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Incremental Encoders

Incremental Encoders

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.

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Description

◆Incremental Encoder Simplified Structure

Incremental Encoder Simplified Structure 　Magnetic Encoder Simplified Structure

◆Magnetic Encoder Simplified Structure

Specification list

For Instrumentation OIS38、OIS66 Series

For Industrial OIS68 Series

For Milling OIS128 Series

For Super Precision Machine Tools OIS85 Series

For Motor Controls OIH35、OIH48、OIH60 Series

Magnetic Encoder MIB0.4 Series

OIS38、OIS66 Series

Features Small Size
Low Cost		 Wide Range of Resolution
Many Options
Series OIS38 OIS66
Model No. TS53□□ TS51□□
Outside Diameter Φ38mm Φ66mm
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

OIS68 Series

Features Wide Range of Resolution
Many Options
Series OIS68
Model No. TS50□□
Outside Diameter □68mm
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

OIS128 Series

Applications Milling
Features Ultra Rugged Model
Series OIS128
Model No. TS50□□
Outside Diameter Φ128mm
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

OIS85 Series

Features High Resolution
High Reliability
Series OIS85
Model No. TS517□
Outside Diameter □85mm
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

OIH35、OIH48、OIH60 Series

Features Hollow Shaft
Small Size		 Hollow Shaft
Medium Size
Series OIH35 OIH48 OIH60
Model No. TS52□□N3□□ TS52□□N5□□ TS52□□N4□□
Outside Diameter Φ35mm Φ48mm Φ60mm
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

MIB0.4 Series

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

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