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How does a Quantum controller exchange data from a ASCII device.

A Quantum controller use 140 ESI06210 module to exchange data from a ASCII devices. The Quantum ASCII interface module is a
general purpose ASCII interface module providing the ability to communicate and exchange data with third party devices.

The exchange between ASCII device to ESI module and then to Quantum controller involves the following steps:

Transmit direction:
Transfer of the data from the PLC registers to the ESI register area through the 12 output registers assigned to the ESI module in the I/O configuration.
Interpreting the data in the ESI registers based on the ASCII messages and transfer to the port transmit buffer to the ASCII device.

Receive direction:
Interpreting the data in the port receive buffer based on the ASCII messages from the ASCII device and transfer to the ESI register area.
Transfer of the data from the ESI register area to the PLC registers through the 12 input registers assigned to the ESI module in the I/O configuration.
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