Rockwell-automation 845T Size 20 Incremental Encoder, Installation Ins Manual de usuario descargar pdf

Installation Instructions

Size 20 Incremental Encoder, Bulletin 845T

IMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.

Specifications

Electrical

Code Format Incremental (A, AB or ABZ channels)

Quadrature 90°±22°

Channel A leads B CCW

Symmetry 50% ±10%

Zero Index Channel Gated 1/2 cycle

Power

Requirements

Determined by catalog number:

5V DC ±5% @ 150mA maximum

11--20V DC @ 150mA maximum

24V DC @ 150mA maximum

Frequency

Response

Data: 210kHz

Zero index: 210kHz

Operating Speed

(Data)

(100kHz x 60)/pulses per revolution = RPM or 15,000

RPM, whichever is lower

Resolution Up to 3000 PPR on code disk

Output Drive

Capability

Push-Pull Single Ended Driver = ±20mA

Differential line driver = ±20mA

Mechanical

Starting Torque 2.5Ncm typical [3.5in-oz]

Running Torque 2.5Ncm typical [3.5in-oz]

Slew Speed 15,000 RPM

Shaft Loading Axial: 359N [80lbs]

Radial: 359N [80lbs] (10mm, 3/8in shafts)

180N [40lbs] (6mm, 1/4in shafts)

Shaft Size 6mm, 10mm, 6.4mm [1/4in], 9.517mm [3/8in] diameter

Environmental

Housing NEMA Type 4, IP66 (IEC 529)

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

-- 2 5 °Cto+90°C(--13°F to +194°F)—storage

Humidity 98%, noncondensing

Shock 50g (11ms duration)

Vibration 20g (5 to 2000Hz)

Approximate Ship

Weight

0.44kg (14oz)

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.

Flexible Shaft Couplings

Angle

Parallel

Off-Set

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.

Accessories

Description Part Number

High Performance Flexible Coupling 8 4 5 -- F C -- * -- *

Measuring Wheels 8 4 5 -- M W -- A -- *

Servo Clamps 845--SC

Pre-Wired Cables 8 4 5 -- C A -- * -- *

Mating Connectors 845--6P, 845--7P, 845--10P

Differential Encoder Buffer Board 845--BB

*See Sensor catalog for selection.

1 2 3 4

Indice de contenidos

Pagina 1 - Installation Instructions

1Installation InstructionsSize 20 Incremental Encoder, Bulletin 845TIMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.SpecificationsElectricalCode For

Pagina 2 - 845T — D Z 1 3 E CR — C

2Selection Guide845T — D Z 1 3 E CR — Ca b c d e f gaMounting ConfigurationCode DescriptionD Square FlangeHServo withFace Mount HolesLServo withoutFac

Pagina 3 - Electrical Connections

3Electrical ConnectionsDifferential Line Driver OutputChannel AChannelAChannel B*Channel B*(Index) Channel Z*ChannelZ*Logic 1Logic 0(CCW Rotation Show

Pagina 4 - Flat Dimensions

4Dimensions—mm (inches)AB47 (1.85) Dia.19 (0.75)Servo Mount2.54 (0.100)3.02 (0.12)10--32 UNF--2B x5.6 (0.22) Deep ona 41.3 (1.625) Dia.Bolt Circle, 4P

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Rockwell-automation 845T Size 20 Incremental Encoder, Installation Ins Manual de usuario

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