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Rugged Incremental 50-mm-dia. Rotary Encoder
E6C3-C
CSM_E6C3-C_DS_E_7_2
Rugged Rotary Encoder
• Incremental model
• External diameter of 50 mm.
• Resolution of up to 3,600 ppr.
• IP65 (improved oil-proof construction with sealed
bearings)
• Superior shaft loading performance
(radial: 80 N, thrust: 50 N)
Be sure to read Safety Precautions on
page 4.
Ordering Information
Encoders [Refer to Dimensions on page 4.]
Power supply voltage Output configuration
12 to 24 VDC
Complementary output
5 to 12 VDC
Voltage output
5 to 12 VDC
Line-driver output
Resolution
(pulses/rotation)
100,
200,
300,
360,
500
600,
720,
800
1,000, 1,024, 1,200
1,500, 1,800, 2,000
2,048, 2,500, 3,600
100,
200
300,
360,
500
600,
720,
800
1,000, 1,024, 1,200
1,500, 1,800, 2,000
2,048, 2,500, 3,600
100,
200,
300,
360,
500
600,
720,
800
1,000, 1,024, 1,200
1,500, 1,800, 2,000
2,048, 2,500, 3,600
Connection method
Model
E6C3-CWZ5GH (resolution) 1M
Example: E6C3-CWZ5GH 100P/R 1M
Pre-wired (1 m)
(See note.)
E6C3-CWZ3EH (resolution) 1M
Example: E6C3-CWZ3EH 100P/R 1M
E6C3-CWZ3XH (resolution) 1M
Example: E6C3-CWZ3XH 100P/R 1M
Note: Models with 2-m cable are also available. When ordering, specify the cable length at the end of the model number (example: E6C3-CWZ5GH 300P/R 2M).
Accessories (Order Separately) [Refer to Dimensions on Rotary Encoder Accessories.]
Name
Couplings
Flanges
Servo Mounting Bracket
Model
E69-C08B
E69-C68B
E69-FCA03
E69-FCA04
E69-2
Remarks
--Different end diameter (6 to 8 mm)
--E69-2 Servo Mounting Bracket provided.
Provided with E69-FCA04 Flange.
Refer to Accessories for details.
1
E6C3-C
Ratings and Specifications
Item
Model
E6C3-CWZ5GH
E6C3-CWZ3EH
E6C3-CWZ3XH
Power supply voltage
12 VDC −10% to 24 VDC +15%,
ripple (p-p): 5% max.
Current consumption*1
100 mA max.
Resolution (pulses/rotation)
100, 200, 300, 360, 500, 600, 720, 800, 1,000, 1,024, 1,200, 1,500, 1,800, 2,000, 2,048, 2,500, 3,600
Output phases
Phases A, B, and Z*5
Output configuration
Complementary outputs*2
Output capacity
Output voltage: VH = Vcc = 3 V min.
(IO = 30 mA)
VL = 2 V max.
(IO = −30 mA)
Output current: ±30 mA
Maximum response
frequency*4
125 kHz (65 kHz when using phase Z reset)
Phase difference between
outputs
90°±45° between A and B (1/4 T ± 1/8 T)
Rise and fall times of output
1 μs max.
(Cable length: 2 m, Output current: 30 mA)
Starting torque
10 mN·m max. at room temperature, 30 mN·m max. at low temperature
Phases A, A, B, B, Z, and Z
Voltage output (NPN output)
Line driver output*3
Output resistance: 2 kΩ
Output current: 35 mA max.
Residual voltage: 0.7 V max.
AM26LS31 equivalent
Output current: High level: IO = −10 mA
Low level: IS = 10 mA
Output voltage: VO = 2.5 V min.
VS = 0.5 V max.
1 μs max.
(Cable length: 2 m, Output current: 35
mA)
1 μs max.
(Cable length: 2 m, IO: −10 mA,
IS: 10 mA)
2.0 × 10−6 kg·m2 max.; 1.9 × 10−6 kg·m2 max. at 500 P/R max.
Moment of inertia
Shaft loading
5 VDC −5% to 12 VDC +10%,
ripple (p-p): 5% max.
