No-Quit Control

Aug. 1, 2003
For critical control applications requiring high reliability, the CS1D duplex programmable controller features redundant circuitry to guard against shutdowns.

A problem in the primary central processing unit causes the CS1D to automatically switch control to the second CPU within one program scan, enabling continuous operation. The down CPU can be changed while the operation continues, and “hot-swappable” input/output and specialty modules can also be changed without shutdown. The CS1D is compatible with I/O units of the entire CS1 Series, which can also be hot-swapped.

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