Encoders Rotary Encoder
Rotary encoders are small, thin, and lightweight incremental encoders.
- Frame size φ30 mm/ φ40 mm
- Resolution: 100~4000 P/R (14 types)
- Line driver output, voltage output, open-collector output (power supply voltage 5~24 VDC)
- Frame size φ40 mm added.
- Open-collector output (power supply voltage 5~24 VDC) has been added to the output circuit format.
(Frame size: Common to φ30 mm and φ40 mm)


Small, Thin, and Lightweight Magnetic Incremental Encoders
Oriental motor’s rotary encoders are small, thin, and lightweight incremental encoders.
A wide variety of product lineup includes two types of frame sizes (φ30 mm/φ40 mm), three output circuit types with line driver, voltage, and open collector (power supply voltage 5~24 VDC), and 14 resolution types with 100~4000 P/R. The actual position, speed, and rotation direction of conveyors, belts, pulleys, and other mechanisms can be detected, contributes in the construction of predictive maintenance systems.
Watch the video to view for features of the rotary encoders.
Features
Small, Thin, and Lightweight Incremental Encoders
Small, thin, and lightweight, can be installed even in tight spaces.
Round Shaft Type | Hollow Shaft Type | |
---|---|---|
Frame Size: φ30 mm |
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Frame Size: φ40 mm |
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Resolution 100 P/R~4000 P/R Maximum
14 types are available, including resolutions that are easy to combine with stepper motors and those suitable for the desired step angle.
Three Output Circuit Types With Line Driver Output, Voltage Output, and Open-collector Output
Open-collector output is compatible with power supply voltage 5~24 VDC input.
Can Be Used in High Temperature Environments
The open-collector output can be used in up to 70 °C, and the line driver output and voltage output can be used in environments up to 85 °C.
The Actual Position, Speed, and Rotation Direction of the Mechanism Can Be Detected
By attaching a rotary encoder to the mechanism, a predictive maintenance system for the mechanism can be established.
- Application Example
In belt and pulley mechanisms, it is possible to detect the difference in rotation between the motor and mechanism due to belt deflection or breakage.

Easy to Aligning the Mechanical Home and Z-phase Signal
The Z-phase signal is output once per revolution when the encoder connector section is facing down and the shaft flat section (round shaft type) or fixing screw section (hollow shaft type) is in the position indicated by the red arrow.

Can Be Installed in Accordance With the Mechanism
-
Round Shaft Type -
Round Shaft Type + Mounting Bracket* (Sold separately) -
Hollow Shaft Type
- *Frame size φ30 mm only
Product Line
Round Shaft Type
Frame size: φ30 mm

Resolution (P/R) | Product Name | ||
---|---|---|---|
Line Driver Output | Voltage Output | NEW Open-collector Output |
|
100 | RE30AJ100L | RE30AJ100E | RE30AJ100F |
200 | RE30AJ200L | RE30AJ200E | RE30AJ200F |
360 | RE30AJ360L | RE30AJ360E | RE30AJ360F |
400 | RE30AJ400L | RE30AJ400E | RE30AJ400F |
500 | RE30AJ500L | RE30AJ500E | RE30AJ500F |
600 | RE30AJ600L | RE30AJ600E | RE30AJ600F |
720 | RE30AJ720L | RE30AJ720E | RE30AJ720F |
800 | RE30AJ800L | RE30AJ800E | RE30AJ800F |
1000 | RE30AJ1000L | RE30AJ1000E | RE30AJ1000F |
1800 | RE30AJ1800L | RE30AJ1800E | RE30AJ1800F |
2000 | RE30AJ2000L | RE30AJ2000E | RE30AJ2000F |
2500 | RE30AJ2500L | RE30AJ2500E | RE30AJ2500F |
3600 | RE30AJ3600L | RE30AJ3600E | RE30AJ3600F |
4000 | RE30AJ4000L | RE30AJ4000E | RE30AJ4000F |
NEW Frame Size φ40 mm

