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  • Encoders
  • Absolute
  • Incremental

Encoders

Rotary encoders are often used to track the position of the motor shaft on permanent magnet brushless motors. These are commonly used on CNC machines, robots, and other industrial equipment. In these applications, the feedback device (encoder) plays a vital role in ensuring that the equipment operates properly.

There are usually two types of encoders. Absolute and Incremental. In an absolute encoder there is a coded wheel that can either be mechanical or optical. As the wheel rotates, either contacts are made (in a mechanical encoder) or opaque regions trip an infared beam (in an optical encoder) in a specific manner. It will then output data to a CNC or PLC to give position data on how far a shaft has turned.

Incremental encoders (sometimes called quadrature encoders) do not usually have an internal position count. Instead, they use A and B channel pulse output that is interpreted by an external device to determine position.

There are some companies offering oddball combinations of the two, such as Fanuc's battery backed encoder that operates as an incremental encoder, but keeps its count information in internal memory.

Improper encoder alignment on a motor can make equipment move in an odd manner, or can cause it to lose it's position and make the controller think that the machine is in a different place. Sometimes resulting in a hazardous run away condition, or damaged equipment.

Correct encoder alignment is absolutely essential to proper operation.

We offer support for both internal encoders that are built into high end motors as well as ad-on encoders from third party manufacturers.

Absolute Encoders

An absolute encoder there is a coded wheel that can either be mechanical or optical. As the wheel rotates, either contacts are made (in a mechanical encoder) or opaque regions trip an infared beam (in an optical encoder) in a specific manner. It will then output data to a CNC or PLC to give position data on how far a shaft has turned.

We can calibrate and repair encoders from the manufacturers listed below. As always, contact us is your manufacturer is not listed.

