Incremental 40-mm-dia. Rotary Encoder
E6B2-C
CSM_E6B2-C_DS_E_3_1
General-purpose Encoder with
Diameter of 40 mm
• A wide operating voltage range of 5 to 24 VDC (Open-collector
Models).
• Resolution of 2,000 pules/rotation in 40-mm housing.
• Phase Z can be adjusted with ease using the origin indicating
function.
• Shaft loading of 30 N radial and 20 N thrust.
• Improved reliability with reverse connection and load short-circuit
protection (except for line-driver outputs).
Be sure to read Safety Precautions on
page 4.
Ordering Information
Encoders [Refer to Dimensions on page 4.]
Power supply Output configura- Resolution (pulses/rotation) Model
voltage tion
10, 20, 30, 40, 50, 60, 100, 200, 300, 360, 400, 500, 600
5 to 24 VDC NPN open-collector 720, 800, 1,000, 1,024 E6B2-CWZ6C (resolution) 0.5M
output Example: E6B2-CWZ6C 10P/R 0.5M
1,200, 1,500, 1,800, 2,000
100, 200, 360, 500, 600
12 to 24 VDC PNP open-collector 1,000 E6B2-CWZ5B (resolution) 0.5M
output Example: E6B2-CWZ5B 100P/R 0.5M
2,000
10, 20, 30, 40, 50, 60, 100, 200, 300, 360, 400, 500, 600
5 to 12 VDC Voltage output 1,000 E6B2-CWZ3E (resolution) 0.5M
Example: E6B2-CWZ3E 10P/R 0.5M
1,200, 1,500, 1,800, 2,000
10, 20, 30, 40, 50, 60, 100, 200, 300, 360, 400, 500, 600
5 VDC Line-driver output 1,000, 1,024 E6B2-CWZ1X (resolution) 0.5M
Example: E6B2-CWZ1X 10P/R 0.5M
1,200, 1,500, 1,800, 2,000
Accessories (Order Separately) [Refer to Dimensions on Rotary Encoder Accessories.]
Name Model Remarks
E69-C06B Provided with the product.
Couplings E69-C68B Different end diameter
E69-C610B Different end diameter
E69-C06M Metal construction
Flanges E69-FBA ---
E69-FBA02 E69-2 Servo Mounting Bracket provided.
Servo Mounting Bracket E69-2 ---
Refer to Accessories for details.
1
E6B2-C
Ratings and Specifications
Item Model E6B2-CWZ6C E6B2-CWZ5B E6B2-CWZ3E E6B2-CWZ1X
Power supply 5 VDC −5% to 24 VDC 12 VDC −10% to 24 VDC 5 VDC −5% to 12 VDC 5 VDC ±5%, ripple (p-p):
voltage +15%, ripple (p-p): 5% max. +15%, ripple (p-p): 5% max. +10%, ripple (p-p): 5% max. 5% max.
Current 80 mA max. 100 mA max. 160 mA max.
consumption *1
10, 20, 30, 40, 50, 60, 100, 10, 20, 30, 40, 50, 60, 100, 10, 20, 30, 40, 50, 60, 100,
Resolution 200, 300, 360, 400, 500, 600, 100, 200, 360, 500, 600, 200, 300, 360, 400, 500, 600, 200, 300, 360, 400, 500, 600,
(pulses/rotation) 720, 800, 1,000, 1,024, 1,000, 2,000 1,000, 1,200, 1,500, 1,800, 1,000, 1,024, 1,200, 1,500,
1,200, 1,500, 1,800, 2,000 2,000 1,800, 2,000
Output phases Phases A, B, and Z Phases A, A, B, B, Z, and Z
Phase difference 90°±45° between A and B (1/4 T ± 1/8 T)
between outputs
Output NPN open-collector output PNP open-collector output Voltage output (NPN output) Line driver output *2
configuration
AM26LS31 equivalent
Applied voltage: 30 VDC Applied voltage: 30 VDC Output resistance: 2 kΩ Output current
max. max. Sink current: 20 mA max. High level: IO = −20 mA
Output capacity Sink current: 35 mA max. Source current: 35 mA max. Residual voltage: 0.4 V max. Low level: IS = 20 mA
Residual voltage: 0.4 V max. Residual voltage: 0.4 V max. (at sink current of 20 mA) Output voltage:
(at sink current of 35 mA) (at source current of 35 mA) VO = 2.5 V min.
VS = 0.5 V max.
