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Koyo encoders. TRD-2E Series.

d40 Incremental Type

  • Small design with an outside diameter of φ40 mm / depth of 36 mm
  • Equipped  with  short-circuit  protection  circuit,  reverse  connection protection circuit (For resolutions up to 2,500 P/R)
  • Realizes IP54 protective structure.

Model Number List

Type Appearance Model Number Supply Voltage Output Output Form Pulse Number / Rotation
Shaft Type TRD-2E□A 4.5 to 13.2 V DC Output with 2-phase origin (Origin reverse action      ) Open collector output 10, 20, 30, 40, 50, 60, 100,
200, 240, 250, 300, 360, 400,
500, 512, 600, 800, 1,000,
1,024, 1,200, 2,000, 2,500,
3,600
TRD-2E□B 10.8 to 26.4 V DC
TRD-2E□V 4.75 to 5.25 V DC Output with 2-phase origin (Origin direct action     ) Line driver output

Pulse and Frequencies

Pulse Number per Rotation 10 20 30 40 50 60 100 200 240 250 300 360 400 500 512 600 800 1,000 1,024 1,200 2,000 2,500 3,600
Maximum Response Frequency (kHz)* 0.8 1.6 2.5 3.3 4.1 5.0 8.3 16 20 20 25 30 33 41 42 50 66 83 85 100 166 200 200
Applicable Models TRD-2E□A
TRD-2E□B
TRD-2E□V

Electrical Specifications

Model Number TRD-2E□A/B TRD-2E□V
Power Supply Supply Voltage* A: 4.5 to 13.2 V DC/B: 10.8 to 26.4 V DC 4.75 to 5.25 V DC
Allowable Ripple 3% rms or less
Consumption Current (No Load) 50 mA or lower
Output Waveform Signal Format 2-phase output + home position
Maximum Response Frequency 200 kHz
Maximum Response Number of Revolutions (Maximum Response Frequency/Resolution) x 60
Duty Ratio 50±25%
Signal Width at Home Position 100±50%
Output Rise / Fall Time Not larger than 1 µs (Cable length 1 m, maximum load)
Output Form NPN open collector output Line driver output (Equivalent to 26C31)
Output Logic Negative logic (Active low) Positive logic (Active high)
Output Current Sink Up to 30 mA Up to 20 mA
Source ̶ Up to 20 mA
Output Voltage "H" ̶ 2.5 V or higher
"L" 0.4 V or lower 0.5 V or lower
Load Supply Voltage 30 V DC or lower ̶
Short-circuit Protection Between output and power supply ̶

Mechanical Specifications

Starting Torque 0.01 N・m or less (+20˚C)
Moment of Inertia 0.3 x 10-6  kg・m2
Shaft Allowable Load Radial: 30N
Thrust: 20N
Maximum Allowable Number of Revolutions (Note 1) 5,000 rpm
Cable Outside diameter φ5 mm
5-core shielded oil-resistant vinyl chloride cable (Line driver output is 8 cores)
Core wire nominal cross-sectional area: 0.14 mm2
Weight Approx. 110 g (With 1 m cable)

Environmental Requirements

Use Ambient Temperature -10 to +70˚C
Storage Ambient Temperature -25 to +85˚C
Use Ambient Humidity 35 to 85% RH (No condensation)
Withstand Voltage Excluded due to capacitor grounding*
Insulation Resistance 50 MK or higher*
Vibration Resistance (Endurance) Displacement half amplitude:
0.75 mm, 10 to 55 Hz, 3 axial directions, each 1 h
Impact Resistance (Endurance) 490m/s2
11 ms, each 3 times in 3 axial directions
Protective Structure Dustproof type・Splash-proof type: IP54