ABB FRABA MICRON
ACCU CODER FSI MICROSWITCH
ACCURATE METERING FUJI ELECTRIC MICROTECH
ACS G&L ELECTRONICS MILLTRONICS
ACU RITE GAEBRIDGE LTD MINARIK ELECTRIC CO
ADEPT TECH GALCO INDUSTRIAL MITSUBISHI
ADVANCE RESEARCH & ROBOTICS GALIL MOTION CONTROLS MKS INSTRUMENTS
ADVANCED MICRO CONTROLS GALILDMC MODICON
ADVANCED RESEARCH GD BOLOGNA MODICON GETTYS
AEROTECH GE FANUC MOELLER ELECTRIC
AKRON STANDARD GEFRAN MOTCH
ALLEN BRADLEY GELMA MOTION CONTROL DEVICES
ALLIS CHALMERS GEMCO ELECTRIC MOTION PLUS
ALPHA WIRE GENERAL ELECTRIC MOUSER ELECTRONICS
ALTERA GENERIC MOTOR MOXA
AMBAC INTERNATIONAL GEORGE MARTIN MTS AUTOMATION
AMCI GESPAC MTS SYSTEMS CO
AMETEK GETTYS NACHI
AMETEK GEMCO GETTYS MODICON NAMCO
AMI ELEKTRONIK GIDDINGS & LEWIS NATIONAL INSTRUMENT
AMICON GILDEMEISTER NDC
ANAHEIM AUTOMATION GL GEIJER ELECTR NEMACOM
ANALOG DEVICES GLASS EQUIPMENT NEMICON
ANILAM GLOBE NEOTECH
API INSTRUMENT GLOBE MOTORS NEUMAG
APPALACHIAN GORBEL NEWALL
APPLIED INFORMATION GOULD GETTYS NEWARK ELECTRONICS
APPLIED MICROSYSTEMS GOULD MODICON NEXEN GROUP
APPLIED MOTION PRODUCTS GRAINGER NEXEN HORTON
ASEA BROWN BOVERI GRAYHILL NIDEC CORP
ASTROSYSTEMS GREENLEE TOOL NIKKI DENSO
ATC GREENSPRING NIKON
ATI GRENNLEE TOOL NORDSON
AUTEFA CERTUS GROUPE SCHNEIDER NORTH ATLANTIC IND
AUTO TECH GSI LUMONICS INC NORTH STAR LIGHTING
AUTOMATIC TIMING & CONTROL GURLEY PRECISION INSTRUMENTS NORTHSTAR TECHNOLOGIES
AUTOMATION TECHNOLOGY CORP HAIDEN HAIN CORP NOVOTECHNIK
AUTOTECH HAMAC NSD
AVAGO TECHNOLOGIES US INC HANNIFIN OILGEAR
AVG AUTOMATION HARDINGE OKUMA
AVTRON HARMONIC DRIVE OKURA
B&R HARMONIC DRIVE TECH OMRON
BALDOR HARMONIC INC ON SEMICONDUCTOR
BALDOR MOTION PRODUCTS HAROWE ONO SOKKI
BALDWIN HAROWE SYSTEMS OPTO 22
BALLUFF HAUSHAHN OPTRONIC
BARDAC HAYSSEN ORMEC
BAUMER ELECTRIC HDR ORMEC SYSTEMS CORP
BAYSIDE HECON CORPORATION OSAI
BEARING ENGINEERING HEIDENHAIN CORP PACIFIC SCIENTIFIC
BECKHOFF HENGSTLER PANASONIC
BEI DUNCAN HENSTLER PAPER CONVERTING MACHINERY CO
BEI INDUSTRIAL ENCODER HERCULES PARAJUST
BENDIX DYNAPATH HEUFT PARKER
BERGER LAHR HEWLETT PACKARD PARKER DAEDAL
BERNECKER & RAINER HOHNER AUTOMATION PARKER HANNIFIN
BOMAC HONEYWELL PARLEC
BOSCH HONEYWELL MICROSWITCH PCMC
BOSTON HONEYWELL SSEC PEPPERL & FUCHS
BOURNS HORNER ELECTRIC PHEONIX
BRITISH ENCODER HORTON AUTOMATICS PHOENIX CONTACT
BRITISH FEDERAL HORTON MANUFACTURING PHOENIX KLEMMEN
BRODERICK HUBNER PHOTOCRAFT
BURGESS HURLETRON PILZ
C&A PRODUCTS HY CAL PMI MOTION
CA PRODUCTS I2T PRECISION PROJECTION SYSTEMS
CALIPERS IAI PSC INC
CANON ICP DAS USA PSI
CARLO GAVAZZI IDEACOD QMC TECHNOLOGY
CARLTON TECHNOLOGIES INC IHI QUANTUM DEVICES, INC
CAROL CABLE IKEGAI QUBE
CCC IMEC QUICKSILVER
CCC NETWORK SYSTEMS INDRAMAT RADIO ENERGIE
CELESCO INDUCODER RANDTRONICS
