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ENS1PB28-L00128 Dataheets PDF



Part Number ENS1PB28-L00128
Manufacturers Bourns
Logo Bourns
Description Rotary Optical Encoder
Datasheet ENS1PB28-L00128 DatasheetENS1PB28-L00128 Datasheet (PDF)

*RoHS COMPLIANT Features ■ Two channel quadrature output ■ Bushing or servo mount ■ Square wave signal ■ Small size ■ Resolution to 256 PPR ■ CMOS and TTL compatible ■ Long life ■ Ball bearing option for high operating speed up to 3000 rpm ■ RoHS compliant* EN - Rotary Optical Encoder Electrical Characteristics Output... 2-bit quadrature code, Channel A leads Channel B by 90 º (electrical) with clockwise rotatio.

  ENS1PB28-L00128   ENS1PB28-L00128


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*RoHS COMPLIANT Features ■ Two channel quadrature output ■ Bushing or servo mount ■ Square wave signal ■ Small size ■ Resolution to 256 PPR ■ CMOS and TTL compatible ■ Long life ■ Ball bearing option for high operating speed up to 3000 rpm ■ RoHS compliant* EN - Rotary Optical Encoder Electrical Characteristics Output................................................................................... 2-bit quadrature code, Channel A leads Channel B by 90 º (electrical) with clockwise rotation Resolution............................................................................................................................................................................... 25 to 256 cycles per revolution Insulation Resistance (500 VDC) .................................................................................................................................................................. 1,000 megohms Electrical Travel .....................................................................................................................................................................................................Continuous Supply Voltage.........................................................................................................................................................................................5.0 VDC ±0.25 VDC Supply Current.............................................................................................................................................................................................. 26 mA maximum Output Voltage Low Output .................................................................................................................................................................................................0.8 V maximum High Output.....................................................................................................................................................................................................4 V minimum Output Current Low Output ................................................................................................................................................................................................ 25 mA minimum Rise/Fall Time..................................................................................................................................................................................................200 ns (typical) Shaft RPM (Ball Bearing) ....................................................................................................................................................................... 3,000 rpm maximum Power Consumption .................................................................................................................................................................................. 136 mW maximum Pulse Width (Electrical Degrees, Each Channel) ............................................................................................................................................180 º ±45 º typ. Pulse Width (Index Channel)................................................................................................................................................................................. 360 º ±90 º Phase (Electrical Degrees, Channel A to Channel B)........................................................................................................................................90 º ±45 º typ. Environmental Characteristics Operating Temperature Range .......................................................................................................................................-40 ºC to +75 ºC (-40 °F to +167 °F) Storage Temperature Range ..........................................................................................................................................-40 °C to +85 °C (-40 °F to +185 °F) Humidity................................................................................................................................................................. MIL-STD-202, Method 103B, Condition B Vibration ............................................................................................................................................................................................................................ 5 G Shock............................................................................................................................................................................................................................... 50 G Rotational Life A & C Bushings (300 rpm maximum)**............................................................................................................................................10,000,000 revolutions W, S & T Bushings (3,000 rpm maximum)**.............................................................................................


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