4. Where to save the data read from Slave.
Example: The following we'll take a example that one xLogic (Master) communicate with other xLogic
(Slave) via RS485.
Example 1: Get Q1 status of SLAVE1(xLogic) and then save the bit status to F1.
If count was set 4, the Q1,Q2,Q3,Q4 of xLogic (station No.1) will be read and save to F1 to F4