hedr-5xxx high resolution series three channel quick assembly encoders data sheet features ? three channel encoder a,b and i ? available with ribbon cabling ? single 5 v supply ? resolution of 1200 to 3600 cpr ? available in ttl compatible and line driver options ? quick assembly ? ip40 rating ? no signal adjustment required ? compact size: 35 mm (l) 30 mm (w) 20 mm (h) ? -40 c to 100 c or -20 c to 85 c operating temperature option applications high volume applications such as industrial printers, plotters, tape drives, positioning tables ,and automatic handlers note: avago technologies encoders are not recommended for use in safety critical applications, e.g., abs braking systems, power steering, life support systems and critical care medical equipment. avagos products and software are not specifcally designed, manufactured or authorized for sale as parts, components or assemblies for the planning, construction, maintenance or direct operation of a nuclear facility or for use in medical devices or applications. customers are solely responsible, and waive all rights to make claims against avago or its suppliers, for all losses, damage, expense or liability in connection with such use. please contact your local sales representative if clarifcation is needed. description the avago hedr-5xxx series encoders are higher resolution replacements for our existing low cost heds-5xxx series three channel optical encoders. these upgraded encoders now come with resolution of 1200 cycles per revolution (cpr) to 3600 cpr and are designed for easy assembly. the base-plate and outer diameter of these encoders are also compatible with the legacy heds-5xxx series, making them ideal replacements for users who wish to upgrade due to higher cpr requirements. each encoder contains a codewheel, led source, detector and integrated circuitry. as the codewheel rotates, the detector ic generates two square waves in quadrature and an index pulse (high state) of 90e (gated to signal a and b low), once per each full rotation of the codewheel. the hedr-5xxx encoders accommodate shaft diameters of 2 mm to 8 mm and can operate in high temperature environments of up to 100 c.
2 package dimensions hedr-5xxx extension series are available with ribbon cabling: ribbon cable standard 30mm 35mm 20mm through hole with external ear option
3 mounting considerations front view recommended motors mounting dimension max height = 2.1 mm mounting screw ear option pcd easy mounting and installation motor base * - not applicable for 2048 cpr option. for 2048 cpr option, the recommend range is 11.5 to 13.5 mm. it is recommended that adhesives (hernon - tufbond? 317) be applied to the screw-base plate interface to prevent screw loosening due to cte efect between screw and plastic at operating temperature.. base plate shaft centering jig, to be removed before snapping in the encoder top assembly base plate compatible with the legacy heds 5xxx series motor shaft hex key to secure codewheel to motor shaft screws for securing base plate to motor encoder top assembly max 14.5 mm * (1.5mm hex wrench) m3 set screw
4 absolute maximum rating parameter value units notes storage temperature, t s -40 to 100 -20 to 85 c high temperature option low temperature option operating temperature, t a -40 to 100 -20 to 85 c high temperature option low temperature option supply voltage, v cc -0.5 to 7 v output current per channel, i out voltage line driver 5 20 ma ma vibration 10g, 55 to 1000 hz shaft axial play 0.175 mm shaft tir (max.) 0.05 mm output waveform direction of rotation: when the encoder rotates in the counter-clockwise direction (as viewed from the top of the encoder), channel a will lead channel b. if it rotates in the clockwise direction, channel b will lead channel a. index pulse width (p o ): the number of electrical degrees that an index output is high during one full shaft rotation. this value is nominally 90e (1/4 cycle) gated to signals a and b, both at low state. encoder motor shaft c 360 e deg a s1 s2 s3 s4 b po i gated index of 90e codewheel rotation movement (anti-clockwise) p amplitude recommended operating conditions parameter symbol min. typ. max. units notes temperature t a -40 -20 100 85 c high temperature option low temperature option supply voltage v cc 4.5 5.0 5.5 v ripple < 100 mv p-p current consumption 38 ma no load count frequency [1] f 320 [2] khz velocity (rpm) x n/60 notes: 1. applicable for line driver output. 2. valid for 2400 cpr and above.
5 encoding characteristics encoding characteristics over recommended operating range and recommended mounting tolerances, unless otherwise specifed. part no. description symbol typ. max. notes hedr-5xxx (three channel) pulse width logic state width index pulse width p s p o 90 p p/4 s s/2 voltage output rise time fall time t r t f 1 s line driver rise time fall time t r t f 200 ns mechanical characteristics parameter symbol dimension tolerance units blind hollow shaft diameter refer to ordering information g6 mm shaft length 11.5 to 14.5 * mm height 20 0.5 mm width 30 0.5 mm length 35 0.5 mm hub set screw m3 * - not applicable for 2048 cpr option. for 2048 cpr option, the recommend range is 11.5 to 13.5 mm. ribbon cable line driver option pin no. pin assignment 1 nc 2 vcc 3 gnd 4 nc 5 a ? 6 a + 7 b ? 8 b + 9 i ? 10 i + single-ended option pin no. pin assignment 1 nc 2 vcc 3 gnd 4 nc 5 nc 6 a + 7 nc 8 b + 9 nc 10 i + 500 13 mm red line cable (pin 1) 20 15 17.5 30 16.3 12.8 6 2.54 pitch = 2.54
for product information and a complete list of distributors, please go to our web site: www.avagotech.com avago, avago technologies, and the a logo are trademarks of avago technologies in the united states and other countries. data subject to change. copyright ? 2005-2014 avago technologies. all rights reserved. av02-3823en - october 30, 2014 ordering information available options for hedr-5xxx-xxxx hedr-5 x x x - xx x x | | | | | | mounting type output type output wire cabling type cpr temperature rating/ index gating shaft diameter 5 C standard e C voltage (ttl) 2 C ribbon b2 C 1200 0 C high /90 0 C 2 mm 6 C external ears l C line driver b4 C 1250 1 C high / 180? 1 C 3 mm 7 C standard through hole b8 C 1500 l C std / 90? 3 C 5/32 bb C 1800 m C std / 180? 4 C 3/16 8 C external ears through hole bh C 2048 note: high o -40 to 100 q c std o -20 to 85 q c 5 C 1/4 bl C 2400 6 C 4 mm bp C 2500 7 C 5 mm bs C 2880 8 C 6 mm bv C 3000 9 C 8 mm by C 3600 currently available options high temperature standard temperature 1. hedr-55l2-bh07 11. hedr-55l2-bhl7 2. hedr-55l2-bh09 12. hedr-55l2-bhl9 3. hedr-55l2-bl07 13. hedr-55l2-bpl7 4. hedr-55l2-bl09 14. hedr-55l2-bpl9 5. hedr-55l2-bv07 15. hedr-55l2-byl8 6. hedr-55l2-bv09 7. HEDR-55L2-BY07 8. hedr-55l2-by09 9. hedr-55l2-bp07 10. hedr-55l2-bp09 note: for other options, please refer to factory.
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