View source for Renco RM21/RCM21 Series Encoders

== Overview ==

Optical encoders made by Renco, a company that ended up being acquired by Heidenhain. There are incremental (with index) ones, as well as ones featuring UVW "hall sensor" channels for 3-phase commutation.

== Replacement Parts ==

== Online Resources ==

[https://web.archive.org/web/20061016065032/http://www.renco.com/106022.htm RENCO RM21 Modular Encoder P/N 83403-001 REV A] (Wayback Machine)

[https://download.datasheets.com/pdfs/2006/12/29/c/cs/rnc/ds/rm21%20modular%20encoder%20.pdf RENCO RM21 Modular Encoder P/N 83403-001 REV A] (PDF saved from above webpage)

[https://web.archive.org/web/20061016065118/http://www.renco.com/106029.htm RENCO RCM21 Commutation Encoder P/N 83409-001 REV A] (Wayback Machine)

[https://07f344a58728d44ae3b8-5318c1cebe9381a36fe5ed41911f264b.ssl.cf5.rackcdn.com/Eric/A/AD/RCM21%201999.pdf RENCO RCM21 Modular 2.1 Inch Commutation Encoder 77643-001 REV E]