal (x) axis. The Real Power value is the amount of power consumed by the power supply.
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