CENTRALP AUTOMATISMES INDUSTRIAL DEVICES RAPIDSYN DIVISION
CHAMBON INDUSTRIAL DYNAMICS RAPISTAN
CHESHIRE INLAND MOTOR RED LION CONTROLS
CHIBA PRECISION INTEGRATED INDUSTRIAL TECH REDINGTON
CLAROSTAT INTELLIGENT ACTUATOR INC RELIANCE ELECTRIC
CLEVELAND CONTROLS INTERCON I RENCO CORP
CLEVELAND ELECTRIC IRWIN RENISHAW
CLEVELAND KIDDER ITALMEC ELECTRONICA REXHAM CORPORATION
CLEVELAND MACHINE ITB REXROTH
CLEVELAND MOTION CONTROL ITT REXROTH INDRAMAT
CLIFTON IVO INDUSTRIES RIMROCK
CMC JAKOB RITTAL
CODECHAMP JDK CONTROLS INC ROBO CYLINDER
COILTRONICS JOKAB SAFETY ROTAC
COMPUMOTOR JORDAN CONTROLS ROTACOD
COMPUTER CONVERSION JR WILLIS INC ROTECH SYSTEMS
COMPUTER OPTICAL PRODUCTS K TRON RSF ELEKTRONIK
CONAR KAWASAKI SANSEI ELECTRIC
CONTRAVES KEARFOTT SCHNEIDER AUTOMATION INC
CONTROL INSTRUMENTS KEB COMBIVERT SEW EURODRIVE
CONTROL TECHNIQUES KEBCO SICK MAIHAK
CONTROL TECHNOLOGY CORPORATION KEITHLEY SICK OPTIC ELECTRONIC
COPAL KENWAY SKIL BOSCH
COPAR KEP STEGMANN
CRITTENDEN KESSLER ELLIS SUNX LTD
CROUSE HINDS KHS T&R ELECTRONIC
CROUZET KLOCKNER MOELLER TAMAGAWA
CUSTOM SERVO KOLLMORGEN IND TECHNOLOGY 80 INC
CUTLER HAMMER KOYO TEK ELECTRIC
DAEDAL KOYO SEIKO TEKEL
DANAHER CONTROLS KRONES TELEDYNE
DANAHER MOTION KUBLER TELEMECANIQUE
DANFOSS KUKA TENOR CO INC
DATA TECHNOLOGY KURODA THALHEIM
DATAMETRICS KURODA DENKI TOL O MATIC
DIGITAL DEVICES KYOSHIN TOOL O MATIC
DISC INSTRUMENTS LAKE SHORE CRYOTRONICS TRANS TEK
DOMINO LAKE SHORE ELECTRIC TRI ONICS INC
DOMINO AMJET INC LAKESHORE TRIONICS
DOMINO PRINTING LEDEX TRUMP ROSS
DRC LEESON ELECTRIC CO TURCK ELEKTRONIK
DURANT LEINE & LINDE UNICO
DYNAMICS RESEARCH LENORD & BAUER UNIDRIVE
DYNAPAR LENZE UNIMEASURE
EAGLE SIGNAL LEONARD & BAUER UNITRONICS
EATON CORPORATION LFE US BOTTLERS
EATON KENWAY LIKA US DIGITAL
ELAP LIMITORQUE VALCO CINCINNATI
ELCIS LINCOLN MOTORS VALENITE
ELECTRO CRAFT LITTON VEEDER ROOT
ELESTA LTN VERNITECH
ELGO ELECTRIC LUCAS LEDEX VIDEO JET
ELM SYSTEMS M SYSTEM TECHNOLOGY INC VIDEOJET TECHNOLOGIES INC
EMERSON MACTRON INC VISHAY
EMERSON PROCESS MANAGEMENT MAEL VOGEL
ENCODER PRODUCTS MAGNETEK VOITH
ENCODER RESOURCES MAGNETIC SPA W&S MEBSYSTEME
ESCHA MANSFIELD & GREEN WACHENDORFF
EUCHNER MARKEM WAGO
EURODRIVE MARPOSS WALLACE & TIERNAN
EUROTHERM CONTROLS MARSH WARNER ELECTRIC
EUROTHERM DRIVES MARSHALLTOWN INSTRUMENTS WATLOW
FADAL MATSUSHITA ELECTRIC WEB PRINTING
FAIRCHILD SEMICONDUCTOR MATTHEWS WEIDMULLER
FANUC MAXMAR WER INDUSTRIAL
FARNELL MCB ENCODER WHEDCO
FAULHABER MCG INC WINKELKODIERER
FERRO CONTROL MECAPLEX AG WOODS
FESTO ELECTRIC MERRICK INDUSTRIES WORLD ENCODERS
FINCOR MERRICK SCALE WPC
FLUKE METRONICS YAMATO
FMC OKURA MICREL SEMICONDUCTER YASKAWA ELECTRIC
FORK STANDARDS MICRO SWITCH
FORMAX MICROCHIP TECHNOLOGY INC

