Rockwell-automation 844D Optical Incremental Encoder Manual de usuario descargar pdf (Pagina 1)

Installation Instructions

Bulletin 844D Blind & ThroughĆShaft Optical Incremental Encoders

IMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.

Specifications

Electrical

Code Format 2 channels with zero index

Power Requirements 120mA (no load)

Max Output Frequency 200kHz PushĆPull (120-8192 PPR)

300kHz all other drivers (120-8192 PPR)

600kHz (above 8192 PPR)

Resolution Up to 16,384 pulses per revolution

Output Driver Capability

3487 Line driver = "40 mA

4469 Line driver = "200 mA

7272 Line driver = "40 mA

PushĆPull Single Ended Driver = "70 mA

Mechanical

Angular Acceleration 100,000 radians/sec

Starting Torque

@ 25_C (77_ F)

9.3Ncm (13inĆoz)

Running Torque

@ 25_C (77_ F)

5Ncm (7 inĆoz)

Moment of Inertia 490gcm

(6.9 x x 10

-3

oz-in-sec

)

Slew Speed 3000 rpm maximum

Shaft Loading

(120-2500 PPR)

Axial 67N (15lbs)

Radial 133N (30lbs)

Shaft Loading

(4096-16,384 PPR)

Axial 44N (10lbs)

Radial 67N (15lbs)

Permissible Shaft

Radial Movement

Static +/- 0.5mm (0.02in)

Dynamic +/- 0.1mm (0.004in)

Permissible Shaft

Axial Movement

Static +/- 0.5mm (0.02in)

Dynamic +/- 0.5mm (0.02in)

Bore Size Supports 1/2 to 1-1/8" & 30mm shafts

Environmental

Protection NEMA Type 4, 13, IP66 (IEC 529) except

terminal block connection type rated

IP40 (IEC 529) only

Housing Material Aluminum

Temperature

-20_C to 85_C (-4_F to +185_F)ĊOperating

-30_C to 85_C (-22_F to +185_F)ĊStorage

Humidity 90% noncondensing

Shock 50g for 11ms

Vibration 20g from 5 to 2000Hz

Approximate Weight 0.91kg (2lbs)

Selection

844D — A 5 A C 1 CR

a b c d e f

Shaft Design

Shaft Size Ê

Code Description Code Description

A BlindĆShaft 4 1/2in

B ThroughĆShaft 5 5/8in

6 3/4in

7 7/8in

Mounting Configuration

8 1.0in

Code Description 9 1 1/8in

Tether 1/2

boltona

M 30mm

er, 1

t on a

7.25I dia. B.C. (to fit 8

dia

(to

fit

1/2I NEMA C face)

Tether 3/8

boltona

Connection Type

er,

3/8I

on a

5.88I dia. B.C. (to fit 4

1/2I NEMA C f )

Code Description

(

1/2I NEMA C face)

C 10Ćpin Connector

Tether

8I bolt on a

Terminal Block Ë

Tether

3/8

bolt

2.5-4.0I dia. radius

1 1m (3.28ft) cable

D AntiĆrotation pin

Power Supply and Output Ì

Resolution

Code Description Code Description (PPR)

5V DC in

5V DC

DB 120

DLD out (3487)

CK 360

5-26V DC in

5-26V

FW 1024

5-26V

DC DLD out (7272) Í

CS 2048

5-15V DC in

5-15V

CR 2500

5-15V

DC DLD out (4469)

DS 4096

8-26V DC in

DR 5000

26V

5V DC DLD out (3487)

FS 8192

10-30V DC in

10-30V

10000 Î

30V

DC PushĆPull out

16384 Î

Ê Shaft sizes below 1.0in include an insulating insert.

Ë Terminal block unit is not rated for fluid ingress protection (IP40 (IEC 529)

only).

Ì DLD = Differential Line Driver

Í 7272 line driver has a voltage drop of 1.9V.

Î Available with power supply and output options 1, 2, 3 and 4.

1 2 3 4

Indice de contenidos

Pagina 1 - Installation Instructions

Installation Instructions Bulletin 844D Blind & ThroughĆShaft Optical Incremental EncodersIMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.Specif

Pagina 2 - Electrical Connections

2Channel AChannel AChannel BChannel B(Index) Channel ZChannel ZLogic 1Logic 0(CCW Rotation Shown)90 +/- 22°1 CycleDifferential Line Driver Output (for

Pagina 3 - Dimensions—mm (inches)

3844DBlind-Shaft ToleranceSIzeBore Mating Shaft Length1/2I 0.500/0.501 0.500/0.499 0.70/2.005/8I 0.625/0.626 0.625/0.624 0.70/2.003/4I 0.750/0.751 0.7

Pagina 4 - Mounting Instructions

4Mounting InstructionsIMPORTANT: Be sure mating shaft is chamfered andgrease-free.1. Loosen the screw on the clamping ring with a 3/32 inchhexagon soc