Rotary Encoder Explanation of Terms
Resolution
The pulse count of an incremental signal
output when the shaft revolves once, or the absolute address count.
Output Phase
The output signal count for an Incremental
Encoder. There are 1-phase models (phase A), 2-phase models (phase A,
phase B), and 3-phase models (phase A, phase B, and phase Z). The phase Z
is an origin signal that is output once a revolution.
Output Phase Difference
When the shaft is rotated, this is the time
difference between the rise or fall of the phase A and phase B signals,
expressed as a proportion of the period of one signal, or as an electrical
angle where one signal period equals 360°.
The difference between phase A and phase B as an electrical angle is
normally 90°.
CW
The clockwise direction of rotation. Viewed
from the end of the shaft, the shaft rotates clockwise. With an
Incremental Encoder, phase A normally leads phase B in this rotation
direction. With an Absolute Encoder, this is the direction of code
increase.
The reverse of CW rotation is counterclockwise (CCW) rotation.
Output Duty Ratio
This is the ratio of the duration of high
level during one period to the average period of pulse output when the
shaft is rotated at a constant speed.
Maximum Response Frequency
The maximum frequency at which the signal
can respond.
Rise and Fall Times of Output
The elapsed time from a 10% to 90% change in
the output pulse.
Output Circuit
(1) Open-collector Output
An output circuit where the emitter of the output circuit transistor is
the common and the collector is open.
(2) Voltage Output
An output circuit where the emitter of the output circuit transistor is
the common and a resistor is inserted between the collector and the power
supply to convert the output from the collector to a voltage.
(3) Line-driver Output
An output method that uses a special IC for high-speed, long-distance data
transmission that complies with the RS-422A standard. The signal is output
as a differential secondary signal, and thus is strong with respect to
noise.
A special IC called a line receiver is used to receive the signal output
from a line driver.
(4) Complementary Output
An output circuit with two output transistors (NPN and PNP) on the output.
These two output transistors alternately turn ON and OFF depending on the
high or low output signal. When using them, pull up to the positive power
supply voltage level or pull down to 0 V.
The complementary output allows flow-in or flow-out of the output current
and thus the rising and falling speeds of signals are fast.
This allows a long cable distance.
They can be connected to open-collector input devices (NPN, PNP).
Starting Torque
The torque needed to rotate the shaft of the
Rotary Encoder at startup.
The torque during normal rotation is normally lower than the starting
torque. A shaft that has a waterproof seal has a higher starting torque.
Moment of Inertia
This expresses the magnitude of inertia when
starting and stopping the Rotary Encoder.
Shaft Capacity
This is the load that can be applied to the
shaft. The radial load is the load that is perpendicular to the shaft, and
the thrust load is the load in the direction along the shaft. Both are
permitted on the shaft during rotation, and the size of the load affects
the life of the bearings.
Ambient Operating Temperature
The ambient temperature that meets the
specifications, consisting of the permitted values for the external air
temperature and the temperature of the parts that contact the Rotary
Encoder.
Ambient Storage Temperature
The ambient temperature when the power is
OFF that does not cause functional deterioration, consisting of the
permitted values for the external air temperature and the temperature of
the parts that contact the Rotary Encoder.
Degree of Protection
The level of protection against penetration
of foreign objects from outside the Rotary Encoder. This is defined in the
IEC60529 standard and expressed as IPXX.
The degree of protection against oil is specified by OMRON standards, and
is expressed as oil-proof construction or oil resistance.
Absolute Code
(1) Binary Code
A pure binary code, expressed in the format 2n. Multiple bits may change
when an address changes.
(2) Gray Code
A code in which only one bit changes when an address changes.
The code plate of the Rotary Encoder uses Gray Code.
(3) Remainder Gray Code
This code is used when expressing resolutions with Gray Code that are not
2n, such as 36, 360, and 720. The nature of Gray Code is such that when
the most significant bit of the code changes from 0 to 1 and the same size
of area is used for both the larger value and the smaller value of
objects, the signal only changes by 1 bit within this range when changing
from the end to the beginning of a code.
