In addition to the I/O provided by the CPU option slot modules, CLICK PLUS PLCs can also support up to 8 additional stackable I/O modules with no additional hardware needed. Multiple I/O configurations including analog, discrete, temperature, and relay modules are available.
For applications requiring higher I/O capacity than what the CLICK PLUS CPU option slot modules provide, additional I/O can be added to the system using stackable I/O modules. The CLICK PLUS CPU and stackable I/O modules easily connect via expansion ports on the side of each module.
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