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Rockwell Automation 845F Size 25 Incremental Encoder Installation Instructions User Manual

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Installation Instructions

Size 25 Incremental Encoder, Bulletin 845F

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 Gated 1/2 cycle

Power

Requirements

Determined by catalog number:

5V DC ±5% @ 150mA maximum

8-24V DC @ 150mA maximum

Frequency

Response

Data:

210 kHz

Zero Index:

210 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 and

Running Torque

2.5Ncm typical (3.5inĆoz)

Moment of Inertia 27gcm

2

(3.9 x 10

-4

ozĆinĆsec

2

)

Slew Speed 6000 RPM

Angular Shaft

Misalignment

5° standard coupler, 10° high performance coupler

Parallel Shaft

Misalignment

0.010in standard coupler, 0.020in high performance

coupler

Coupling Axial

Compliance

±0.030in standard coupler, ±0.060in high performance

coupler

Coupling Bore Size 9.517mm (3/8in) or 6.4mm (1/4in) dia.

Environmental

Housing NEMA Type 4, IP66 (IEC 529)

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

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

Humidity 98%, noncondensing

Shock 50g (11ms duration)

Vibration 20g (5 to 2000Hz)

Approximate

Shipping Weight

0.91kg (2lbs)

Accessories

Description

Part Number

PreĆWired Cables

845-CA-*-*

Mating Connectors

845-7P, 845-10P

Differential Encoder Buffer Board

845-BB

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

845F —

S J G Z 1 4

FW

Y 2 C

a

b c

d

e f

5

Connector/Cable

Options

Code

Description

C

With Mating Connector

Without Mating Connector

Blank

1m (3.28ft) Cable Length

1
5
9

5m (16.4ft) Cable Length

9m (29.52ft) Cable Length

Power Supply

Code

Description

2

8-24V DC Unregulated

5V DC ±5%

1

Coupling Version

Code

Description

E

Standard 3/8in Bore

Standard 1/4in Bore

B

G

HighĆPerformance 3/8in Bore

HighĆPerformance 1/4in Bore

F

Resolution

Code

Description (PPR)

CB

60

50

CA

64

CE

80

CF

a

b

d

c

e

Ê

DLD = Differential Line Driver

DB

120

100

CG

180

EB

200

CH

CC

254

250

CJ

256

CW

300

EG
CK

360

400

CL

500

CM

DW

512
600

EH

900

LG

1000

CN

Output Configuration

Ê

Code

Description

3

NPN Current Sink

PNP Current Source

2

NPN Open Collector

24V DC Max

DLD 5V DC RS-422

4

1024

FW

1200

EL

CD

1250

1600

FL

1800

CP
DN

2000
2048

CS

HL

2400
2500

CR

2540

CY

CT

3600
5000

DR

Connection Options

Code

Description

2

Radial Connector (Side)

Axial Connector (End)

1

R

Radial Cable (Side)

Axial Cable (End)

A

f

RF

1280

10

BG

5

AM

1

AG

DF

150

DG

720

DL

800

1472

CU

1500

EM

LJ

2750
3000

EN

DLD 8-24V DC

6