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External rotor
FOI224 series
External rotor
FOI224 series

DDR motors are torque motors that directly drive the load without any transmission components. DDR motors have a compact structure and high rigidity. 

Strong. They generate high torque by using high-energy permanent magnets. At the same time, they are equipped with built-in optical encoders, which make the system have better positioning accuracy. 

Higher bit precision and a more dynamic response. The use of high-rigidity crossed roller bearings enhances the mechanical characteristics of the system.

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Product Parameters
Overall dimensions
Product Parameters
FO1224 Series Technical Data
Specification FOI224-Z14-A00-N01 FOI224-Z35-A00-N01
Rated voltage V 220 220
Peak torque N.m 42 105
Continuous torque N.m 14 35
Maximum velocity rps 7.5 3
Continuous velocity rps 6 2
Rotation position Encoder resolution pulse/rev 3005400 4194304
Engraved line number Lines 11740 16384
Absolute accuracy arc-sec ±25 ±25
  Repeatability accuracy arc-sec ±2.5 ±2.5
Zero point pulse/rev 1 1
Maximum power KVA 1.97 2
Rated power KVA 0.53 0.45
Torque constant Nm/Arms 6.4 16
Back EMF constant Vp/(krpm) 547.2 1368
Terminal Resistance p 8.4 13.9
Terminal Inductance mH 15.5 46
Continuous current Arms 2.2 2.2
Peak current Arms 6.6 6.6
Pole pairs - 20 20
Load Rotor inertia kg.cm2 180 200
Axial load(forward) N 2000 2000
Axial load(inversion) N 1000 1000
radial lad Nm 60 200
Mechanical accuracy μm 8 8
Weight kg 5.5 8.9
*The above parameters are all obtained through tests in accordance with the LINKHOU experimental standards.。
Outline dimension drawing