E6B2-CWZ6C-10-2000P/R-5M - Omron

Rotary Encoder IE6B2

New General-purpose Incremental-type

Rotary Encoder

A wide operating voltage range of 5 to 24 VDC

(open collector model).

Resolution of 2,000 pulses/revolution in 40-mm

housing.

Phase Z can be adjusted with ease using the origin

indicating function.

A large load of 3 kgf (29.4 N) in the radial direction

and 2 kgf (19.6 N) in the thrust direction is

permitted.

The load short-circuit and reversed connection

protecting circuit assures highly reliable operation.

A line driver output model is available. (Cable

extends up to 100 m.)

Ordering Information

Supply voltage Output configuration Resolution (P/R) Model

5 to 24 VDC Open collector output 10, 20, 30, 40, 50, 60, 100, 200, 300, 360, 400, E6B2-CWZ6C

5 to 12 VDC V oltage output 500, 600, 1,000, 1,200, 1,500, 1,800, 2,000 E6B2-CWZ3E

5 VDC Line driver output E6B2-CWZ1X

Accessories (Order Separately)

Name Model

Coupling E69-C06B (attachment)

E69-C68B

E69-C610B

Flange E69-FBA

E69-FBA-02

E6B2 E6B2

Specifications

Ratings/Characteristics

Electrical

Item E6B2-CWZ3E E6B2-CWZ6C E6B2-CWZ1X

Power supply voltage 5 to 12 VDC (allowable range:

4.75 to 13.2 VDC) 5 to 24 VDC (allowable range:

4.75 to 27.6 VDC) 5 VDC5%

Current consumption 100 mA max. 80 mA max. 160 mA max.

Resolution 10, 20, 30, 40, 50, 60, 100, 200, 300, 360, 400, 500, 600, 1,000, 1,200, 1,500, 1,800, 2,000 P/R

Output phases A, B, and Z (reversible) A, A, B, B, Z, Z

Output configuration Voltage Open collector Line driver

Output capacity Output resistance: 2 kW

(residual voltage: 0.4 V max.

Isink: 20 mA max.)

Applied voltage: 30 VDC max.

Isink: 35 mA max.

residual voltage: 0.4 V max.

(Isink: 35 mA max.)

AM26LS31

Output current:

High level (Io): –20 mA

Low level (Is): 20 mA

Output voltage:

Vo: 2.5 V min.

Vs: 0.5 V max.

Phase difference on

output 90°45° between A and B (1/4T1/8T)

Rise and fall times of

output 1 ms max. (cable length: 0.5 m;

Isink: 10 mA max.) 1 ms max. (control output voltage:

5 V ; load resistance: 1 k W; cable

length: 0.5 m)

0.1 ms max. (cable length: 0.5 m;

Io: –20 mA; Is: 20 mA)

Max. response frequency 100 kHz

Insulation resistance 1,000 MW min. (at 500 VDC) between carry parts and case

Dielectric strength 500 VAC, 50/60 Hz for 1 min between carry parts and case

Note: The maximum electrical response revolution is determined by the resolution and maximum response frequency as follows:

Maximum electrical response frequency (rpm) = Maximum response frequency/resolution x 60

This means that the E6B2 Rotary Encoder will not operate electrically if its revolution exceeds the maximum electrical response revolu-

tion.

Mechanical

Item E6B2-CWZ3E E6B2-CWZ6C E6B2-CWZ1X

Shaft loading Radial: 3 kgf (29.4 N)

Thrust: 2 kgf (19.6 N)

Moment of inertia 10 gf $ cm2 (1 x 10–6 kg $ m2) max.; 3 gf $ cm2 (3 x 10–7 kg $ m2) max. at 600 P/R max.

Starting torque 10 gf $ cm (980 m N $ m) max.

Max. permissible

revolution 6,000 rpm

Vibration resistance Destruction: 10 to 500 Hz, 150 m/s2 (15G) or 2-m double amplitude for 11 min 3 times each in X, Y, and

Z directions

Shock resistance Destruction: 1,000 m/s2 (100G) 3 times each in X, Y, and Z directions

Weight Approx. 100 g max. (cable length: 0.5 m)

Environmental

Item E6B2-CWZ3E E6B2-CWZ6C E6B2-CWZ1X

Ambient temperature Operating: –10°C to 70°C (with no icing)

Storage: –25°C to 85°C (with no icing)

Ambient humidity Operating: 35% to 85% (with no condensation)

Enclosure ratings IEC IP50 (The E6B2 Rotary Encoder is not watertight or oil resistive.)