This enables any resolution that is an even number to be set with Gray
Code. In this case, the code does not begin from 0, but from an
intermediate code, and thus when actually using a code it must first be
shifted so that it starts from 0.
The example in the code table shows 36 divisions. For the change from
address 31 to 32, the code extends from address 14 to 49 when 18 addresses
each are taken for the objects. When changing from address 49 to 14, only
one bit changes, and we can see that the characteristic of Gray Code is
preserved. By shifting the code 14 addresses, it can be converted to a
code that starts from address 0.
(4) BCD
Binary Coded Decimal Code.
Each digit of a decimal number is expressed using a binary value.
Serial Transmission
In contrast to parallel transmission where
multiple bits of data are simultaneously output, this method outputs data
serially on a single transmission line, enabling the use of fewer wires.
The receiving device converts the signals into parallel signals.
Hollow Shaft
The rotating shaft is hollow, and the drive
shaft can be directly connected to the hole in the hollow shaft to reduce
the length along the direction of the shaft. A leaf spring is used as a
buffer to absorb vibration from the drive shaft.
Metal Disk
The rotating slit disk in the Encoder is
made of metal for higher shock tolerance than glass. Due to slit machining
limitations, the metal disk cannot be used for high-resolution
applications.
Servo Mount
A method of mounting the Encoder in which a
Servo Mounting Bracket is used to clamp down the flange of the Encoder.
The position of the Encoder in the direction of rotation can be adjusted,
and thus this method is used to temporarily mount the Encoder to adjust
the origin. Refer to Accessories.
Absolute Code
Table
|
Decimal |
Binary |
Gray |
Gray remainder 14 |
BCD |
|
10 |
1 |
|
0 |
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
0 |
0 |
0 |
0 |
0 |
0 |
0 | |
1 |
|
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
|
|
0 |
0 |
0 |
0 |
0 |
0 |
1 | |
2 |
|
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
|
|
0 |
0 |
0 |
0 |
0 |
1 |
0 | |
3 |
|
0 |
0 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
|
|
0 |
0 |
0 |
0 |
0 |
1 |
1 | |
4 |
|
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
|
|
0 |
0 |
0 |
0 |
1 |
0 |
0 | |
5 |
|
0 |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
1 |
1 |
1 |
|
|
0 |
0 |
0 |
0 |
1 |
0 |
1 | |
6 |
|
0 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
|
|
0 |
0 |
0 |
0 |
1 |
1 |
0 | |
7 |
|
0 |
0 |
1 |
1 |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
|
|
0 |
0 |
0 |
0 |
1 |
1 |
1 | |
8 |
|
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
0 |
|
|
0 |
0 |
0 |
1 |
0 |
0 |
0 | |
9 |
|
