MATLAB XPC TARGET 4 - DEVICE DRIVERS Especificações descarregar pdf (Página 50)

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101

2 RS232 I/O Support

2-20

8 Click OK. The Block Parameters dialog box closes.

9 Repeat the previous setup for the second RS-232 Setup block and the COM2

port. Use the same Baudrate, Databits, Stopbits, Parity, and Protocol that

you entered in the first RS-232 Setup block.

10 Double-click the Send block. The Block Parameters dialog box opens.

11 From the Port list, choose either COM1 or COM2. For this example, choose

COM1. In the Message struct name box, enter the name for the MATLAB

structure this block uses to send messages to the COM1 port. In the

Sample

Time

box, enter the sample time or a multiple of the sample time you

entered in the RS-232 Receive block.

Your

Block Parameters dialog box should look similar to the figure shown

below.

For information on entering the block parameters, see “RS-232 Send Block

(Asynchronous)” on page 2-30. For the procedure to create the send

structure, see “RS-232 MATLAB Structure Reference” on page 2-31.

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