 

Incremental Encoders

Incremental encoders (sometimes called quadrature encoders) do not usually have an internal position count. Instead, they use A and B channel pulse output that is interpreted by an external device to determine position.

We can calibrate and repair encoders from the manufacturers listed below. As always, contact us is your manufacturer is not listed.

ABB FRABA MICRON
ACCU CODER FSI MICROSWITCH
ACCURATE METERING FUJI ELECTRIC MICROTECH
ACS G&L ELECTRONICS MILLTRONICS
ACU RITE GAEBRIDGE LTD MINARIK ELECTRIC CO
ADEPT TECH GALCO INDUSTRIAL MITSUBISHI
ADVANCE RESEARCH & ROBOTICS GALIL MOTION CONTROLS MKS INSTRUMENTS
ADVANCED MICRO CONTROLS GALILDMC MODICON
ADVANCED RESEARCH GD BOLOGNA MODICON GETTYS
AEROTECH GE FANUC MOELLER ELECTRIC
AKRON STANDARD GEFRAN MOTCH
ALLEN BRADLEY GELMA MOTION CONTROL DEVICES
ALLIS CHALMERS GEMCO ELECTRIC MOTION PLUS
ALPHA WIRE GENERAL ELECTRIC MOUSER ELECTRONICS
ALTERA GENERIC MOTOR MOXA
AMBAC INTERNATIONAL GEORGE MARTIN MTS AUTOMATION
AMCI GESPAC MTS SYSTEMS CO
AMETEK GETTYS NACHI
AMETEK GEMCO GETTYS MODICON NAMCO
AMI ELEKTRONIK GIDDINGS & LEWIS NATIONAL INSTRUMENT
AMICON GILDEMEISTER NDC
ANAHEIM AUTOMATION GL GEIJER ELECTR NEMACOM
ANALOG DEVICES GLASS EQUIPMENT NEMICON
ANILAM GLOBE NEOTECH
API INSTRUMENT GLOBE MOTORS NEUMAG
APPALACHIAN GORBEL NEWALL
APPLIED INFORMATION GOULD GETTYS NEWARK ELECTRONICS
APPLIED MICROSYSTEMS GOULD MODICON NEXEN GROUP
APPLIED MOTION PRODUCTS GRAINGER NEXEN HORTON
ASEA BROWN BOVERI GRAYHILL NIDEC CORP
ASTROSYSTEMS GREENLEE TOOL NIKKI DENSO
ATC GREENSPRING NIKON
ATI GRENNLEE TOOL NORDSON
AUTEFA CERTUS GROUPE SCHNEIDER NORTH ATLANTIC IND
AUTO TECH GSI LUMONICS INC NORTH STAR LIGHTING
AUTOMATIC TIMING & CONTROL GURLEY PRECISION INSTRUMENTS NORTHSTAR TECHNOLOGIES
AUTOMATION TECHNOLOGY CORP HAIDEN HAIN CORP NOVOTECHNIK
AUTOTECH HAMAC NSD
AVAGO TECHNOLOGIES US INC HANNIFIN OILGEAR
AVG AUTOMATION HARDINGE OKUMA
AVTRON HARMONIC DRIVE OKURA
B&R HARMONIC DRIVE TECH OMRON
BALDOR HARMONIC INC ON SEMICONDUCTOR
BALDOR MOTION PRODUCTS HAROWE ONO SOKKI
BALDWIN HAROWE SYSTEMS OPTO 22
BALLUFF HAUSHAHN OPTRONIC
BARDAC HAYSSEN ORMEC
BAUMER ELECTRIC HDR ORMEC SYSTEMS CORP
BAYSIDE HECON CORPORATION OSAI
BEARING ENGINEERING HEIDENHAIN CORP PACIFIC SCIENTIFIC
BECKHOFF HENGSTLER PANASONIC
BEI DUNCAN HENSTLER PAPER CONVERTING MACHINERY CO
BEI INDUSTRIAL ENCODER HERCULES PARAJUST
BENDIX DYNAPATH HEUFT PARKER
BERGER LAHR HEWLETT PACKARD PARKER DAEDAL
BERNECKER & RAINER HOHNER AUTOMATION PARKER HANNIFIN
BOMAC HONEYWELL PARLEC
BOSCH HONEYWELL MICROSWITCH PCMC
BOSTON HONEYWELL SSEC PEPPERL & FUCHS
BOURNS HORNER ELECTRIC PHEONIX
BRITISH ENCODER HORTON AUTOMATICS PHOENIX CONTACT
BRITISH FEDERAL HORTON MANUFACTURING PHOENIX KLEMMEN
BRODERICK HUBNER PHOTOCRAFT
BURGESS HURLETRON PILZ
C&A PRODUCTS HY CAL PMI MOTION
CA PRODUCTS I2T PRECISION PROJECTION SYSTEMS
CALIPERS IAI PSC INC
CANON ICP DAS USA PSI
CARLO GAVAZZI IDEACOD QMC TECHNOLOGY
