i want to use a flatbed scanner as a x axis

[aginor]

hi,

i want to use the scanner mechanism as a x axis. if i conect 2 scanners i have a cheep xy table for experements!!!

i think that scanners have an internal PID controler and the only data that takes from the PC is just the possision and the speed.

i dont care about the image.

this is not like the other projects that soneone wants to take the image in the LabVIEW.

Please, help!

[crelf]

I'm guessing that your answer might be in the TWAIN spec. I don't know how to do it, but I'd love to hear what you come up with

[ShaunR]

Cool project. Be interesting to hear about what you come up with.

I don't know much but them, but the things I do now about scanners is that they have on-board controllers. But, the motor is usually a stepper motor where each step is defined by the Y-axis resolution. A 300x300 dpi scanner means that the motor is stepped 1/300th of an inch for example (assuming a letter sized page). I suppose the worse case might be that you just take out the drive and axis and control it directly although I don't know what the interface is but it wouldn't take you long to figure it out.

[aginor]

Yes ShaunR, thats the point!!!

we must not change anything. the system will think that this is a scaner. we dont wont to write any drivers or special programing. just one VI with input 2 parametes: posision and speed!

a total free XY table.(if you use 2 old and useless scanners)