EM1 Transmissive Optical Encoder0 pages

US= DIGITAL EM1 Trans missive Optical Encoder Module Page 1 of 8 RoHS COMPLIANT Q Description The EM1 is a transmissive optical encoder module designed to be an improved replacement for the Avago HEDS-9000 series encoder module. This module is designed to detect rotary or linear position when used togetherwith a code wheel or linear strip. The EM1 consists of a lensed LED source and a monolithic detector IC enclosed in a small polymer package. The EM1 uses phased array detector technology to provide superior performance and greater tolerances over traditional aperture masktype encoders. The EM1 provides digital A & B quadrature outputs with an optional third output index channel. Each EM1 module is resolution specific and is matched to the resolution of a code wheel or linear strip. All standard resolutions offered by the HEDS-9000 series encoder module, as well as additional resolutions, are now supported by the EM1 module. The EM1 operates with a single 5V supply and provides single ended outputs which are capable of both sinking and sourcing 8mA. An internal 0.1 uF decoupling capacitor is designed into the EM1 to provide enhanced noise immunity over the HEDS-9000 series encoder modules. For open collector and higher voltage applications, add the PC3 cable driver, or for differential cable driver outputs, add the PC4 cable driver. Encoder disks, linear strips, quadrature decoder chips, counter chips, computer interface boards, mating connectors and cables are also available. Features Two channel quadrature with optional index Improved replacement for HEDS-9000 Series Single 5 VDC supply Resolutions from 32 to 2500 CPR Internal decoupling capacitor Sink/source 8mA outputs I |χP= 1400NE 136th Avenue info@usdigital.com Local:360.260.2468 DIGITAL Vancouver, Washington 98684, USA www.usdigital.com Toll-free: 800.736.0194 Rev. 120131113846