On Nov 13, 2012, at 2:08 PM, Viesturs Lācis wrote: > I somehow had skipped the fact that encoders on servos have > differential signal output, but 7i39 cards expect single-ended signal. > Since that is plasma machine with all the noise from plasma, I do not > think that using only half of the differential signal is a good idea. > > I was thinking that I could try making a 422-to-ttl converter, based > on the scheme in top-left corner of this sheet: > http://www.kmitl.ac.th/~kswichit/Rs422/Rs422.pdf > > I just would like to ask, if other list members have some experience > with this - I like to make sure that I am not going to build some > rubish before I have actually taken soldering gun, so I would > appreciate any input on this.
I am using these: http://www.cnc4pc.com/Store/osc/product_info.php?cPath=64_78&products_id=401 http://www.cnc4pc.com/Store/osc/product_info.php?cPath=64_78&products_id=337 Cheap and they work great. Cheers, Jeshua Lacock Founder/Engineer 3DTOPO Incorporated <http://3DTOPO.com> Phone: 208.462.4171 ------------------------------------------------------------------------------ Monitor your physical, virtual and cloud infrastructure from a single web console. Get in-depth insight into apps, servers, databases, vmware, SAP, cloud infrastructure, etc. Download 30-day Free Trial. Pricing starts from $795 for 25 servers or applications! http://p.sf.net/sfu/zoho_dev2dev_nov _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
