- Learning RSLogix 5000 Programming
- Austin Scott
- 182字
- 2021-07-16 20:15:12
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 memory to the onboard nonvolatile memory. The ESM eliminates the issue with L6 series controllers that would lose the program after a few weeks without power once the battery was completely drained.
- The ability to store program comments and tag descriptions on the controller (firmware v21 and higher).
- The addition of the onboard four character display.
ControlLogix L73 controller
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