====== Connecting Yottacontrol modules ======

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The Yottacontrol's A-1xxx series is an interesting solution for remote i/o having a mix of channela of different types: analog and discrete inputs, outputs, temperature inputs and so on. For some small object, e.g. a greenhouse, only one module could be a total economy solution for sensor reading and load control.

The modules suppost Modbus RTU/ASCII protocols. 

In the configuration utility there is a memory map for the I/O channels. 
Modules have 2 modes of operation - 'config' and 'normal', chosen with the Init/Normal switch:

  * 'config' mode - works at fixed speed and net ID = 0 (this mode is marked with a '*' sign)
  * 'normal' mode - module responds to polls on set speed and net ID. 

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