Resolution (P/R) | Product Name | ||
---|---|---|---|
Line Driver Output | Voltage Output | Open-collector Output | |
100 | RE40AJ100L | RE40AJ100E | RE40AJ100F |
200 | RE40AJ200L | RE40AJ200E | RE40AJ200F |
360 | RE40AJ360L | RE40AJ360E | RE40AJ360F |
400 | RE40AJ400L | RE40AJ400E | RE40AJ400F |
500 | RE40AJ500L | RE40AJ500E | RE40AJ500F |
600 | RE40AJ600L | RE40AJ600E | RE40AJ600F |
720 | RE40AJ720L | RE40AJ720E | RE40AJ720F |
800 | RE40AJ800L | RE40AJ800E | RE40AJ800F |
1000 | RE40AJ1000L | RE40AJ1000E | RE40AJ1000F |
1800 | RE40AJ1800L | RE40AJ1800E | RE40AJ1800F |
2000 | RE40AJ2000L | RE40AJ2000E | RE40AJ2000F |
2500 | RE40AJ2500L | RE40AJ2500E | RE40AJ2500F |
3600 | RE40AJ3600L | RE40AJ3600E | RE40AJ3600F |
4000 | RE40AJ4000L | RE40AJ4000E | RE40AJ4000F |
Hollow Shaft Type
Frame Size: φ30 mm

Resolution (P/R) | Product Name | ||
---|---|---|---|
Line Driver Output | Voltage Output | NEW Open-collector Output |
|
100 | RE30HJ100L | RE30HJ100E | RE30HJ100F |
200 | RE30HJ200L | RE30HJ200E | RE30HJ200F |
360 | RE30HJ360L | RE30HJ360E | RE30HJ360F |
400 | RE30HJ400L | RE30HJ400E | RE30HJ400F |
500 | RE30HJ500L | RE30HJ500E | RE30HJ500F |
600 | RE30HJ600L | RE30HJ600E | RE30HJ600F |
720 | RE30HJ720L | RE30HJ720E | RE30HJ720F |
800 | RE30HJ800L | RE30HJ800E | RE30HJ800F |
1000 | RE30HJ1000L | RE30HJ1000E | RE30HJ1000F |
1800 | RE30HJ1800L | RE30HJ1800E | RE30HJ1800F |
2000 | RE30HJ2000L | RE30HJ2000E | RE30HJ2000F |
2500 | RE30HJ2500L | RE30HJ2500E | RE30HJ2500F |
3600 | RE30HJ3600L | RE30HJ3600E | RE30HJ3600F |
4000 | RE30HJ4000L | RE30HJ4000E | RE30HJ4000F |
NEW Frame Size φ40 mm

Resolution (P/R) | Product Name | ||
---|---|---|---|
Line Driver Output | Voltage Output | Open-collector Output | |
100 | RE40HJ100L | RE40HJ100E | RE40HJ100F |
200 | RE40HJ200L | RE40HJ200E | RE40HJ200F |
360 | RE40HJ360L | RE40HJ360E | RE40HJ360F |
400 | RE40HJ400L | RE40HJ400E | RE40HJ400F |
500 | RE40HJ500L | RE40HJ500E | RE40HJ500F |
600 | RE40HJ600L | RE40HJ600E | RE40HJ600F |
720 | RE40HJ720L | RE40HJ720E | RE40HJ720F |
800 | RE40HJ800L | RE40HJ800E | RE40HJ800F |
1000 | RE40HJ1000L | RE40HJ1000E | RE40HJ1000F |
1800 | RE40HJ1800L | RE40HJ1800E | RE40HJ1800F |
2000 | RE40HJ2000L | RE40HJ2000E | RE40HJ2000F |
2500 | RE40HJ2500L | RE40HJ2500E | RE40HJ2500F |
3600 | RE40HJ3600L | RE40HJ3600E | RE40HJ3600F |
4000 | RE40HJ4000L | RE40HJ4000E | RE40HJ4000F |
Encoder Connection Cable (Sold separately)
Encoder connection cable that can be connected to a rotary encoder via a connector.
Product Name | Output Circuit Type | Length (m) | |
---|---|---|---|
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LCE05A-006 | Voltage output, Open-collector output | 0.6 |
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LCE08A-006 | Line driver output |
Flexible, shielded connection cable for encoder.
Mounting Bracket for Round Shaft Type With Frame Size φ30 mm (Sold separately)
Mounting bracket to be assembled to round shaft type with frame size φ30 mm.
Product Name | ||
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![]() Assembly Example |
PEF2 |
- Application Example
A round shaft type rotary encoder can be mounted from the rear using the mounting bracket.