E6B2 E6B2

Operation

Output Circuit Diagram

E6B2-CWZ6C E6B2-CWZ3E

E6B2-CWZ1X

NPN

transistor

35 mA max.

30 VDC max.

Black, white, orangeOutput signal

(Phases A, B, and Z)

Brown

Blue

E6B2

main

circuitry

0 V

3.3 W

NPN

transistor

20 mA max.

Black, white, orangeOutput signal

(Phases A, B, and Z)

Brown

Blue

E6B2

main

circuitry

0 V

3.3 W

2 kW

AM26LS31 or

equivalent

20 mA max.

Black, white, orangeNon-reversed output

(Phases A, B, and Z)

Brown

Blue

E6B2

main

circuitry

5 VDC5%

0 V

Reversed output

(Phases A, B, and Z)

Black, white, orange

(with red stripes)

5 to 12 VDC (allowable

range: 4.75 to 13.2 VDC)

5 to 24 VDC (allowable

range: 4.75 to 27.6 VDC)

(Shielded) Ground Ground

(Shielded)

Ground

(Shielded)

E6B2 E6B2

Timing Charts

Open Collector Output

E6B2-CWZ6C

Direction or resolution: CW

(As viewed from the end of the shaft) Direction or resolution: CCW

(As viewed from the end of the shaft)

Note: Phase A is 1/41/8T faster than phase B.

The ONs in the above timing chart mean that

the output transistor is ON and the OFFs

mean that the output transistor is OFF.

Note: Phase A is 1/41/8T slower than phase B.

Phase A OFF

Phase B OFF

Phase Z OFF

T (360°)CW

1/4T1/8T (90°45°)

Phase A OFF

Phase B OFF

Phase Z OFF

T (360°) CCW

1/4T1/8T (90°45°)

Voltage Output

E6B2-CWZ3E

Direction or resolution: CW

(As viewed from the end of the shaft) Direction or resolution: CCW

(As viewed from the end of the shaft)

Note: Phase A is 1/41/8T faster than phase B. Note: Phase A is 1/41/8T slower than phase B.

Phase A L

Phase B L

Phase Z L

T (360°)CW

1/4T1/8T (90°45°)

Phase A L

Phase B L

Phase Z L

T (360°) CCW

1/4T1/8T (90°45°)

Line Driver Output

E6B2-CWZ1X

Direction or resolution: CW

(As viewed from the end of the shaft) Direction or resolution: CCW

(As viewed from the end of the shaft)

Phase A L

Phase B L

Phase Z L

Phase A L

Phase B L

Phase Z L

T (360°)CW

1/4T1/8T (90°45°)

Phase A L

Phase B L

Phase Z L

Phase A L

Phase B L

Phase Z L

T (360°) CCW

1/4T1/8T (90°45°)

Note: The line driver output circuit is an RS-422A data transmission circuit consisting of two balanced output lines. The relationship between

the two output lines is on an equal status. This means that if the level of the signal on a line is H, the level of the signal on the other line is

L. The noise-resistive line driver output circuit assures high-speed data transmission.

E6B2 E6B2

Input to more than One Counter from Encoder (with Voltage Output)

Use the following formula to obtain the number of counters to be connected to a single E6B2 Rotary Encoder.

Number of counters (N) = R1 (E–V)

V x R2

E: Voltage supplied to Rotary Encoder

V : Minimum input voltage of the counter

R2: Output resistance of the Rotary Encoder

R1: Input resistance of the Rotary Encoder

Counter

Encoder output stage

R2 + V

0 V

R1 R1

Counter

+ E

Connectable

number: N

Origin Indication

It is easy to adjust the position of phase Z with the origin indication

function. The following illustration (on the left-hand side) shows the

relationship between phase Z and the origin. Set cut face D to the

origin as shown in the illustration (on the right-hand side).

120°

300.2 dia.

120°

Origin of phase Z

Origin

Cut face D

Output Protection Circuit

The E6B2 (open collector model with voltage output) incorporates a

circuit preventing the E6B2 from damage due to a short-circuited

load and reversed connection.

E6B2 E6B2

Dimensions

Note: All units are in millimeters unless otherwise indicated.

E6B2

Coupling

E69-C06B (Included) E69-C68B E69-C610B

Flange

E69-FBA E69-FBA-02

Mounting Bracket

Note: The coupling is made of glass-reinforced PBT.

5.5

2.8

(11)

(16.4)

15 dia.

Four, 3 hexagon

socket heat set-

screws

6H8 dia.

