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Book Overview & Buying
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Table Of Contents
Learning RSLogix 5000 Programming
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The Rockwell Automation's extreme environment controllers (bulletin 1756 ControlLogix-XT) share the same features and programming interfaces as the standard ControlLogix controllers, but are certified to operate in extreme conditions. The ControlLogix-XT modules are darker gray in color than the ControlLogix modules and are spaced in every other slot to provide an improved ventilation/isolation. In addition, the ControlLogix-XT modules are treated with a conformal coating that improves the product's resistance to corrosive environments. The ControlLogix-XT controllers and modules are rated for temperatures ranging from -20°C to 70°C (-4°F to 158°F) and have the following environmental certifications—cULus, Class 1, Div 2, C-Tick, CE, ATEX Zone 2, SIL 2, IEC 61131-2, ANSI-ISA-S71.04-1985, Class G1, G2, and G3. The L6 and L7 standard controllers and GuardLogix controllers are all available in Extreme Environment (XT) form factors.
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