Maximum
response 100 kHz 50 kHz 100 kHz
frequency *3
1 µs max. (Control output 0.1 µs max. (Cable length:
Rise and fall times voltage: 5 V, Load resis- 1 µs max. (Cable length: 2 m max., Sink current: 10 mA) 2 m max., IO = −20 mA, IS =
of output tance: 1 kΩ, Cable length: 20 mA)
2 m max.)
Starting torque 0.98 mN·m max.
Moment of inertia 1×10−6 kg·m2 max.; 3 × 10−7 kg·m2 max. at 600 P/R max.
Shaft Radial 30 N
load- Thrust 20 N
ing
Maximum 6,000 r/min
permissible speed
Protection circuits Power supply reverse polarity protection, Load short-circuit protection ---
Ambient Operating: −10 to 70°C (with no icing), Storage: −25 to 85°C (with no icing)
temperature range
Ambient humidity Operating/Storage: 35% to 85% (with no condensation)
range
Insulation 20 MΩ min. (at 500 VDC) between current-carrying parts and case
resistance
Dielectric strength 500 VAC, 50/60 Hz for 1 min between current-carrying parts and case
Vibration Destruction: 10 to 500 Hz, 150 m/s2 or 2-mm double amplitude for 11 min 3 times each in X, Y, and Z directions
resistance
Shock resistance Destruction: 1,000m/s2 3 times each in X, Y, and Z directions
Degree of IEC 60529 IP50
protection
Connection Pre-wired Models (Standard cable length: 500 mm)
method
Materials Case: ABS, Main unit: Aluminum, Shaft: SUS420J2
Weight Approx. 100 g
(packed state)
Accessories Coupling, Hexagonal wrench, Instruction manual
*1. An inrush current of approximately 9 A will flow for approximately 0.3 ms when the power is turned ON.
*2. The line driver output is a data transmission circuit compatible with RS-422A and long-distance transmission is possible with a twisted-pair cable. The quality is
equivalent to AM26LS31.
*3. The maximum electrical response speed is determined by the resolution and maximum response frequency as follows:
Maximum electrical response speed (rpm) = Maximum response frequency × 60
Resolution
This means that the E6B2-C Rotary Encoder will not operate electrically if its speed exceeds the maximum electrical response speed.
2
E6B2-C
I/O Circuit Diagrams
Model/Output Circuits Output mode Connection
E6B2-CWZ6C
Brown 5 VDC -5% to
24 VDC +15%
Black, white, orange E6B2-CWZ6C NPN Open-collector Output Model
E6B2 NPN Output signal E6B2-CWZ5B PNP Open-collector Output Model
main transistor (Black: phase A, White:
circuit 35 mA phase B, Orange: phase Direction of rotation: CW Direction of rotation: CCW
max. at Z)
3.3 Ω 30 VDC (as viewed from end of shaft) (as viewed from end of shaft)
max. Blue 0V
Shield T(360˚) CW T(360˚) CCW
GND
Phase A ON Phase A ON
OFF OFF
E6B2-CWZ5B Phase B ON Phase B ON Color Terminal
OFF 1/4±1/8T (90˚±45˚) OFF 1/4±1/8T (90˚±45˚)
Brown Phase Z ON Phase Z ON Brown Power supply
12 VDC −10% to OFF OFF (+Vcc)
24 VDC +15%
3.3 Ω Note: Phase A is 1/4 T ± 1/8 T Note: Phase A is 1/4 T ± 1/8 T Output phase
35 mA faster than phase B. slower than phase B. Black A
E6B2 max. The ONs in the above
main timing chart mean that the White Output phase
circuit Black, white, orange B
Output signal output transistor is ON
PNP (Black: phase A, White: phase B, and the OFFs mean that Output phase
transistor Orange: phase Z) Orange
Blue 0V the output transistor is Z
Shield OFF. Blue 0 V (common)
GND
E6B2-CWZ3E
E6B2-CWZ3E Voltage Output Model
Direction of rotation: CW Direction of rotation: CCW
Brown (as viewed from end of shaft) (as viewed from end of shaft)
5 VDC −5% to
2 kΩ 12 VDC +10% CW CCW
Black, white, orange T(360˚) T(360˚)
Output signal Phase A H Phase A H
E6B2 NPN (Black: phase A, White: phase L L
main transistor B, Orange: phase Z) H H
circuit Phase B Phase B
20 mA L 1/4±1/8T(90˚±45˚) L 1/4±1/8T(90˚±45˚)
3.3 Ω max. H H
Blue Phase Z Phase Z
0V L L
Shield GND
Note: Phase A is 1/4 T ± 1/8 T Note: Phase A is 1/4 T ± 1/8 T
faster than phase B. slower than phase B.