Radial
80 N
Thrust
50 N
Maximum permissible speed 5,000 r/min
Protection circuits
Output load short-circuit protection
Ambient temperature range
Operating: −10 to 70°C (with no icing), Storage: −25 to 85°C (with no icing)
---
Ambient humidity range
Operating/Storage: 35% to 85% (with no condensation)
Insulation resistance
20 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength
500 VAC, 50/60 Hz for 1 min between current-carrying parts and case
Vibration resistance
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
Shock resistance
Destruction: 1,000 m/s2 3 times each in X, Y, and Z directions
Degree of protection
IEC 60529 IP65, in-house standards: oilproof
Connection method
Pre-wired Models (Standard cable length: 1 m)
Material
Case: Aluminum, Main unit: Aluminum, Shaft: SUS303
Weight (packed state)
Approx. 300 g
Accessories
Instruction manual Note: Coupling, mounting bracket and hex-head spanner are sold separately.
*1. An inrush current of approximately 9 A will flow for approximately 0.1 ms when the power is turned ON.
*2. Complementary Output
Power
E6C3-CWZ5GH
supply
The complementary output has two output
transistors (NPN and PNP) as shown below. These
NPN
two output transistors alternately turn ON and OFF
transistor
depending on the high or low output signal. When
OUT
Signal
using them, pull up to the positive power supply
voltage level or pull down to 0 V. The
PNP
complementary output allows flow-in or flow-out of
transistor
the output current and thus the rising and falling
0V
speeds of signals are fast. This allows a long cable
distance. They can be connected to open-collector
input devices (NPN, PNP).
*3. The line driver output is a data transmission circuit compatible with RS-422A and long-distance transmission is possible with a twisted-pair cable. (AM26LS31
equivalent)
*4. The maximum electrical response speed is determined by the resolution and maximum response frequency as follows:
Maximum response frequency
Maximum electrical response speed (rpm) =
× 60
Resolution
This means that the Rotary Encoder will not operate electrically if its speed exceeds the maximum electrical response speed.
*5. The phase Z signal is output when cut face D on the shaft and the cable connection direction are as shown in the following diagram (output position range: ±15°).
120˚
Cut face D
120˚
40 dia.
2
E6C3-C
I/O Circuit Diagrams
Model/Output Circuits
Output mode
Connection
E6C3-CWZ5GH
Brown
7.5 Ω
30mA
max.
E6C3-C
main
circuit
12 VDC -10% to
24 VDC +15%
Black, white, orange
Output signal
24 Ω
(Black: phase A, White:
phase
B,
Orange:
phase Z)
30 mA
max.
Blue
0V
Shield
GND
7.5 Ω
Brown
2k Ω
NPN
transistor
7.5 Ω
35mA
max.
Direction of rotation: CW
(as viewed from end of shaft)
T(360˚)
H
L
H
Phase B
L
H
Phase Z
L
Phase A
E6C3-CWZ3EH
E6C3-C
main
circuit
E6C3-CWZ3EH Voltage Output Model
E6C3-CWZ5GH Complementary Output Model
5 VDC -5% to
12 VDC +10%
Black, white, orange
Output signal
(Black: phase A,
White: phase B,
Orange: phase Z)
Blue
Shield
0V
Direction of rotation: CCW
(as viewed from end of shaft)
CW
T(360˚)
H
L
H
Phase B
L
1/4±1/8T (90˚±45˚)
H
Phase Z
L
Phase A
Note: Phase A is 1/4 T ± 1/8 T
faster than phase B.
Terminal
Power supply (+Vcc)
Output phase A
Output phase B
Output phase Z
0 V (common)
Color
Brown
Black
White
Orange
Black/red
stripes
White/red
stripes
Orange/
red
stripes
Blue
Terminal
Power supply (+Vcc)
Output phase A
Output phase B
Output phase Z
Note: Phase A is 1/4 T ± 1/8 T
slower than phase B.
“H” and “L” in the diagrams are the output voltage
levels of phases A, B, and Z.
