Is it possible to adjust a servo's position thru RS232 using a slider (multiple servos simultaneously)?

Hi everyone,
I need to control 4 servos using RS232 and a controller board (COM1 only). One of the first things to do is to position each servo manually with a slider control. Therefore I have 4 slider controls to position each servo. I would like to move from slider1 to slider2, 3 and 4 at any time without causing any communication issues (COM1) by openning and closing this port as many times as required.
One way could be to set focus at each slider to allow me to change the position when mouse is over the slider control, then quit and close the port when mouse is away from this control. Then repeat the same process for the rest of the servos. Is this approach feasible? I am not familiar with events and I will really appreacite any guidelines, ideas or sample code. I am using LV 7.1. Thanks,
Frank
PS. I have attached a simple vi that shows some aspects of this idea.
Attachments:
Positioning a servo with a slider.vi ‏67 KB

Here's what I mean...
However, it only sends one command at a time. You didn't say if your servo controller requires all 4 commands at once. If so, then you can remove the case structures and concatenate all 4 slider values into one string.
Message Edited by LabViewGuruWannabe on 11-15-2007 01:05 PM
Attachments:
SliderEvents-FP.PNG ‏31 KB
SliderEvents.vi ‏36 KB
SliderEvents-BD.PNG ‏63 KB

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