0 |
1 |
0 |
0 |
1 |
0 |
0 |
1 |
1 |
0 |
1 |
|
|
0 |
0 |
0 |
1 |
0 |
0 |
1 | |
10 |
|
0 |
1 |
0 |
1 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
|
|
0 |
0 |
1 |
0 |
0 |
0 |
0 | |
11 |
|
0 |
1 |
0 |
1 |
1 |
0 |
0 |
1 |
1 |
1 |
0 |
|
|
0 |
0 |
1 |
0 |
0 |
0 |
1 | |
12 |
|
0 |
1 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
0 |
|
|
0 |
0 |
1 |
0 |
0 |
1 |
0 | |
13 |
|
0 |
1 |
1 |
0 |
1 |
0 |
0 |
1 |
0 |
1 |
1 |
|
|
0 |
0 |
1 |
0 |
0 |
1 |
1 | |
14 |
|
0 |
1 |
1 |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
0 |
0 | |
15 |
|
0 |
1 |
1 |
1 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
1 | |
16 |
|
1 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
1 |
0 |
1 |
1 |
0 | |
17 |
|
1 |
0 |
0 |
0 |
1 |
0 |
1 |
1 |
0 |
0 |
1 |
0 |
3 |
0 |
0 |
1 |
0 |
1 |
1 |
1 | |
18 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
1 |
1 |
0 |
1 |
1 |
0 |
4 |
0 |
0 |
1 |
1 |
0 |
0 |
0 | |
19 |
0 |
1 |
0 |
0 |
1 |
1 |
0 |
1 |
1 |
0 |
1 |
0 |
0 |
5 |
0 |
0 |
1 |
1 |
0 |
0 |
1 | |
20 |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
0 |
0 |
6 |
0 |
1 |
0 |
0 |
0 |
0 |
0 | |
21 |
0 |
1 |
0 |
1 |
0 |
1 |
0 |
1 |
1 |
1 |
1 |
1 |
0 |
7 |
0 |
1 |
0 |
0 |
0 |
0 |
1 | |
22 |
0 |
1 |
0 |
1 |
1 |
0 |
0 |
1 |
1 |
1 |
0 |
1 |
0 |
8 |
0 |
1 |
0 |
0 |
0 |
1 |
0 | |
23 |
0 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
0 |
0 |
9 |
0 |
1 |
0 |
0 |
0 |
1 |
1 | |
24 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 | |
25 |
0 |
1 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
0 |
0 |
1 |
0 |
1 | |
26 |
0 |
1 |
1 |
0 |
1 |
0 |
0 |
1 |
0 |
1 |
1 |
1 |
1 |
2 |
0 |
1 |
0 |
0 |
1 |
1 |
0 | |
27 |
0 |
1 |
1 |
0 |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
0 |
1 |
3 |
0 |
1 |
0 |
0 |
1 |
1 |
1 | |
28 |
0 |
1 |
1 |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
1 |
4 |
0 |
1 |
0 |
1 |
0 |
0 |
0 | |
29 |
0 |
1 |
1 |
1 |
0 |
1 |
0 |
1 |
0 |
0 |
1 |
1 |
1 |
5 |
0 |
1 |
0 |
1 |
0 |
0 |
1 | |
30 |
0 |
1 |
1 |
1 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
1 |
6 |
0 |
1 |
1 |
0 |
0 |
0 |
0 | |
31 |
0 |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
7 |
0 |
1 |
1 |
0 |
0 |
0 |
1 | |
32 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
1 |
8 |
0 |
1 |
1 |
0 |
0 |
1 |
0 | |
33 |
1 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
0 |
0 |
0 |
1 |
1 |
9 |
0 |
1 |
1 |
0 |
0 |
1 |
1 | |
34 |
1 |
0 |
0 |
0 |
1 |
0 |
1 |
1 |
0 |
0 |
1 |
1 |
2 |
0 |
0 |
1 |
1 |
0 |
1 |
0 |
0 | |
35 |
1 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
0 |
0 |
1 |
0 |
2 |
1 |
0 |
1 |
1 |
0 |
1 |
0 |
1 | |
36 |
1 |
0 |
0 |
1 |
0 |
0 |
1 |
1 |
0 |
1 |
1 |
0 |
2 |
2 |
0 |
1 |
1 |
0 |
1 |
1 |
0 | |
37 |
1 |
0 |
0 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
2 |
3 |
0 |
1 |
1 |
0 |
1 |
