Re: [Emc-users] OT: analog to step/dir

2017-04-13 Thread Gregg Eshelman
Like this. Could remove the pot and switches to remote mount or connect to something else for control inputs. One switch is on/off, other is direction. Pot is speed control. http://www.ebay.com/itm/311203030663 On Thursday, April 13, 2017, 11:15:13 AM MDT, Jon Elson

Re: [Emc-users] OT: analog to step/dir

2017-04-13 Thread Chris Albertson
On Thu, Apr 13, 2017 at 10:10 AM, Jon Elson wrote: > ...he wants a device that puts out > step/direction in response to analog input. > I assume to take analog velocity command from some > controller and drive a stepper motor. This is a job for the smallest/cheapest

Re: [Emc-users] OT: analog to step/dir

2017-04-13 Thread Jon Elson
On 04/13/2017 05:39 AM, andy pugh wrote: > On 13 April 2017 at 01:53, Eric Keller wrote: >>USDigital used to have something called an >> "EPOT" but they got rid of it for some reason. > https://tinyurl.com/ke75fzx any good? > No, not a digital pot, he wants a device that

Re: [Emc-users] OT: analog to step/dir

2017-04-13 Thread Gene Heskett
On Thursday 13 April 2017 08:47:26 Eric Keller wrote: > On Thu, Apr 13, 2017 at 8:29 AM, andy pugh wrote: > > On 13 April 2017 at 13:07, Eric Keller wrote: > > > I have a data acquisition device that only puts out analog > > > voltages. > > > > It sounds

Re: [Emc-users] OT: analog to step/dir

2017-04-13 Thread Gene Heskett
On Thursday 13 April 2017 08:07:16 Eric Keller wrote: > On Thu, Apr 13, 2017 at 2:43 AM, Dave Caroline > > > wrote: > > You could get an analogue in connected to stepgen.N.position-cmd to > > do this with any scaling needed. What is the use case? > > I have a data

Re: [Emc-users] OT: analog to step/dir

2017-04-13 Thread Eric Keller
On Thu, Apr 13, 2017 at 8:29 AM, andy pugh wrote: > On 13 April 2017 at 13:07, Eric Keller wrote: > > I have a data acquisition device that only puts out analog voltages. > > It sounds like almost any motor would be easier to control in this > application

Re: [Emc-users] OT: analog to step/dir

2017-04-13 Thread andy pugh
On 13 April 2017 at 13:07, Eric Keller wrote: > I have a data acquisition device that only puts out analog voltages. It sounds like almost any motor would be easier to control in this application than a stepper motor. -- atp "A motorcycle is a bicycle with a pandemonium

Re: [Emc-users] OT: analog to step/dir

2017-04-13 Thread Eric Keller
On Thu, Apr 13, 2017 at 2:43 AM, Dave Caroline wrote: > You could get an analogue in connected to stepgen.N.position-cmd to do this > with any scaling needed. What is the use case? > I have a data acquisition device that only puts out analog voltages. I want to

Re: [Emc-users] OT: analog to step/dir

2017-04-13 Thread andy pugh
On 13 April 2017 at 01:53, Eric Keller wrote: > USDigital used to have something called an > "EPOT" but they got rid of it for some reason. https://tinyurl.com/ke75fzx any good? -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial

Re: [Emc-users] OT: analog to step/dir

2017-04-13 Thread Dave Caroline
You could get an analogue in connected to stepgen.N.position-cmd to do this with any scaling needed. What is the use case? Dave Caroline -- Check out the vibrant tech community on one of the world's most engaging tech