Non-Isolated Master Controller
The job of the Master is to allow the PC to send and receive data to any of the slave boards. Every distributed control system must have one Master Controller. The Master has an on board Microcontroller which is dedicated to performing two main functions..
1. Handling the USB interface to the PC
2. Handling the RS485 serial communications to the slave boards
There are two different types of Master Controller available. The “Non-isolated Master” is the simplest form offering a direct connection between the PC (Via USB lead) the Master and the Slave boards.
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