1 |
1 | |
38 |
1 |
0 |
0 |
1 |
1 |
0 |
1 |
1 |
0 |
1 |
0 |
1 |
2 |
4 |
0 |
1 |
1 |
1 |
0 |
0 |
0 | |
39 |
1 |
0 |
0 |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
0 |
0 |
2 |
5 |
0 |
1 |
1 |
1 |
0 |
0 |
1 | |
40 |
1 |
0 |
1 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
0 |
0 |
2 |
6 |
1 |
0 |
0 |
0 |
0 |
0 |
0 | |
41 |
1 |
0 |
1 |
0 |
0 |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
2 |
7 |
1 |
0 |
0 |
0 |
0 |
0 |
1 | |
42 |
1 |
0 |
1 |
0 |
1 |
0 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
8 |
1 |
0 |
0 |
0 |
0 |
1 |
0 | |
43 |
1 |
0 |
1 |
0 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
0 |
2 |
9 |
1 |
0 |
0 |
0 |
0 |
1 |
1 | |
44 |
1 |
0 |
1 |
1 |
0 |
0 |
1 |
1 |
1 |
0 |
1 |
0 |
3 |
0 |
1 |
0 |
0 |
0 |
1 |
0 |
0 | |
45 |
1 |
0 |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
3 |
1 |
1 |
0 |
0 |
0 |
1 |
0 |
1 | |
46 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
0 |
1 |
3 |
2 |
1 |
0 |
0 |
0 |
1 |
1 |
0 | |
47 |
1 |
0 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
3 |
3 |
1 |
0 |
0 |
0 |
1 |
1 |
1 | |
48 |
1 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
3 |
4 |
1 |
0 |
0 |
1 |
0 |
0 |
0 | |
49 |
1 |
1 |
0 |
0 |
0 |
1 |
1 |
0 |
1 |
0 |
0 |
1 |
3 |
5 |
1 |
0 |
0 |
1 |
0 |
0 |
1 | |
50 |
1 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
1 |
0 |
1 |
1 |
|
|
1 |
0 |
1 |
0 |
0 |
0 |
0 | |
51 |
1 |
1 |
0 |
0 |
1 |
1 |
1 |
0 |
1 |
0 |
1 |
0 |
|
|
1 |
0 |
1 |
0 |
0 |
0 |
1 | |
52 |
1 |
1 |
0 |
1 |
0 |
0 |
1 |
0 |
1 |
1 |
1 |
0 |
|
|
1 |
0 |
1 |
0 |
0 |
1 |
0 | |
53 |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
|
|
1 |
0 |
1 |
0 |
0 |
1 |
1 | |
54 |
1 |
1 |
0 |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
0 |
1 |
|
|
1 |
0 |
1 |
0 |
1 |
0 |
0 | |
55 |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
0 |
0 |
|
|
1 |
0 |
1 |
0 |
1 |
0 |
1 | |
56 |
1 |
1 |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
|
|
1 |
0 |
1 |
0 |
1 |
1 |
0 | |
57 |
1 |
1 |
1 |
0 |
0 |
1 |
1 |
0 |
0 |
1 |
0 |
1 |
|
|
1 |
0 |
1 |
0 |
1 |
1 |
1 | |
58 |
1 |
1 |
1 |
0 |
1 |
0 |
1 |
0 |
0 |
1 |
1 |
1 |
|
|
1 |
0 |
1 |
1 |
0 |
0 |
0 | |
59 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
0 |
1 |
1 |
0 |
|
|
1 |
0 |
1 |
1 |
0 |
0 |
1 | |
60 |
1 |
1 |
1 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
0 |
|
|
1 |
1 |
0 |
0 |
0 |
0 |
0 | |
61 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
0 |
0 |
0 |
1 |
1 |
|
|
1 |
1 |
0 |
0 |
0 |
0 |
1 | |
62 |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
|
|
1 |
1 |
0 |
0 |
0 |
1 |
0 | |
63 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
|
|
1 |
1 |
0 |
0 |
1 |
1 |
1 |
Operating Procedure and Data
Peripheral Device Connectivity
Yes: Connection possible. No: Connection not possible.