E6B2-CWZ1X
E6B2-CWZ1X Line Driver Output Model Color Terminal
Brown Power supply
Direction of rotation: CW Direction of rotation: CCW (+Vcc)
(as viewed from end of shaft) (as viewed from end of shaft) Black Output phase
A
Brown T(360˚) CW T(360˚) CCW Black/red Output phase
5 VDC ±5% stripes A
Black, white, Phase A H Phase A H
orange Non-reversed output L L White Output phase
E6B2 AM26 (Black: phase A, White: phase B, H H B
main LS31 Orange: phase Z) Phase B L Phase B L
equivalent Black, white, orange White/red Output phase
circuit (with red stripe) Reversed output H 1/4±1/8T (90˚±45˚) H 1/4±1/8T (90˚±45˚)
(Black/red: Phase A, White/red: Phase Z Phase Z stripes B
Phase B, Orange/red: Phase Z) L L
Blue 0V H H Output phase
Shield Phase A L Phase A L Orange Z
GND H H
Phase B L Phase B L Orange/ Output phase
H H red Z
Phase Z L Phase Z L stripes
Blue 0 V (common)
Note: Receiver: AM26LS32
equivalent
Note: 1. The shielded cable outer core (shield) is not connected to the inner area or to the case.
2. The phase A, phase B, and phase Z circuits are all identical.
3. Normally, connect GND to 0 V or to an external ground.
3
E6B2-C
Safety Precautions
Refer to Warranty and Limitations of Liability.
WARNING
This product is not designed or rated for ensuring
safety of persons either directly or indirectly.
Do not use it for such purposes.
Precautions for Safe Use
Incorrect wiring may damage internal circuits.
Precautions for Correct Use
Do not use the Encoder under ambient conditions that exceed the
ratings.
● Mounting
• Origin Indication • Do not extend the length of the cable to more than 2 m. If the cable
It is easy to adjust the position of phase Z with the origin indication must be more than 2 m, use a Model with a Line-driver Output
function. The following illustration shows the relationship between (max. length: 100 m).
phase Z and the origin. Set cut face D to the phase Z origin as ● Wiring
shown in the illustration. Spurious pulses may be generated when power is turned ON and
Phase Z origin OFF. Wait at least 0.1 s after turning ON the power to the Encoder
before using the connected device, and stop using the connected
Origin device at least 0.1 s before turning OFF the power to the Encoder.
120˚ 120˚ Also, turn ON the power to the load only after turning ON the power
Cut face D to the Encoder.
30±0.2 dia.
(Unit: mm)
Dimensions Tolerance class IT16 applies to dimensions in this datasheet unless otherwise specified.
Encoder
E6B2-C Three, M3 holes;
Origin of phase Z Depth: 7 mm 15 5 39
10
120˚ 120˚ 6-00.012 dia.
0
40 dia. -0.021 1
20 dia.
30±0.2 dia. 7.5
*E6B2-CWZ6C/5B/3E:
5-dia. vinyl-insulated round cable with 5 conductors
(Conductor cross section: 0.2 mm2, Insulation *
diameter: 1.0 mm), Standard length: 0.5 m 8
E6B2-CWZ1X:
5-dia. vinyl-insulated round cable with 8 conductors
(Conductor cross section: 0.2 mm2, Insulation
diameter: 1.0 mm), Standard length: 0.5 m
Accessories (Order Separately)
Couplings Flanges Servo Mounting Bracket
E69-C06B E69-FBA E69-2
E69-C68B E69-FBA02
E69-C610B
E69-C06M
Refer to Accessories for details.
4
Read and Understand This Catalog
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or
comments.
Warranty and Limitations of Liability
WARRANTY
OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified)
from date of sale by OMRON.
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR
FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS
DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS
IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT
LIABILITY.
In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted.
IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS
OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT
SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.
Application Considerations
SUITABILITY FOR USE
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's
application or use of the products.
At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the
products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product,
machine, system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible
uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:
• Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog.
• Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles,
safety equipment, and installations subject to separate industry or government regulations.
• Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products.
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE
SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND
INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.
Disclaimers
CHANGE IN SPECIFICATIONS
Product specifications and accessories may be changed at any time based on improvements and other reasons.
It is our practice to change model numbers when published ratings or features are changed, or when significant construction changes are made.
However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or
establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual
specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.
PERFORMANCE DATA
Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the
result of OMRON’s test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON
Warranty and Limitations of Liability.
ERRORS AND OMISSIONS
The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical,
typographical, or proofreading errors, or omissions.
2008.11
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2008 All Right Reserved.
Mouser Electronics
Authorized Distributor
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E6B2-CWZ6C 1000P/R 0.5M
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