1769-L32CA CompactLogix ControlNet Processor

1769-L32CA CompactLogix ControlNet Processor

1769-L32CA upper computer communication interface part of the vb language to write, in vb there is a special control microsoft comm control (referred to as mscomm control) used to provide serial communication. In the programming process, as long as you set the properties of the mscomm control, you can realize the serial communication.

The control is usually not included in the common toolbox, you need to click the right mouse button in the right toolbox, select the components option, the components dialog box will appear, in which under the controls tab you will find microsoft comm control6.0, select it, click OK to add this control to the right toolbox. Select it and click OK to add the control to the toolbox on the right.

1769-L32CA Drag this icon to the form with the mouse to set its properties. Among the many properties of the control, the only properties that need to be redefined are the commport (the communication port number for transmitting data), settings (set the baud rate, parity, data bits and stop bits for data transmission, note that this parameter must be the same as the one set in the plc communication program), portopen (set the status of the communication port), inputmode (read receive buffer format) and so on.