Incremental
Encoders

About Incremental encoder

Incremental encoders generate pulses in a frequency proportional to the rotational speed.The encoders can be used for speed control, position control, or as a rotation indicator or a pulse generator of servo motors mounted in machine tools, robots, or measuring equipment. Optical incremental encoders are composed of rotor plate, fixed slit, light emitting diodes, photo transistors, etc. as shown in Figure 1.The fixed slit is designed to have 90 degree phase difference to the slit on the rotor plate.Output signals are two signals with 90 degrees difference; A-phase signal and B-phase signal, and the rotational direction can be detected with them.There are encoders which output the additional Z-phase signal as the origin signal.When controlling positions with an incremental encoder, the Z signal which shows the origin is used.

Technical data

Features
Small Size
Low Cost
Wide Range of Resolution
Many Options
Series
OIS38
OIS66
Model No.
TS53□□
TS51□□
Resolution (Counts/Turn)
100∼2,500C/T
100∼5,000C/T
Output Phase
A, B, Z Phase
Max Response Frequency
125kHz,200kHz
125kHz
Supply Voltage
DC+5V∼DC+12V
DC+5V,DC+12V
Consumption Current
100mA Max
200mA Max
Output Form
Open Collector
Line Driver
Voltage
Open Collector
Line Driver
Shaft Loading
Radial
21.6N (2.2kgf Max)
Axial
10.8N (1.1kgf Max)
12.7N (1.3kgf Max)
Starting Torque
4.4×10-3N⋅m (45gf⋅cm Max)
2.9×10-3N⋅m (30gf⋅cm Max)
Protection
IP=50
Operating Temp.Range
-10∼+70°C
(Line Driver Type:0∼+75°C)
-10∼+70°C
Vibration
49m/s2 (5G)
Shock
490m/s2 (50G)
Mass
0.15kg Max
0.5kg Max
Features
Wide Range of Resolution
Many Options
Series
OIS68
Model No.
TS50□□
Resolution (Counts/Turn)
100∼5,000C/T
Output Phase
A, B, Z Phase
Max Response Frequency
125kHz
Supply Voltage
DC+5V,DC+12V
Consumption Current
200mA Max
Output Form
Voltage
Open Collector
Line Driver
Shaft Loading
Radial
98N (10kgf Max)
Axial
49N (5kgf Max)
Starting Torque
9.8×10-2N⋅m (1kgf・cm Max)
Protection
IP=52
Operating Temp.Range
-10∼+70°C
Vibration
98m/s2 (10G)
Shock
980m/s2 (100G)
Mass
1kg Max
Applications
Milling
Features
Ultra Rugged Model
Series
OIS128
Model No.
TS50□□
Resolution (Counts/Turn)
25∼5,000C/T
Output Phase
A, B Phase
Max Response Frequency
25kHz
Supply Voltage
DC+24V
Consumption Current
300mA Max
Output Form
Voltage
Complementaly
Shaft Loading
Radial
392N (40kgf Max)
Axial
49N (5kgf Max)
Starting Torque
0.2N⋅m (2kgf⋅cm Max)
Protection
IP=57
Operating Temp.Range
0∼+50°C
Vibration
98m/s2 (10G)
Shock
980m/s2 (100G)
Mass
7kg Max/Mount Type
8kg Max/Flange Type
Features
High Resolution
High Reliability
Series
OIS85
Model No.
TS517□
Resolution (Counts/Turn)
9,600∼50,000C/T
Output Phase
A, B, Z, EU, EV, EW Phase
Max Response Frequency
576kHz
1.5MHz
2.5MHz
Supply Voltage
DC+5V
Consumption Current
250mA Max
Output Form
Line Driver
Shaft Loading
Radial
19.6N (2kgf)
Axial
9.8N (1kgf)
Starting Torque
2.0×10-2N⋅m(200gf⋅cm Max)
Protection
IP=52
Operating Temp.Range
-10∼+85°C
Vibration
49m/s2 (5G)
Shock
1,960m/s2 (200G)
Mass
1kg Max
Features
Hollow Shaft
Small Size
Hollow Shaft
Medium Size
Series
OIH35
OIH48
OIH60
Model No.
TS52□□N3□□
TS52□□N5□□
TS52□□N4□□
Resolution (Counts/Turn)
500∼6,000C/T
1,000∼12,000C/T
1,000∼8,192C/T
Output Phase
A, B, Z, EU, EV, EW Phase
Max Response Frequency
200kHz
Supply Voltage
DC+5V
Consumption Current
200mA Max
Output Form
Line Driver
Mounting
Tolerance
Radial
0.05mm TIR Max
Axial
0.2mm Max
Shaft Runout
0.1°Max
Starting Torque
5.9×10-3N⋅m
(60gf⋅cm Max)
9.8×10-3N⋅m
(100gf⋅cm Max)
Protection
IP=40
Electronic Circuits Disclosed
IP=40
Operating Temp.Range
-20∼+85°C
Vibration
49m/s2(5G)
Shock
490m/s2(50G)
980m/s2(100G)
Mass
0.2kg Max
0.3kg Max
0.5kg Max
Features
Magnetic Encoder
Series
MIB0.4
Model No.
TS5270N15
TS5291N100
TS5291N500
Resolution (Counts/Turn)
1,024C/T
(Number of teeth = 256)
1,024C/T
(Number of teeth = 128)
128C/T
Output Phase
A, B, Z Phase
Max Response Frequency
200kHz
409.6kHz
128kHz
Supply Voltage
DC+5V
Consumption Current
300mA Max
200mA Max
100mA Max
Output Form
Line Driver
Air Gap
btwn Sensor & Wheel
0.15±0.01mm
Radial Inalignment
btwn Sensor & Wheel
±0.3mm
Axial Inalignment
btwn Sensor & Wheel
±0.5mm
Starting Torque
Protection
IP=50
IP=66
Operating Temp.Range
-10∼+80°C
-20∼+85°C
Vibration
Full Amplitude
1.5mm 0.5Hr
(5∼500Hz)
80m/s2 Max
3-way 3Hr
(10∼2,000Hz)
Shock
294m/s2(30G)
1,000m/s2 Max
11ms Half sine wave 3-way,
Each 6 times
Mass
0.5kg Max

Innovation, quality and efficiency paired with high resistance and durability.

Since its foundation Tamagawa has taken up the challenge of further improving angular precision for control equipment such as high-precision sensors, motors and gyros. We are determined to satisfy your requirements with our high quality products by improving our technologies continuously and also constantly developing and applying new technologies. We can look back on an extensive industry-proven track record in all our fields of application.

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