2-119 h features ? miniature size ? smooth turning and detented options ? multiple mounting bracket options ? uses optical reflective technology ? quadrature digital output ? small footprint for versatile mounting ? ttl compatible description the hrpg series is a family of miniature panel mount optical encoders, also known as rotary pulse generators (rpg) and digital potentiometers. the hrpg is designed to be mounted on a front panel and used as a rotary, data-entry device. the hrpg is very flexible for numerous applications due to the many configuration options available. these options include detents or smooth, multiple terminations, versatile mounting capabilities, and different shaft configurations. miniature panel mount optical encoders technical data hrpg series the hrpg uses optical reflective technology providing accuracy and reliability to the encoder. an led emits a beam of light onto the specular codewheel surface. when the light strikes the surface, it projects the image of the code- wheel back on the photodetector, causing the output to change. the entire detector circuit is on one ic, thus the part is less sensitive to temperature and other environ- mental variations. applications typical applications for the rotary pulse generator include front panel instruments, audio/ visual boards, and other devices requiring digital output from a turning knob. 5965-5890e
2-120 absolute maximum ratings parameter symbol min. max. units notes storage temperature t s -40 +85 c operating temperature t a 0 +70 c vibration 20 g 20 hz to 2 khz supply voltage v cc -0.5 7 v output voltage v o -0.5 v cc v output current per channel i o -1 5 ma shaft load C axial 4.0 n 10 6 revolutions shaft load C radial 0.1 nm 10 6 revolutions revolution life 10 6 rev at maximum loads recommended operating conditions parameter symbol min. max. units notes temperature t 0 +70 c noncondensing atmosphere supply voltage v cc 4.5 5.5 v ripple < 100 mv p-p rotation speed C detented 200 rpm C smooth 300 rpm electrical characteristics over recommended operating range parameter symbol min. max. units notes supply current i cc 40 ma high level output voltage v oh 2.4 v i oh = -40 m a max. low level output voltage v ol 0.4 v i ol = 3.2 ma output waveforms
2-121 mechanical configurations termination options option r C pins rear with bracket hrpg-axxx#xxr
2-122 option f C pins front with bracket hrpg-axxx#xxf
2-123 option c C cable connector with strain relief hrpg-axxx#xxc
2-124 shaft configurations shaft dimensions (d-cut shown also)
2-125 shaft options available shaft shaft d-cut d-cut length diameter thickness length sketch option # (l) (d) (c) (b) (not to scale) 11 0.30" 0.251" C C 13 0.30" 0.250" 0.225" 0.230" 14 0.50" 0.251" C C 16 0.50" 0.250" 0.225" 0.400" 17 0.80" 0.251" C C 19 0.80" 0.250" 0.225" 0.700" 51 7.6 mm 6.02 mm C C 53 7.6 mm 6.00 mm 5.33 mm 5.84 mm 54 12.7 mm 6.02 mm C _ 56 12.7 mm 6.00 mm 5.33 mm 10.16 mm 57 20.32 mm 6.02 mm C C 59 20.32 mm 6.00 mm 5.33 mm 17.78 mm
2-126 typical interface ch b ch a ordering information *note: when ordering detented versions, a d-cut shaft is recommended. hrpg - a # shaft feel / resolution s16 C smooth 16cpr d16 C detented 16cpr* s32 C smooth 32cpr d32 C detented 32cpr* s64 C smooth 64cpr sca C smooth 120cpr mechanical configuration 11 C 0.3" long, 0.25" dia. 13 C 0.3" long, 0.25" dia. d-cut 14 C 0.5" long, 0.25" dia. 16 C 0.5" long, 0.25" dia. d-cut 17 C 0.8" long, 0.25" dia. 19 C 0.8" long, 0.25" dia. d-cut 51 C 7.6 mm long, 6 mm dia. 53 C 7.6 mm long, 6 mm dia. d-cut 54 C 12.7 mm long, 6 mm dia. 56 C 12.7 mm long, 6 mm dia. d-cut 57 C 20.3 mm long, 6 mm dia. 59 C 20.3 mm long, 6 mm dia. d-cut termination f C pins front with bracket r C pins rear with bracket c C cable connector with strain relief l - flying leads with strain relief hp hctl-2016/2020 quadrature decoder/ counter host processor hrpg series
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