BRINGING INTELLIGENCE TO ENCODERS

Jeff SmootVP Motion Control

jsmoot@cui.com

January 21, 2015

MOTOR & DRIVE SYSTEMS 2015

Confidential | ©2015 CUI Inc |

WHAT IS AN ENCODER

Position/Location Data

Speed

Distance

Direction

Commutation

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TYPES OF ROTARY ENCODERS

MECHANICAL MAGNETICOPTICAL

FIBER OPTIC CAPACITIVE

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BRINGING INTELLIGENCE TO ENCODERS

TRADITIONAL ENCODERS

Workhorse of the industry

Provide Reliable Feedback

Simple sensor

INTELLIGENT ENCODERS

Speed Time to Market

Cut Assembly Costs

Reduce Field Failures & Downtime

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PROGRAMMABILITY/VERSATILITY

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PROGRAMMABILITY

Resolution/Poles

Manufacturing Data

Date Codes

VERSATILITY

PID Loop Control

Zero Position Set

Index Pulse

No Need to purchase a new encoder

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DIAGNOSTICS

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ENCODER STATUS

Good

Bad

Mounting Issue

TROUBLESHOOTING

Speed up troubleshooting

REDUCE FIELD FAILURES

Poll encoder at start up

Schedule preventative maintenance

Confidential | ©2015 CUI Inc |

TIME TO MARKET

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R&D

Versatility

Make changes in the systems

Troubleshooting

MANUFACTURING

Reduce manufacturing time

Set zero position

Set index pulse

Confidential | ©2015 CUI Inc |

MOTION CONTROL SYSTEM DATA

Encoder

Motor/Driver/Probes

Overall System

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Confidential | ©2015 CUI Inc |

CUI’S ASIC BASED AMT ENCODERS

AMT31 SERIES AMT 11 SERIES

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HOW A CAPACITIVE ENCODER WORKS

Ac field transmitter sends a signal

to the receiver as it turns

The metal pattern on the rotor

creates a signal that is repetitive

and predictable

CUI’s proprietary ASIC converts the

modulated signal to output pulses

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Confidential | ©2015 CUI Inc |

AMT11 SERIES INCREMENTAL ENCODER

Radial (AMT112) and Axial (AMT113)

mounting options

Programmable via AMT Viewpoint™

GUI

Communication via Serial UART

Programmable zero index position

- Saves time and money

- No mechanical adjustment

Optional line driver outputs

Broad Temperature Range:

-40°C to +105°C

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20 RESOLUTIONS IN 1 ENCODER

48 96 100 125

192 200 250 256

384 400 500 512

768 800 1000 1024

1600 2000 2048 4096

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AMT31 SERIES COMMUTATION ENCODER

U, V, W commutation lines

Communication via Serial UART

Programmable pole # selection:

2, 4, 6, 8, 10, 12, 20

Programmable One Touch Zero™

commutation signal alignment

- Saves time and money

- Eliminates the need for back EMF

- Also zeros index pulse

Optional line driver outputs

Broad Temperature Range:

-40°C to +105°C

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20 RESOLUTIONS IN 1 ENCODER

48 96 100 125

192 200 250 256

384 400 500 512

768 800 1000 1024

1600 2000 2048 4096

Confidential | ©2015 CUI Inc |

AMT ONE TOUCH ZERO™ MODULE

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WITH THE AMT-OTZ-1 YOU CAN:

Set commutation alignment and index

zero position with a single button press

on the assembly line

View U/V/W signals via onboard LEDs

Connect to A/B/Z/U/V/W test points to

monitor encoder signals

Confidential | ©2015 CUI Inc |

GRAPHICAL USER INTERFACE AMT VIEWPOINT™

CONFIGURE

Resolution

Zero Position

Pole Count

Direction of Rotation

MONITOR

Resolution/Pole Count/Direction

Settings

Output Waveform

Encoder Firmware & Date Code

Encoder Diagnostics

Commutation Logic Values

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Confidential | ©2015 CUI Inc |

MOTION CONTROL SYSTEM DATA

WHERE CAN WE GO NEXT?

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THANK YOUwww.cui.com

THANK YOUwww.cui.com