Absolute Electro optical Encoders Model C3A 27 Minature Single turn Parallel or Synchronous serial Interface SSI Low cost Absolute Electro optical Encoders Models EA 58 ,65 & 66 Single turn Parallel or Serial Interfaces Absolute Electro optical Encoders Models EAM 58 ,65 & 66 Multi turn Parallel or Serial Interfaces   Absolute Electro optical Encoders Modes KRE-58-S & 58-K Multiturn Serial Interfaces Serial/Parallel converter board for encoders with SSI interface Absolute Electo magnetic Encoders RxM22 modules are low cost and rugged an come with various interfaces. Modes RxM22 Multiturn Serial Interfaces