Feedback technology is a standard feature of most sophisticated servo drives.

Elmo provides advanced capabilities to this technology to support any encoder or sensor configuration as feedback.


Simplicity in Feedback Configuration

Elmo’s “Socket Technology” embedded in Gold Drives and supported by the EAS, enables the quick and simple set-up of any type or configuration of encoders.Read More »

Dual Loop Options

Gold Servo Drives support Port A and Port B manipulations. This also applies to Dual Loop applications, dual sensor motors, etc.Read More »

Analog Encoder Sin/Cos, Port B

Using internal Programmable multipliers: x4 to x8192 to achieve high analog encoder resolutions.Read More »

Absolute Position Sensors

Gold Drive Absolute Position Sensors support:

  • EnDat 2.1/2.2
  • BiSS
  • Panasonic
  • Tamagawa
  • Mitutoyo
  • SSI
  • Gurley

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Absolute Encoder Masking

For operating higher-resolution absolute encoders, the user can mask both upper and lower bits via the EAS without any performance degradation.Read More »

Emulation , Port C

Feedback Emulation (socket) into one of the following signals format:

  • A & B quadrature
  • Pulse & direction
  • Up & down
  • Hall signals

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Glitch Filters

For smoother operation and improved noise immunity, Glitch filters can be used.Read More »


Programmable reference frequency: 1/(2*TS*N), N=1/2,1, 2, 4 (Ts = sample time in micro seconds)Read More »

Digital Halls

The “Halls Only” feedback application is used to control the commutation, current loop, velocity loop and position loop.Read More »

Analog Signal Corrections

Correction for offset, amplitude and phase mismatch in analog sensors (Resolver, Analog Hals, Analog Sin/Cos)Read More »