Encoders

Disponível somente no TrabalhosFeitos
  • Páginas : 49 (12130 palavras )
  • Download(s) : 0
  • Publicado : 28 de outubro de 2012
Ler documento completo
Amostra do texto
Encoders

Contents

General Information

Quick Selection Guide . . . . . . . . . . . . . . . . . . . . . . . page 6–2
Electrical Interface Guide-I/O to Encoder . . . . . . . page 6–3
Technical Definitions and Terminology . . . . . . . . . page 9–1

Absolute Encoders

Bulletin 842A Multi-Turn Magnetic Absolute . . . . . . . . . . . . . [
Bulletin 842D DeviceNett Magnetic Absolute . .. . . . . . . . . [
Bulletin 845D Single-Turn Absolute . . . . . . . . . . . . . . . . . . . . . [
Bulletin 845G Single-Turn Absolute . . . . . . . . . . . . page 6–4
Bulletin 845GM Single-Turn Absolute . . . . . . . . . . page 6–9

Incremental Optical Encoders Bulletin 844A & 844B Hollow Shaft Incremental . . . . . . . . . . [
Bulletin 844D Hollow Shaft Incremental . . . . . . . page 6–14Bulletin 845F Incremental with Integral Coupler . . . . . . . . . . [
Bulletin 845H Size 25 Incremental . . . . . . . . . . . . page 6–17
Bulletin 845T Size 20 Incremental . . . . . . . . . . . . page 6–21
Digital Tachometer

Bulletin 845PY Digital Tachometer (5PY Mounting) . . . . . . [

Accessories

Serial Parallel Adaptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . [
SPA Card Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [
Flexible Couplings . . . . . . . . . . . . . . . . . . . . . . . . . page 6–24
Measuring Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [
Servo Clamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [
Mating Connectors . .. . . . . . . . . . . . . . . . . . . . . . . page 6–24
Pre-Wired Cable Assemblies . . . . . . . . . . . . . . . . page 6–25
Mounting Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [
Differential Encoder Buffer Board . . . . . . . . . . . . . . . . . . . . . . . [

Indexes

Catalog Number Index . . . . . . . . . . . . . . . . . . . . . . page 10–1Comprehensive Product Index . . . . . . . . . . . . . . . page 11–1

[ For information on these products, please refer to our
web site at www.ab.com/catalogs and select Sensors.

6–1

Encoders

Quick Selection Guide

842A

Specifications
Resolution
Power Supply
Outputs
Housing Size (Dia.)
Frequency
Response or Data
Rate
Shaft Speed
Mounting
Connections
Protection
AdditionalInfo

Power Supply
Outputs
Housing Size (Dia.)
Frequency
Response or Data
Rate
Shaft Speed
Mounting
Connections
Protection
Additional Info

6–2

844D

Hollow Shaft Incremental

Hollow Shaft Incremental

845D

845F

Single Turn Absolute

Incremental with Integral
Coupler

• 24 bits (2048-8192 CPR &
256-8192 revolutions)

• 10-2500 PPR

• 360-16,384 PPR

• 8 to12 bits (256-1000
CPR)

• 1 to 5000 PPR

• 10-30V DC

• 5V DC, 12V DC, or 8-24V
DC

• 5V DC, 10-30V DC, or
5-26V DC

• 5V DC or 8-24V DC

• 5V DC or 8-24V DC

• Synchronous Serial
Interface (SSI)

• Differential line driver
• NPN open collector

• DIfferential line driver
• Push Pull

• 5V TTL
• Open collector






• 60mm (2.36in)

• 51mm (2.0in)

• 90mm(3.5in)

• 64mm (2.5in)

• 64mm (2.5in)

• Up to 500 kHz

• 100 kHz

• 200, 300, or 600 kHz

• 16 K words/sec

• 200 kHz

• 6000 RPM

• 3000 RPM

• 3000 RPM

• 5000 RPM

• 6000 RPM

• Metric servo with 36 or
50mm pilot

• Integral flex mount

• Three tether options &
anti rotation pin

• Square flange
• English servo

• Standard coupler
• High performancecoupler

• Radial connector

• 18in (457mm) integral
cable

• Radial connector
• Radial cable
• Terminal block

• Axial connector
• Radial connector






• IP66 (IEC 529)

• IP40 (IEC 529)

• NEMA 4, 13; IP66

• NEMA 4, 13; IP66

• NEMA 4, 13; IP66

• www.ab.com/catalogs

• www.ab.com/catalogs

• See page 6-14

• www.ab.com/catalogs

• www.ab.com/catalogs...
tracking img