VB高手:我想用VB写个小程序通讯电电子负载仪进写读写,电子负载仪说明书说的部份命令如下:(谢谢!)

电子负载仪说明书说的部份命令有:
LOAD {SP}{ON|OFF}{;|NL}
MODE {SP}{CC|CR|CV|CP}{;|NL}
SENSE{SP}{ON|OFF}{;|NL}
DYNAMIC{SP}{ON|OFF}{;|NL}等
请帮忙举个例子如何对仪器进行读写
串口通讯代码
Private Sub Form_Load()
MSComm1.CommPort = 1
MSComm1.InputMode = 1
MSComm1.RThreshold = 1
MSComm1.SThreshold = 1
MSComm1.Settings = "9600,n,8,1"
MSComm1.PortOpen = True
End Sub
THANKS!!!

我写FLUKE45 的通讯如下,供你参考,希望对你有用:
MSComm1.Output = "val?" & vbLf
delay (100)
Static i
i = i + 1
List1.AddItem " *****Test Item******"
List1.AddItem "Item" & CStr(i) + ":" + MSComm1.Input & vbCr
MSComm1.Output = "*idn?" & vbLf
delay (100)
i = i + 1
List1.AddItem "Item" & CStr(i) + ":" + MSComm1.Input
主要是用 MSComm1.input来和一起通信!!追问

"val?" & vbLf
"*idn?" & vbLf
是什么意思?是从哪知道的?
谢谢!

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