SERIAL IO

 

0. Review the document “Logix5000 Controllers ASCII Strings“ (1756-pm013_-en-p).

 

1. Set up the serial port on the PLC for 9600,N,1. Write a program that will write a string ‘Hi ‘, once every second.

 

2. Connect a PC serial port to the PLC. Run Hyperterm (or equiv.) and make sure the communication settings match. Note: problems may occur if RSLinx is still trying to use the serial port.

 

 

 

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