Incremental Encoders
|
Peripheral devices |
Digital Counter |
Tacho-meter |
Freq/ Rate Meter |
Up/Down Counting Meter |
Period Meter |
Direction Detection Unit |
SYSMAC Pulse I/O Module* |
High-speed Counter Unit |
EtherCAT Encoder Input Terminal |
|
Rotary Encoder model |
H7BX-A
H7CX-
A[]-N |
H7BX-
AW
H7CX-
R[]-N
H7ER-N |
K3HB-
R |
K3HB-
C |
K3HB-
P |
E63-
WF |
CJ2M-
CPU1[]/
CPU3[]
+
CJ2M-
MD21[] |
C[]-CT[] |
GX-
EC02[][] |
|
E6D-CWZ1E
E6J-CWZ1E |
No |
No |
No |
No |
No |
No |
No |
Yes |
No |
|
E6D-CWZ2C |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No |
|
E6F-CWZ5G |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
E6A2-CS3E
E6A2-CW3E
E6A2-CWZ3E
E6B2-CWZ3E
E6H-CWZ3E
E6C2-CWZ3E
E6C3-CWZ3EH |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No |
|
E6A2-CS3C
E6A2-CW3C
E6A2-CWZ3C
E6A2-CS5C
E6A2-CW5C
E6B2-CWZ6C
E6H-CWZ6C
E6C2-CWZ6C
E6C3-CWZ5GH |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
E6B2-CWZ1X
E6H-CWZ3X
E6C2-CWZ1X
E6C3-CWZ3XH |
No |
No |
No |
No |
No |
No |
Yes |
Yes |
Yes |
|
E6B2-CWZ5B
E6C2-CWZ5B |
No |
No |
Yes |
No |
Yes |
No |
No |
No |
No |
* Supported by CJ2M CPU Unit with
unit version 2.0 or later.
Absolute Encoders
|
Peripheral device |
Cam Positioner |
SYSMAC Programmable Controller |
|
Rotary
Encoder
model |
Model |
H8PS |
CPM1A |
CP1H |
CP1L |
CP1E |
DC Input Unit |
|
E6CP-AG5C
E6C3-AG5C |
No |
Yes
Requires
separate power supply for Encoder. |
Yes |
Yes |
Yes |
Yes
Requires
separate power supply for Encoder. |
|
E6CP-AG5C-C
E6C3-AG5C-C
E6F-AG5C-C |
Yes |
No |
No |
No |
No |
No |
|
E6F-AB3C |
No |
Yes
Requires separate power supply for Encoder. |
Yes |
Yes |
Yes |
Yes
Requires separate power supply for Encoder. |
|
E6F-AB3C-C |
No |
No |
No |
No |
No |
No |
|
E6C-NN5C
E6C-NN5CA |
No |
Yes |
Yes |
Yes |
Yes |
Yes
Requires separate power supply for Encoder. |
|
E6C-NN5C-C
E6C-NN5CA-C |
No |
Yes
Requires PS-26PE-D4[] Connector manufactured by Japan Aviation Electronics Industry, Ltd. |
No |
No |
No |
Yes
Requires PS-26PE-D4[] Connector manufactured by Japan Aviation Electronics Industry, Ltd., and separate power supply for Encoder. |
Example of Connection with H7BX-AW Self-powered Tachometer
|
Example of Applicable Models |
E6A2-CS3E 10P/R, 60P/R
E6C2-CWZ3E, E6F-CWZ5G 600P/R
E6C3-CWZ3EH 10P/R, 60P/R, 600P/R |
|
Example of Connection with H7BX-A
Digital Counter
|
Example of Applicable
Models |
E6A2-CW3E
E6C2-CWZ3E,
E6C3-CWZ3EH,
E6F-CWZ5G |
|
Example of Connection with K3HB-C Up/Down Counting Meter
NPN Open-collector Outputs
|
Example of Applicable Models |
E6A2-CS3C, E6A2-CS5C
E6A2-CW3C, E6A2-CW5C
E6C2-CWZ6C, E6F-CWZ5G |
|
Voltage Outputs
|
Example of Applicable Models |
E6A2-CS3E, E6A2-CW3E
E6C2-CWZ3E |
|
Example of Connection with CJ1W-CT021 High-speed Counter Unit in
Programmable Controller
|
Example of Applicable Models (1) |
E6A2-C, E6B2-C, E6C2-C, E6H-C
E6F-CWZ5G,
E6D (open-collector output) |
Encoder with NPN Open-collector Output (5/12/24 VDC)
