Serial RS232 Communication VISA write does not

I am trying to send a SPELL of 5003 01 command to my card that I am logged in via Rs232. This command should get my PCB to change play modes.

I posted about this problem before thinking it was a problem with it not sent in HEXADECIMAL:

http://forums.NI.com/T5/LabVIEW/RS232-serial-communications-visa-using-hex-values-seem-to-be/m-p/326...

It wasn't the problem.

I use the CTS line for flow control. I know that the CTS signal is reaching the computer of my PCB as I tested it and I know that the PCB can send data to the computer I get the answer correct 4 bytes in HEXADECIMAL when I use the reading visa to get my player to PCB data.

I get a 1073807339 error when I try to write even when the read function is disabled.

The only thing I can think is that LabView is not to recognize the signal CTS go down and, consequently, time-out.

I use the good 9600 baud rate, 8 bits of data and no parity, 1 stop bit. I am using RTS/CTS flow control, but the RTS line is not connected. I don't think it should be a problem that RTS is used to indicate the Council when to send data to the PC to my knowledge and is not serious.

FYI the written string section of the VI is unused. The string to write, that's where I'm seizes my "5003 01" command.

Thank you

Kyle

I just thought of it. I had messed up the wiring of the PSTN line. She received the RTS line, I think. I thought I had it correct since the Tx line was correct. Thank you for your help on the problem of the HEXAGON.

Tags: NI Software

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