Samples

Data transmission from the controller to the module (send 2 characters)

1. Set "Output length" to 2
2. Fill "Data Out 0" and "Data Out 1" with user data
3. Change the state of "Transmit request"
The module acknowledges receipt by changing the state of the "Transmit accepted" bit.

Data transmission from the module to the controller (receive characters)

  1. The module indicates that there is new data in the process image by changing the state of the "Receive request" bit.
  2. The number of bytes received is written in "Input length"
  3. The controller acknowledges acceptance of the bytes by changing the state of “Receive request”.