DC mo­tor with en­coder now has greater res­o­lu­tion

DEMM Engineering & Manufacturing - - NEWS -

The cost ef­fec­tive­ness, high sig­nal qual­ity and ver­sa­til­ity of maxon’s DC mo­tor with kit en­coder com­bi­na­tion has seen it be­come an in­dus­try stan­dard, says the com­pany. Known for many years as the HEDL 5540 - 500 count per turn, the range has just ex­panded with the new AEDL 5810 - 5000 count per turn en­coders.

A large range of DC mo­tors are al­ready avail­able with the AVAGO en­coders, both brushed DC mo­tors and brush­less de­signed DC mo­tors. This is known as the ‘maxon mod­u­lar sys­tem’ That al­lows an en­gi­neer or prod­uct de­signer to build up mo­tor, gear­head and en­coder com­bi­na­tions specif­i­cally to suit the ap­pli­ca­tion re­quire­ments. The mod­u­lar sys­tem now ex­pands dra­mat­i­cally with nine new en­coder res­o­lu­tions rang­ing from 1000 counts per turn through to 5000 counts per turn. The new en­coder is still an op­ti­cal de­sign and can be fit­ted with any mo­tor that was pre­vi­ously avail­able with the 500 count per turn unit and it uses the same DIN 41651 con­nec­tions. With a 5V sup­ply the out­put sig­nal meets EIA Stan­dard RS 422 us­ing an AM26C31QD driver and has a typ­i­cal sig­nal rise and fall of 10ns. The high res­o­lu­tion makes it suit­able for mo­tor po­si­tion­ing tasks and is par­tic­u­larly use­ful for higher power mo­tors that will not work with mag­netic based en­coder tech­nolo­gies. Fo­cus­ing ini­tially on the maxon multi-pole brush­less DC mo­tors and the new DCX range of mo­tors the new en­coder will pro­vide so­lu­tions for de­mand­ing ap­pli­ca­tion re­quire­ments.

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