5.5

2.8

24.8

6.8

3.5

19 dia.8H8 dia.

6.8

3.5

6H8 dia.

Four, 4 hexagon

socket heat set-

screws

24.8

7.1

3.6

22 dia.10H8 dia.

7.1

3.6

6H8 dia.

Four, 4 hexagon

socket heat set-

screws

330.2

330.15

Four, 3.3-dia. holes

Three, 3.5-dia. holes with

6.5-dia. screw-head holes

20.2-dia. hole

Two, C1

816 (5.1)

18 16 9

The flange is made of SPCC.

t = 3.2

Four, R3

3.1 +0.1

Origin of phase Z Three, M3 holes

Depth: 7 mm

15 395

7.5

5-dia. 5-conductor round

PVC shielded cord

(18 x 12 dia.)

120°120°

300.2 dia.

40 dia.

20 0

–0.021 dia.

6 0

–0.012 dia.

46 dia.

20.20.1 dia.

30 dia.

The flange is made of SPCC

t = 3.2

Three, 3.5-dia. holes with

6.5-dia. screw-head holes

120°

580.2 dia.

Panel

Three, M5

20 dia.

E6B2 E6B2

Installation

Connection

Be sure to connect the external terminals correctly or the E6B2

Rotary Encoder may be damaged.

E6B2-CWZ6C/-CWZ3E

Color Terminal

Brown Power supply (+VCC)

Black Output phase A

White Output phase B

Orange Output phase Z

Blue 0 V (common)

E6B2-CWZ1X

Color Terminal

Brown Power supply (+VCC)

Black Output phase A

White Output phase B

Orange Output phase Z

Black/red stripes Output phase A

White/red stripes Output phase B

Orange/red stripes Output phase Z

Blue 0 V (common)

Note: Receiver: AM26LS32

Conversion from E6B to E6B2

Refer to the following table for conversion from the E6B to the E6B2.

E6B E6b2

Resolution: 10 to 600 P/R Resolution: 10 to 2,000 P/R

E6B-CWZ3C E6B2-CWZ6C

E6B-CWZ3E E6B2-CWZ3E

--- E6B2-CWZ1X (line driver output type)

Connection with Peripheral Devices

Model E6B2-CWZ3E E6B2-CWZ6C E6B2-CWZ1X

TTL, LSTTL A A C

CMOS A A C

Sensor Controller (S3D8) B A C

Sensor Controller (S3D2) A A C

Direction Sensor Unit (E63-WF-5C) A A C

Digital counter (H7BR, H7CR) A A C

Digital Tachometer (H7ER) A A C

Intelligent Signal Processor (K3TR-NBjjj)B B C

Line receiver IC C C A

SYSMAC High-speed Counter Unit A A A

Position Control Unit B B A

Note: A: Possible to connect directly in most cases.

B: Possible to connect, but an independent power supply or pull-up resistor will be required.

C: Impossible to connect.

E6B2 E6B2

Connection Examples

Connection to H7CR-CW Counter

Features of H7CR

DIN-sized (DIN 48) counter incorporating a prescale function

converting the measured value to the actual value.

Synchronized output and  indication are available ( area

models).

Models with a general-purpose six-digit display and four-digit

display are available.

Brown

Black

White

Blue

689

1 2

CP2 CP1

12 VDC

(100 mA)

H7CR-CW

E6B2-CWZ6C

0 V

Connection to K3TR-NBjjj Rotary Intelligent Signal Processor

Features of K3TR

Each model incorporates a prescale function with an input

range of 50 kHz and the measurement accuracy is

0.006%.

A variety of outputs including relay, transistor , BCD, linear,

and communications outputs are available.

142

E6B2 E6B2

Precautions

Mounting

Be careful not to spray water or oil onto the E6B2 Rotary Encoder .

The E6B2 Rotary Encoder consists of high-precision components.

Handle with utmost care and do not drop the Rotary Encoder , other-

wise malfunctioning may result.

Do not pull the cord of the E6B2 Rotary Encoder after the E6B2

Rotary Encoder is mounted to a panel. Do not apply any shock to the

hollow shaft or the body.

When the E6B2 Rotary Encoder is used in reversed operation, pay

utmost attention to the mounting direction of the E6B2 Rotary En-

coder and the directions of increment and decrement rotation.

To match phase Z of the E6B2 Rotary Encoder and the origin of the

device to be connected to the E6B2 Rotary Encoder, conform the

phase Z output while connecting the device.

Be careful enough not to impose an excessive load on the shaft if the

shaft connects to a gear.

