https://www.digi-electronics.uk/uk/products/detail/sick/DFS60ABGPM65536/2580386.html
DFS60A-BGPM65536 Incremental Encoder 65536 PPR
DiGi Electronics DFS60A-BGPM65536: Incremental Rotary Encoder, 65536 PPR, Quadrature Output, 4.5V-32V, Chassis Mount.
incremental encoderppr