To enable your PC to communicate with the controller, set the COM port parameters to the M90 default settings:BPS 9600, Data bits=7, Parity=N, Stop bits=1, Flow control=None, and then click OK. The Port Settings box opens as shown below. Select the PC COM port that connects the PC to the controller, and then click OK.
If the connection is in order, the controller replies with its ID if the connection is faulty, the controller will not reply.Įnter a name for the new connection and select an icon, and then click OK. Via Hyperterminal, you can check the PLC-PC communication connection by sending a simple text command, Get ID. If the PC port is defective or in use by another application, you may be unable to access a directly connected controller with your PC.
Using Hyperterminal to check PC-PLC direct communications Using Hyperterminal to check PC-PLC direct communications
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