Arduino Uno with Valco Multiposition Valve

hello,

i research student @ arizona state university , lab working on "switching unit" (which part of water-testing device developing), composed of valco multiposition valve , arduino uno micro-controller.

essentially, having trouble finding out right command use send string multiposition valve (for example: string "go11" tell device switch valve 11).

to connect arduino multiposition valve, have bought rs232 shield arduino (since multiposition valve uses serial connection).

sadly, none of experienced in programming. awesome if help!

so far, have tried using:

serial.println("go11")
serial.print("go11")
serial.write("go11")

however, none have worked.

note: able use labview's visa set connection multiposition valve. , using visa's "write", able send string valve , valve switch corresponding position wanted. therefore, there nothing wrong multiposition valve.

what baud rate using? did serial.begin(xxx) command in setup(). can show whole sketch?

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