Note: Connections are as follows if the Encoder power supply is
5 V or 24 V.
Phase A + 5-V power supply ➝ A19, 24 V ➝ B20
Phase B + 5-V power supply ➝ A17, 24 V ➝ B18
|
Example of Applicable Models (2) |
E6B2-CWZ5B
E6C2-CWZ5B, E6C3-CWZ5GH |
Encoder with PNP Open-collector Output (5/12/24 VDC)
Note: Connections are as follows if the Encoder power supply is
5 V or 24 V.
Phase A + 5-V power supply ➝ A19, 24 V ➝ B20
Phase B + 5-V power supply ➝ A17, 24 V ➝ B18
|
Example of Applicable Models (3) |
E6B2-CWZ1X, E6C2-CWZ1X
E6C3-CWZ3XH, E6H-CWZ3X |
Encoder with Line-driver Output (RS-422)
Example of Connection with CJ2M-CPU1[]/CPU3[] + CJ2M-MD21[]
SYSMAC Pulse I/O Module
|
Example of Applicable Models |
E6A2-CWZ5C, E6C2-CWZ6C,
E6C3-CWZ5GH, E6F-CWZ5G |
-
Up to two Pulse I/O Modules can be
mounted to a CJ2M CPU Unit with unit
version 2.0 or later. Each Pulse I/O Module allows you to use
six inputs
(IN8, IN9, IN3, IN6, IN7, and IN2) to directly input pulses from
rotary
encoders for application in built-in high-speed counters.
-
The response speed is 60 kHz for single phase and the phase
difference (multiplier of 4) is 30 kHz. Counting can be
performed from 0 to 4,294,967,295 pulses in incremental mode and
from -2,147,483,648 to 2,147,483,647 in incremental/decremental
mode.
-
Operating modes for the high-speed counter are set in the PLC
Setup.
<Count Mode>
|
Phase difference input mode |
Incremental/decremental counting is performed using the phase difference between phases A and B (4-times multiplier constant). |
|
Increment/decrement pulse input mode |
Incremental/decremental counting is performed using phase A as the incremental
pulse input and phase B as the decremental pulse input. |
|
Pulse and direction input mode |
Incremental/decremental counting is performed using phase A as the pulse input and phase B as the direction signal (i.e., incremental/decremental). |
|
Incremental pulse input mode |
Incremental counting is performed using phase A only. |
<Value Range
Mode>
|
Linear mode |
Counting is performed within the range of the upper limit and lower limit. | |
Ring mode |
Counting is performed by looping the input pulse within the set range. |
<Reset Method>
|
Phase Z and software reset |
If software reset is ON, the present value will be reset when the phase-Z input turns ON. | |
Software reset |
The present value will be reset when software reset turns ON. |
<Output Method>
|
Target value comparison |
Up to 48 target values can be set. When the present value reaches a target value, the specified subroutine is executed. | |
Range comparison |
Up to 8 ranges (upper and lower limits) can be set. When the present value enters a range, the specified subroutine is executed. |
|
Example of Applicable Models |
E6B2-CWZ1X, E6C2-CWZ1X,
E6C3-CWZ3XH, E6H-CWZ3X with Line-driver
Output |
» What is Rotary
Encoder?
Recommended Products
|
Incremental Rotary Encoder (40-mm
Diameter)
E6B2
General-purpose Encoder with diameter
of 40 mm. |
|
Absolute Rotary
Encoder (40-mm Diameter)
E6C2-A
|
|
Incremental Rotary Encoder (Durable
Type, 50-mm Diameter)
E6C3-C |
|
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