TXD Question

[Jay Anthony 118]

[Jay Anthony 118]

Yes, it is possible to use TXD alone rather than along with the RXD isntruction. Just place an initiating condition before the TXD instruction and remove the RXD instruction from the code. If you are working on a custom HMI program in Delphi, you may want to consider making the PC be the host and using the standard Hostlink or SYSWAY protocol which is the default for any Omron serial port. Here is a link to a working sample program with VB source code. You should be able to convert it easily to Delphi. Omron Sysway (Hostlink) Demo Program @ MrPLC.com