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H5 Ball Bearing Optical Shaft Encoder

Please see the EM1 Component Change Notice.
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Overview

  • Heavy duty ball bearings track up to 10,000 RPM
  • 2-channel quadrature, TTL squarewave outputs
  • Optional index (3rd channel)
  • Differential outputs available
  • Positive finger-latching connector
  • 32 to 1250 cycles per revolution (CPR)
  • 128 to 5000 pulses per revolution (PPR)
  • -40 to +100C operating temperature

The H5 series ball bearing optical shaft encoder has a molded polycarbonate housing and utilizes either a 5-pin or 10-pin finger-latching connector. This non-contacting rotary to digital converter is...

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Product Specifications

ParameterValueUnits
Operating Temperature -40 to 100 C
Vibration (5Hz to 2kHz) 20 G
Electrostatic Discharge, Human Body Model ± 4 kV
ParameterValue
Max. Acceleration 100000 rad/sec²
Max. Shaft Speed 10000 rpm
Max. Shaft Torque 0.05 in-oz
Max. Shaft Loading 2 lbs.
Bearing Life life in millions of revs. = (90/P)³
where P = radial load in pounds.
Weight
  Single-ended
  Differential
1.79 oz.
1.89 oz.
Max. Shaft Total Indicated Runout 0.006 in.
Moment of Inertia 0.001 oz-in-s²
Technical Bulletin TB1001 - Shaft and Bore Tolerances Download

B leads A for clockwise shaft rotation, and A leads B for counterclockwise rotation viewed from the shaft side of the encoder (see the EM1  page).

  • Specifications apply over entire operating temperature range.
  • Typical values are specified at Vcc = 5.0Vdc and 25°C.
  • For complete details, see the EM1 product page.
ParameterMin.Typ.Max.UnitsConditions
Supply Voltage 4.5  5.0 5.5 V  
Supply Current   27 33 mA CPR < 500, no load 
  50 62 mA CPR ≥ 500, no load
Low-level Output     0.5 V IOL = 8mA max.
High-level Output 2.0     V IOH = -8mA max.
4.2 4.8   V no load
Output Current Per Channel -8   8 mA
Output Rise Time   110   nS  
Output Fall Time   35   nS  
  • Specifications apply over entire operating temperature range.
  • Typical values are specified at Vcc = 5.0Vdc and 25°C.
  • For complete details, see the EM1 product pages.
ParameterMin.Typ.Max.UnitsConditions
Supply Voltage 4.5 5.0 5.5 V
Supply Current   29 36 mA CPR < 500, no load 
  57 65 mA CPR ≥ 500, no load
Low-level Output   0.2 0.4 V IOL = 20mA max.
High-level Output 2.4 3.4   V IOH = -20mA max.
Differential Output Rise/Fall Time     15  nS  
5-pin Single-ended 10-pin Differential Standard
Pin Description Pin Description
1 Ground 1 Ground
2 Index 2 Ground
3 A channel 3 Index-
4 +5VDC power 4 Index+
5 B channel 5 A- channel
    6 A+ channel
    7 +5VDC power
    8 +5VDC power
    9 B- channel
    10 B+ channel
Title Date Description Download
E5 Insert Overmold - PCN 1008 8/23/2011 In an effort to enhance the robustness of our E5 encoder; the four threaded inserts pressed into the base are being replaced with similar threaded nuts that will be insert-molded into the encoder base. This change in process will retain the insert with much greater strength. Download
E5 Laser Marking - PCN 1009 8/23/2011 The primary purpose for this change is to create a more durable and longer lasting solution compared to the previous stick on label solution. The E5 encoder covers will now have the US Digital logo, part number, lot code, and pin-outs laser marked onto the top surface. Download
E5 Mold Update - PCN 1007 8/23/2011 The plastic E5 base and covers have been redesigned for improved moldability and aesthetics. Design changes are primarily alteration of surface drafts, additional or increased corner radii and additional coring out of thick regions. This update was carefully done to preserve the size and shape of the encoder. The new parts are dimensionally equivalent and will fit within the envelope of the previous parts. Only the E-option covers and the G-option bases have features with dimensional changes. Download
EM1 LED Die - PCN 1016 2/7/2013 As part of US Digital’s continual assurance of supply strategy, we have qualified additional sources for our LED die used in our EM1 encoder module, which in turn impacts all of the following products:

EM1, E2, E3, E5, E6, H1, H15, H3, H5, H6, HB5M, HB6M, HD25, PE, S1, S2, S5, S6, T5 and T6

The device specification will remain the same, i.e. there will be no change to form, fit or function of the product(s) as specified by US Digital. The appropriate quality and reliability testing has been performed on representative products to ensure normal parametric distribution, consistent with US Digital's quality and reliability standards.		 Download

Product Description

Restriction of Hazardous Substances

The H5 series ball bearing optical shaft encoder has a molded polycarbonate housing and utilizes either a 5-pin or 10-pin finger-latching connector. This non-contacting rotary to digital converter is designed to provide digital feedback information.

The H5 is fully assembled with a brass shaft, two 1/4" ID by 1/2" OD heavy duty ball bearings and a mounting plate.  The mounting plate comes with 2 mounting holes for screws #4 or smaller.

A secure connection to the H5 series encoder is made through a 5-pin (single-ended versions) or 10-pin (differential versions) finger-latching connector (sold separately). The mating connectors are available from US Digital with several cable options and lengths.

For differential versions: the internal differential line driver (26C31) can source and sink 20mA at TTL levels. The recommended receiver is industry standard 26C32. Maximum noise immunity is achieved when the differential receiver is terminated with a 150 Ω resistor in series with a .0047 μF capacitor placed across each differential pair. The capacitor simply conserves power; otherwise power consumption would increase by approximately 20mA per pair, or 60mA for 3 pairs.

Related
Product Notes
  • Cables and connectors are not included and must be ordered separately.
  • US Digital warrants its products against defects in materials and workmanship for two years. See complete warranty for details.

Purchasing

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1 $92.95
5 $68.85
10 $59.85
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For volume discounts, please use the above part number and contact us at sales@usdigital.com or 800.736.0194.

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