Learning RSLogix 5000 Programming

ControlLogix series 7 controllers

In 2010, Rockwell Automation launched the series 7 (also referred to as L7 and ControlLogix 5570) controllers, which featured the following enhancements over the series 6 (L6) controllers:

• The performance capability doubled due to a more powerful dual core CPU.
• The adoption of modern SDRAM memory.
• The replacement of the 9-pin serial port with a USB 2.0 port (programs transfer 200 times faster over USB 2.0 than serial).
• The replacement of the CompactFlash memory card with a Secure Digital (SD) memory card.
• The replacement of the lithium battery with the capacitor-based Energy Storage Module (ESM). The ESM provides power to the controller during a power loss event to allow it to copy the contents of its memory from volatile ...