K
I am shopping for a linear position sensor with 112" travel and needs to be accurate and repeatable to 1/32" at very slow speeds. I've shopped for drawstring potentiometers: not quite accurate enough. I've also looked at magneto-restrictive (piston or magnet-rail) types and they seem to be overkill as far as precision and price. On the middle end, I'm now looking at magnetic coded strips.
Here's the problem. I know nothing about signal conversion and/or controls except this. I want a 4-20mA signal for the entire range of 112"(not counted like an encoder). I can only get the magnet strips with rs422 output (I gather this is essentially digital/square wave?)
Note: this is the sensor I'm looking at http://www.balluff.com/downloads/856333_1202_EN-US.pdf#page=30
Q: Can I get a converter for rs422 to 4-20mA output? What resolution loss can I expect? Ballpark price? Remember, I'm very new to this so please keep jargon or spec info to a minimum or explain.
THANKS!
Here's the problem. I know nothing about signal conversion and/or controls except this. I want a 4-20mA signal for the entire range of 112"(not counted like an encoder). I can only get the magnet strips with rs422 output (I gather this is essentially digital/square wave?)
Note: this is the sensor I'm looking at http://www.balluff.com/downloads/856333_1202_EN-US.pdf#page=30
Q: Can I get a converter for rs422 to 4-20mA output? What resolution loss can I expect? Ballpark price? Remember, I'm very new to this so please keep jargon or spec info to a minimum or explain.
THANKS!