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PDF E6C2-C Data sheet ( Hoja de datos )
| Número de pieza | E6C2-C | |
| Descripción | Incremental Rotary Encoder | |
| Fabricantes | Omron Electronics | |
| Logotipo |  |
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R
Incremental Rotary Encoder
Industrial Strength Encoder Meets
World-Class Standards
H Drip-proof construction
H Shaft withstands heavy loads, 5 kgf
radially, 3 kgf thrust (axially)
H Short circuit protection
H Space-saving, A-slant cable protrusion
for ease of mounting
E6C2-C
Ordering Information
Supply voltage
5 to 24 VDC
5 to 12 VDC
5 VDC
12 to 24 VDC
Output
configuration
NPN open
collector output
Voltage output
Line driver output
PNP open
collector output
Resolution (P/R)
10, 20, 30, 40, 50, 60, 100, 200, 300, 360, 400, 500, 600,
1,000, 1,200, 1,500, 1,800, 2,000
100, 200, 360, 500, 600, 1,000, 2,000
Part number
E6C2-CWZ6C
E6C2-CWZ3E
E6C2-CWZ1X
E6C2-CWZ5B
Note: The power supply for the resolutions of 1,000, 1,200, 1,500, 1,800, and 2,000 is 12 to 24 VDC.
J ACCESSORIES (ORDER SEPARATELY)
Item
Coupling
Flange
Servo mounting bracket
Description
---
Incorporates ends different to each other in diameter
Metal construction
---
---
Provided with the E69-FCA02 flange
Part number
E69-C06B
E69-C68B
E69-C06M
E69-FCA
E69-FCA-02
E69-2
1 page  
E6C2-C
E6C2-C
J OUTPUT PROTECTION CIRCUIT
The E6C2-C with open collector or voltage output incorporates a circuit protecting the E6C2-C from damage resulting from load short-circuiting
or wiring the output wrong.
J ORIGIN INDICATION
It is easy to adjust the position of phase Z with the origin indication function. The illustration below on the left side shows the relationship be-
tween phase Z and the origin. Set cut face D to the origin as shown in the illustration on the right.
Origin of phase Z
Origin
D cut
38 dia.
J 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 E6C2-C Rotary Encoder.
R1 (E–V)
Number of counters (N) =
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
R2
+V
0V
+E
Dimensions
Unit: mm (inch)
J E6C2-C
Encoder output stage
R1
Counter
R1
Counter
Connectable
number: N
Origin of phase Z Three, M4 holes
Depth: 7 mm
1.6
6
0
–0.021
dia.
(0.24
+0
–.0008
)
50 dia.
(1.97)
1
60
(2.36)
15 5
40
10 (1.57)
38 dia.
25
0
–0.021
dia.
(0.98+0
)
–0.0008
6.59
(0.26)
(See Note.)
Note: 2-m-long, PVC code, 5-dia. (18/0.12 dia.) five conductors
and shield (eight conductors for line driver use)
5
5 Page 
E6C2-C
E6C2-C
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.
Part number
E69-C06B
E69-C06M
Maximum insertion length
5.5 mm (0.22)
8.5 mm (0.33)
3. Secure the coupling.
Part number
E69-C06B
E69-C06M
Tightening torque
2.5 kgf S cm (0.25 N S m)
0.18 ft lbf
7 kgf S cm (0.7 N S m) 0.52 ft lbf
4. Connect the power and I/O lines.
Be sure to turn off the Rotary Encoder when connecting the
lines.
5. Turn on the Rotary Encoder and check the output.
J CONNECTING
• When extending the cable, select the type carefully. You must
consider the response frequency because the longer the cable
is, the more the residual voltage increases due to the
resistance of the cable and the capacitance between the
wires. As a result, the waveform will be distorted.
• We recommend the line driver output type model if the cable
needs to be extended.
• In order to reduce inductive noise, the cable must be as short
as possible, especially when the signal is input to an IC.
• Insert a surge absorber between the power supply terminals if
a possibility of surge exists.
• A wrong pulse may be generated when the E6C2-C Rotary
Encoder is turned on or off. Do not use the connected device
for 0.1 s after the E6C2-C Rotary Encoder is turned on and for
0.1 s before the E6C2-C Rotary Encoder is turned off.
Cable Extension
• The rise time of each output waveform will increase when the
cable is extended. This affects the phase difference
characteristics of phases A and B.
• The available length of cable varies with the response
frequency and noise. It is safer to limit the length of cable to
10 m maximum. If a longer cable of up to 100 m is required,
use line driver output.
Note: Recommended cable:
Cross section: 0.2 mm2 with spiral shield
Conductor resistance: 92 Ω/km max. at 20°C
Insulation resistance: 5 MΩ/km min. at 20°C
• The rise time varies with the resistance of the cable and the
type and length of the cable.
• The residual output voltage will increase according to the
length of the cable.
Cable length L (m)
Conditions
Rotary Encoder: E6C2-CWZ6C
Load voltage: 5 VDC
Load resistance: 1 kΩ (The residual output voltages were mea-
sured with a load current of 35 mA.)
Cable:
Dedicated cable
J PREVENTING MISCOUNTING
• If the operation of the E6C2-C Rotary Encoder is stopped near
a signal rising or falling edge, a wrong pulse may be
generated, causing the E6C2-C Rotary Encoder to miscount.
In this case, use an increment-decrement counter to prevent
miscounting.
J EXTENSION OF LINE DRIVER OUTPUT
• Be sure to use a twisted-pair cable to extend a line driver
cable. Use an RS-422A receiver for the receiver side.
• The twisted-pair wires as shown in the following illustration are
suitable 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.
EE
Twisted-pair wires
EE
• Be sure the E6C2-C Rotary Encoder is supplied with 5 VDC
when a line driver output is used. There will be approximately
a 1-V voltage drop if the cable length is 100 m.
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet E6C2-C.PDF ] | |
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