Rockwell-automation 845K Incremental Encoder Manual de usuario descargar pdf

Installation Instructions

Size 25 Incremental Encoder, Bulletin 845K

IMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.

Specifications

Electrical

Code Format Incremental, 2 channels with zero index

Quadrature 90° ±22°

Channel A leads B CCW

Symmetry 50% ±10%

Zero Index Channel 1/2 cycle, gated to channel B

Power

Requirements

Determined by catalog number:

5V DC ±5% @ 150mA maximum

8-24V DC @ 150mA maximum

Frequency

Response

Data: 210 kHz

Zero index: 125 kHz

Operating Speed

(Data)

(210 kHz x 60)/pulses per revolution = RPM or

6000 RPM, whichever is lower

Resolution Up to 5000 PPR on code disk

Output Drive

Capability

PNP current source = 20mA

NPN current sink = 20mA

Differential line driver = ±20mA

NPN open collector = 20mA

Mechanical

Starting Torque

1.0inĆoz typical [0.007 NDm]

Running Torque

1.0inĆoz typical [0.007 NDm]

Moment of Inertia (0.08ozĆin

maximum)

Slew Speed 6000 RPM

Shaft Loading Axial 20 lbs [89 N] (10 lbs 5000 PPR)

Radial 40 lbs [178 N] (20 lbs 5000 PPR)

Shaft Size 3/8in [9.517 mm] diameter

Environmental

Housing NEMA Type 1

Temperature +32°F to +140°F (0°C to +60°C) Ċ operating

-13°F to +194°F (-25°C to +90°C) Ċ storage

Humidity 85%, noncondensing

Shock 50 G's (11ms duration)

Vibration 20 G's (5 to 2000 Hz)

Approximate

Shipping Weight

2 lbs (0.91 kg)

Accessories

Description Part Number

High Performance Flexible Coupling 845-FC-*-*

Measuring Wheels 845-MW-A-*

Servo Clamps 845-SC

Differential Encoder Buffer Board 845-BB

*See C-111 catalog for selection.

ATTENTION: The shielded cables, output devices,

and power supplies must be properly grounded. All

National Electric Code and applicable local codes

and ordinances must be observed when wiring the

system.

Selection

845K — S A HZ1 4 CR Y 3

a b c d

Mounting Configuration

Code Description

H English Servo

Square FlangeD

Power Supply

Code Description

2 8-24V DC Unregulated

5V DC ±5%1

Output ConfigurationÊ

Code Description

3 NPN Current Sink

PNP Current Source2

Resolution

Code Description

CB 60

50CA

NPN Open Collector

24V DC Max

DLD 5V DC RS-4224

CF 80

64CE

CG 100

EB 180

120DB

CJ 250

200CH

CC 254

EG 300

256CW

CK 360

CL 400

DW 512

500CM

LG 900

600EH

CN 1000

EL 1200

1024FW

CD 1250

FL 1600

DN 2000

1800CP

HL 2400

2048CS

CR 2500

CT 3600

2540CY

5000Ê

Ê DLD = Differential Line Driver

Ë See Shaft Loading specification

changes.

RF 1280

Flexible Shaft Couplings

Angle

Parallel

OffĆSet

ATTENTION: Rigidly coupling the encoder shaft

to the machine shaft will cause a failure in either

the bearings of the encoder or the bearings of the

machine shaft.

1 2

Indice de contenidos

Pagina 1 - Installation Instructions

Installation Instructions Size 25 Incremental Encoder, Bulletin 845KIMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.SpecificationsElectricalCode For

Pagina 2 - Dimensions—inches (mm)

CableCurrent Source, Current Sink, Open Collector OutputsWire PairWire Color FunctionRed/BlackRed DC+ InputRed/BlackBlackDC ReturnWhite/BlackWhite Cha

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Rockwell-automation 845K Incremental Encoder Manual de usuario

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