Hi all,
I'm trying to control a Harvard Apparatus 33 pump with a cRIO 9063. A pdf for the pump's manual is here. Right now I'm having trouble getting the pump to listen to most of the commands.
In my setup, I'm using a 6p6c cord to DB9 connector to connect to the DB9 port on the cRIO. I've checked that the baud rate is 9600 in the code and on the pump. The pump's address is 0.
The VI attached is something I made to test out writing commands. The pump has responded correctly for the <cr> command. The pump stops running, and the remote LED comes on, indicating that the command was received. So I believe my cabling is good. However, if I try any other command, the pump doesn't respond. Part of me thought that I got the syntax for the command wrong, so I tried many different versions:
- RUN<cr>
- 0RUN<cr>
- 0 RUN <cr>
- 0,RUN,<cr>
At this point, I'm at a loss for what it could be. I'm getting in touch with Harvard Apparatus to see if I'm missing anything obvious. But while I'm waiting, do any of you have prior experience or suggestions I could look into? Let me know if I should supply more info.
Thanks!