As of June 18, 2008
 
SIZE 25 SERIES TRDA-25NA ABSOLUTE ENCODER/SINGLE-TURN UP TO 11 BIT
Specification Drawings Ordering Information Optional Parts[PDF] Detailed Information[PDF]

Nicely equipped MS
Connector Model
US $400.00 (Right)
S.R.P.list Starting at
US $345.00
S.R.P.list (up to 10 bit)
With cable model (Left)
FEATURES
  • 2.5" O.D.heavy duty designed
  • Resolutions 180 to 2048/11 bit
  • Reliable Gray Code is standard
  • 3/8" shaft O.D.and shaft seal standard (Repairable)
  • Detachable Square flange and Servo flange configurations
  • Strong Metal Disks (all resolutions) in shock and vibration.

 

 

 
 Specification

Electrical
Model number
NPN
PNP
Power
Voltage		 Power Source Voltage 10.8 to 26.4 VDC
Allowable Ripple 3% rms max.
Current Consumption 70 mA max. 100 mA max.
Output Code Gray binary *1
Max. Response Frequency 20 kHz *2
Precision (360/resolution X 2)0
Direction Normal (CW) or
reverse (CCW)*3
Output Output Type
Open collector
NPN Output
Open collector
PNP Output
Output Logic Negative (Low active) Positive (High active)
Residual voltage 0.4V max.   1.5V max. 0.5V max.
Inflow Current 16 mA   32 mA 30 mA
Load Power voltage 30 VDC max.
Rise/Fall time 2.0μs (at 1 kΩ load
resistance) max. 		3.0μs (at 1 kΩ load
resistance) max.
*1 38 Gray codes at 180 resolution, 76 Gray codes at 360 resolution, and 152 Gray codes at 720 resolution
*2 Maximum revolution speed=(maximum response frequency/resolution) x 60. The encoder does not respond to revolution faster than the maximum speed.
*3 When viewed from the shaft, CW is clockwise direction and CCW is anti-clockwise direction.

Environmental
Ambient Temperature Operating: -10 ~ +60°C Storage: -25 ~ +85°C
Operating Humidity 25 ~ 85%RH (without condensation)
Withstand Voltage Removed for capacitor earth
Insulation Resistance 10MΩ min.
Vibration Resistance Durable for one hour along 3 axes at 10 to 55 Hz with 0.75mm amplitude
Shock Resistance 11m/s with 980 m/s2applied 3 times along 3 axes
Protection IP65: Dust and splashed proofed/NEMA4

Mechanical
Initial Torque 0.03N • mm (+20°C) max.
Moment of Inertia 2x106kg • m2
Allowable Load Radial: 35 lbs
Thrust: 40 lbs
Maximum AllowableSpeed (Note 1) 3000 rpm (continuous )
5000 rpm (instantaneous)
Cable External diameter: ø7mm
12-core oil-proof
Shielded vinyl chloride cable.
Wire: AWG 24-26
Weight Approx. 300g (with 2m cable)
Note 1: Highest speed that can support mechanical integrity of the encoder.