Feature
- - Outer diameter: 38 mm
- - Bore diameter: 6 mm / 8 mm
- - Resolution: 5 ~ 2500 P/R
- - Protection rating: IP50 / IP65
- - Incremental type, square wave output
- - Multiple output circuit options: NPN Voltage, NPN Open Collector, Push-Pull, Line Driver
- - Rated voltage: DC8~26V or DC5V fixed
- - Max allowable speed: 6000 rpm
Description
The EH38-6/8 is a hollow shaft rotary encoder with a 38 mm outer diameter and 6 mm / 8 mm bore options. It offers a wide resolution range of 5 to 2500 pulses per revolution (P/R) and is available with IP50 or IP65 protection ratings, making it well suited for industrial automation, motion control, and CNC-related applications.
Specification
Electrical Specifications
| Application Type | Incremental |
| Output Waveform | Square wave |
| Output Pulses (PPR) | 5,10,12,20,30,40,50,60,100,150,180,200,250,300,360,400,500,600,720,800,900,1000,1024,1200,1500,1800,2000,2048,2500 |
| Output Phase | AB phase / ABZ low phase / AB+Z high phase |
| Output Circuit | NPN Voltage, NPN Open Collector, Push-Pull, Line Driver |
| Rated Voltage | DC8~26V, DC5V fixed |
| Current Consumption | ≤60mA |
| Output Capacity | Source current: 20mA, Residual voltage: 0.5V or less |
| Max Response Frequency | 10K Hz ~ 100K Hz Max |
| Output Phase Difference | A,B phase 90°±45° (T/4±T/8); Z phase T±T/2 |
| Rise/Fall Time | 2μs or less |
| Polarity Protection | Reverse protection (not applicable to DC5V) |
Mechanical Specifications
| Shaft Diameter | 6 mm, 8 mm |
| Max Shaft Load | 10~400PPR: Axial 1kg / Radial 2kg; over 400PPR: Axial 0.5kg / Radial 1kg |
| Starting Torque | 30 gf-cm or less |
| Max Allowable Speed | 6000 rpm |
| Vibration Resistance | 10g (10~1,500Hz) |
| Shock Resistance | 20g, 11ms |
| Cable | Ø4.7mm, 1m long |
| Weight | ≤200g |
Environmental Specifications
| Operating Temperature / Humidity | -10°C ~ 60°C, non-condensing; 95% RH |
| Storage Temperature | -20°C ~ 80°C, non-condensing |
| Protection Rating | IP50 / IP65 |
Options (EH38-6/8)
| Output Phase | 2: AB phase / 3: ABZ low phase / 4: AB+Z high phase |
| Output Circuit | Blank: NPN Voltage (8~26VDC) / C: NPN Open Collector (8~26VDC) / P: Push-Pull (5~26VDC) / L: Line Driver (5VDC) / HL: Line Driver (3.5~30VDC) |
| Rated Voltage | Blank: 8~26VDC / 5V: 5VDC |
Dimension