If the Rotary Encoder is mounted with screws, the tightening torque

must be approximately 5 kgf $ m (490 mN $ m).

If the Rotary Encoder is mounted to a panel, do not pull the cord with

more than a force of 3 kgf (29.4 N).

Rotary Encoder

Mounting plate Cord

3 kgf (29.4 N) max.

No shock must be given to the shaft or coupling. Therefore do not hit

the shaft or coupling with a hammer when inserting the shaft into the

coupling.

Mounting Procedure

1. Insert the shaft into the coupling.

Do not secure the coupling and shaft with screws at this

stage.

2. Secure the Rotary Encoder.

Refer to the following table for the maximum insertion length

of the shaft into the coupling.

Model Maximum insertion length

E69-C06B 5.5 mm

3. Secure the coupling.

Model Tightening torque

E69-C06B 2.5 kgf $ cm (250 mN $ m)

4. Connect the power and I/O lines.

Be sure to turn off the Rotary Encoder when connecting the

lines.

5. T urn on the Rotary Encoder and check the output.

Refer to the following illustrations when using a standard coupling.

Decentering

tolerance

0.2 mm max.

Declination

tolerance

0.2° max.

Displacement

tolerance in the

shaft direction 0.05 mm max.

When connecting the shaft of the Rotary Encoder with a chain tim-

ing belt or gear , connect the chain timing belt or gear with the shaft

via the bearing and coupling as shown in the following illustration.

Chain

sprocket Bearing

Coupling

Rotary Encoder

If the decentering or declination value exceeds the tolerance, an ex-

cessive load imposed on the shaft may damage the Rotary Encoder

or shorten the life of the Rotary Encoder.

Life of Bearing

The following graph shows the life expectancy of the bearing with

radial and thrust loads imposed on the bearing.

Radial load Wr (kgf)

En-

coder

Shaft

Wr: Radial load

Ws: Thrust load

Ws:

2.0 kgf Ws

Ws:

2.5 kgf

Ws: 3.0 kgf

Ws: 4.0 kgf

Life (x 10 revolutions)

E6B2 E6B2

Wiring

T urn off the Rotary Encoder when wiring. The output circuit may be

damaged if the output line contacts with the power source while the

Rotary Encoder is turned on.

Do not wire power lines or high-tension lines along with the power

supply lines of the E6B2 Rotary Encoder or the E6B2 Rotary Encod-

er may be damaged or malfunction.

When extending the cord, select the kind of cord with care by taking

the response frequency into consideration because the longer the

cord is, the more the residual voltage increases due to the resist-

ance of the cord and the capacitance between the wires. As a result,

the waveform will be distorted.

We recommend the line driver output type model if the cord needs to

be extended.

In order to reduce inductive noise, the cord must be as short as pos-

sible, especially when the signal is input to an IC.

Insert a surge absorber between the power supply terminals if there

is any surge.

A wrong pulse may be generated when the E6B2 Rotary Encoder is

turned on or of f. Do not use the connected device for 0.1 s after the

E6B2 Rotary Encoder is turned on and for 0.1 s before the E6B2

Rotary Encoder is turned off.

Make sure the E6B2 Rotary Encoder is supplied with 5 VDC when a

line driver output is used. There will be an approximately 1-V voltage

drop if the cable length is 100 m.

Cord Extension

The rise time of each output waveform will increase when the cord is

extended. This affects the phase difference characteristics of

phases A and B.

The rise time varies with the resistance of the cord and the kind of

cord as well as the length of the cord.

The residual output voltage will increase according to the length of

the cord.

Cable length L (m)

VOL

tLH

Residual output voltage V (V)

Output rise time t ( s)

LH m

Conditions

Rotary Encoder: E6B2-CWZ6C (2,000 pulses/revolution)

Load voltage: 5 VDC

Load resistance: 1 kW (The residual output voltages were

measured with a load current of 35 mA.)

Frequency: 100 kHz

Cord: Dedicated cord

Preventing Miscounting

If the operation of the E6B2 Rotary Encoder is stopped near a signal

rising or falling edge, a wrong pulse may be generated, in which

case the E6B2 Rotary Encoder will miscount. In such a case, use an

increment-decrement counter to prevent miscoutning.

Extension of Line Driver Output

Be sure to use a twisted-pair cable to extend a line driver cord. Use

an RS-422A Receiver for the receiver side.

The twisted-pair wires as shown in the following illustration are suit-

able for RS-422A signal transmission. Normal mode noise can be

eliminated by twisting the wires because the generated electrical

forces on the lines cancel each other.

Twisted-pair wires