MCC MIIC-203 Guia do Utilizador descarregar pdf (Página 46)

Click OK to accept the data.

Sending Master Transmit Messages

Click the Master Tx button to write the specified Master Tx Data Bytes to the

selected destination slave device. If Auto Repeat is checked, the message will

automatically repeat upon completion.

The Communications Events window on the main screen should report “Master Tx

Complete.” If this message does not appear, check the slave device address,

connections, and power.

If you get a “Slave Not Acknowledging” message in the Communications Events

window, this could mean you have the wrong address in the I

C Destination

Address, or the device is not answering to its address. Consult your slave device’s

data sheet for details.

5.1.4.1.5 Master Receive Data

Specifying Data to Read

On the lower part of the main screen, set the Bytes to MasterRx edit box to the

number of bytes you want to read. For example: Set this to 1 to read a single byte.

Click on the MasterRx button to read the data from the selected slave device.

Data received from the slave is displayed in the Received Messages text box on the

main screen. The Communications Events window should report “Master Rx

Transfer Complete.” If this message does not appear, check the slave device

address, connections, and power.

If you get a “Slave Not Acknowledging” message in the Communications Events

window, this could mean you have the wrong address in the I

C Destination

Address, or the device is not answering to its address. Consult your slave device’s

data sheet for details.

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MCC MIIC-203 Guia do Utilizador Página 46