E6C3-CWZ3XH Line Driver Output Model
Direction of rotation: CW
(as viewed from end of shaft)
Brown
AM26
LS31
equivalent
1/4±1/8T (90˚±45˚)
Color
Brown
Black
White
Orange
Blue
GND
E6C3-CWZ3XH
E6C3-C
main
circuit
CCW
5 VDC -5% to
12 VDC+10%
Black, white,
orange
Non-reversed output
(Black: phase A,
White: phase B,
Orange: phase Z)
Black, white, orange
(with red stripe)
Reversed output
(Black/red: phase A,
White/red: phase B,
orange/red: phase Z)
Blue
0V
Shield
GND
T(360˚)
Phase A
Phase B
Phase Z
L
H
Phase A
L
Phase B
Phase Z
CW
H
L
H
L
H
Direction of rotation: CCW
(as viewed from end of shaft)
T(360˚)
Phase A
H
L
H
Phase B
L
1/4±1/8T (90˚±45˚)
H
Phase Z
L
H
Phase A
L
H
L
H
L
Note: Phase A is 1/4 T ± 1/8 T
faster than phase B.
Phase B
Phase Z
CCW
1/4±1/8T (90˚±45˚)
H
L
H
L
Note: Phase A is 1/4 T ± 1/8 T
slower than phase B.
“H” and “L” in the diagrams are the output voltage
levels of phases A, B, and Z.
Output phase A
Output phase B
Output phase Z
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
E6C3-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 Correct Use
Do not use the Encoder under ambient conditions that exceed the
ratings.
● Wiring
Connections
Cable Extension Characteristics
• When the cable length is extended, the output waveform startup
time is lengthened and it affects the phase difference
characteristics of phases A and B. Conditions will change
according to frequency, noise, and other factors. As a guideline,
use a cable length of 10 m* or less. If the cable must be more than
10 m, use a Model with a Line-driver Output or Complementary
Output.
(max. length for line-driver output: 100 m,
max. length for complementary output: 30 m)
* Recommended Cable
Conductor cross section: 0.2 mm2
Spiral shield
Conductor resistance: 92 Ω/km max. (20°C)
Insulation resistance: 5 Ω/km min. (20°C)
• The output waveform startup time changes not only according to
the length of the cable, but also according to the load resistance
and the cable type.
• Extending the cable length not only changes the startup time, but
also increases the output residual voltage.
● Connection
Spurious pulses may be generated when power is turned ON and
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
device at least 0.1 s before turning OFF the power to the Encoder.
Also, turn ON the power to the load only after turning ON the power
to the Encoder.
(Unit: mm)
Dimensions
Tolerance class IT16 applies to dimensions in this datasheet unless otherwise specified.
Encoder
E6C3-CWZ@@H
(58)
Cut face D: Phase Z position (±15˚)
40±0.1 dia.
38
20
(15)
10
120˚±0.1
5
1
dia.
8 +0
-0.018
12 dia.
1
+0
dia.
30 -0.021
50 dia.
Three, M4
holes;
Depth: 5 mm 120˚±0.1
6
10
The E69-C08B Coupling is sold separately.
8.8
6
5-dia. oil-resistant PVC-insulated shielded cable with 5
conductors (line driver: 8 conductors) (Conductor cross section:
0.2 mm2, Insulator diameter: 1.1 mm), Standard length: 1 m
Accessories (Order Separately)
Couplings
E69-C08B
E69-C68B
Flanges
E69-FCA03
E69-FCA04
Servo Mounting Bracket
E69-2
Refer to Accessories for details.
4
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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.
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for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron
disclaims all other warranties, express or implied.
(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER
ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the
Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at
Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or
replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount
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electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice,
recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above
warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
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WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
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Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
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with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
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AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.
Programmable Products.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence
thereof.
Performance Data.
Data presented in Omron Company websites, catalogs and other materials 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 user must correlate
it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
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 part numbers when published ratings or features are changed, or when significant construction changes are
made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers
may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at
any time to confirm actual specifications of purchased Product.
Errors and Omissions.
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.
2016.2
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 2016 All Right Reserved.
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