CARLTON TECHNOLOGIES INC IHI QUANTUM DEVICES, INC
CAROL CABLE IKEGAI QUBE
CCC IMEC QUICKSILVER
CCC NETWORK SYSTEMS INDRAMAT RADIO ENERGIE
CELESCO INDUCODER RANDTRONICS
CENTRALP AUTOMATISMES INDUSTRIAL DEVICES RAPIDSYN DIVISION
CHAMBON INDUSTRIAL DYNAMICS RAPISTAN
CHESHIRE INLAND MOTOR RED LION CONTROLS
CHIBA PRECISION INTEGRATED INDUSTRIAL TECH REDINGTON
CLAROSTAT INTELLIGENT ACTUATOR INC RELIANCE ELECTRIC
CLEVELAND CONTROLS INTERCON I RENCO CORP
CLEVELAND ELECTRIC IRWIN RENISHAW
CLEVELAND KIDDER ITALMEC ELECTRONICA REXHAM CORPORATION
CLEVELAND MACHINE ITB REXROTH
CLEVELAND MOTION CONTROL ITT REXROTH INDRAMAT
CLIFTON IVO INDUSTRIES RIMROCK
CMC JAKOB RITTAL
CODECHAMP JDK CONTROLS INC ROBO CYLINDER
COILTRONICS JOKAB SAFETY ROTAC
COMPUMOTOR JORDAN CONTROLS ROTACOD
COMPUTER CONVERSION JR WILLIS INC ROTECH SYSTEMS
COMPUTER OPTICAL PRODUCTS K TRON RSF ELEKTRONIK
CONAR KAWASAKI SANSEI ELECTRIC
CONTRAVES KEARFOTT SCHNEIDER AUTOMATION INC
CONTROL INSTRUMENTS KEB COMBIVERT SEW EURODRIVE
CONTROL TECHNIQUES KEBCO SICK MAIHAK
CONTROL TECHNOLOGY CORPORATION KEITHLEY SICK OPTIC ELECTRONIC
COPAL KENWAY SKIL BOSCH
COPAR KEP STEGMANN
CRITTENDEN KESSLER ELLIS SUNX LTD
CROUSE HINDS KHS T&R ELECTRONIC
CROUZET KLOCKNER MOELLER TAMAGAWA
CUSTOM SERVO KOLLMORGEN IND TECHNOLOGY 80 INC
CUTLER HAMMER KOYO TEK ELECTRIC
DAEDAL KOYO SEIKO TEKEL
DANAHER CONTROLS KRONES TELEDYNE
DANAHER MOTION KUBLER TELEMECANIQUE
DANFOSS KUKA TENOR CO INC
DATA TECHNOLOGY KURODA THALHEIM
DATAMETRICS KURODA DENKI TOL O MATIC
DIGITAL DEVICES KYOSHIN TOOL O MATIC
DISC INSTRUMENTS LAKE SHORE CRYOTRONICS TRANS TEK
DOMINO LAKE SHORE ELECTRIC TRI ONICS INC
DOMINO AMJET INC LAKESHORE TRIONICS
DOMINO PRINTING LEDEX TRUMP ROSS
DRC LEESON ELECTRIC CO TURCK ELEKTRONIK
DURANT LEINE & LINDE UNICO
DYNAMICS RESEARCH LENORD & BAUER UNIDRIVE
DYNAPAR LENZE UNIMEASURE
EAGLE SIGNAL LEONARD & BAUER UNITRONICS
EATON CORPORATION LFE US BOTTLERS
EATON KENWAY LIKA US DIGITAL
ELAP LIMITORQUE VALCO CINCINNATI
ELCIS LINCOLN MOTORS VALENITE
ELECTRO CRAFT LITTON VEEDER ROOT
ELESTA LTN VERNITECH
ELGO ELECTRIC LUCAS LEDEX VIDEO JET
ELM SYSTEMS M SYSTEM TECHNOLOGY INC VIDEOJET TECHNOLOGIES INC
EMERSON MACTRON INC VISHAY
EMERSON PROCESS MANAGEMENT MAEL VOGEL
ENCODER PRODUCTS MAGNETEK VOITH
ENCODER RESOURCES MAGNETIC SPA W&S MEBSYSTEME
ESCHA MANSFIELD & GREEN WACHENDORFF
EUCHNER MARKEM WAGO
EURODRIVE MARPOSS WALLACE & TIERNAN
EUROTHERM CONTROLS MARSH WARNER ELECTRIC
EUROTHERM DRIVES MARSHALLTOWN INSTRUMENTS WATLOW
FADAL MATSUSHITA ELECTRIC WEB PRINTING
FAIRCHILD SEMICONDUCTOR MATTHEWS WEIDMULLER
FANUC MAXMAR WER INDUSTRIAL
FARNELL MCB ENCODER WHEDCO
FAULHABER MCG INC WINKELKODIERER
FERRO CONTROL MECAPLEX AG WOODS
FESTO ELECTRIC MERRICK INDUSTRIES WORLD ENCODERS
FINCOR MERRICK SCALE WPC
FLUKE METRONICS YAMATO
FMC OKURA MICREL SEMICONDUCTER YASKAWA ELECTRIC
FORK STANDARDS MICRO SWITCH
FORMAX MICROCHIP TECHNOLOGY INC

 


 


 

 

 

 


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