RGE interpolators

RGE Interpolators In addition to the RPI20 parallel interface, RLE output resolution can be refined via the use of an RGE interpolator unit.

Three models of RGE, originally designed for use with Renishaw's range of tape scale encoders, have been validated for use with the RLE. These are RGE25, RGE50 and RGE00.

Plane mirror system performance

RGE model	RGE part number	Resolution (nm)	Maximum velocity (mm/s)
RGE25	RGE25D01A61	1.582	10
RGE50	RGE50D01A61	0.790	8
RGE00	RGE00D01A61	0.395	4

Retroreflector system performance

RGE model	RGE part number	Resolution (nm)	Maximum velocity (mm/s)
RGE25	RGE25D01A61	3.164	20
RGE50	RGE50D01A61	1.582	17
RGE00	RGE00D01A61	0.791	8

Maximum system velocities quoted include a 25% safety margin.
Velocity figures are based on 75% signal strength with a 75 mV DC offset in sine and cosine.

Next steps

Contact us online if you require more information or you have a pricing query, or alternatively you may like to speak directly to your local Renishaw office.

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Resources

Laser encoders downloads

Documents and downloads

[194kB] RGE Series Interpolators data sheet (archive)
[260kB] REE analogue interface data sheet
[276kB] REE series digital interpolators
[2.9MB] High precision laser interferometer feedback systems

Please note the RGE and REE data sheets referenced above are produced by Renishaw's optical encoder division, and hence do not contain specification data for their use with an RLE system, however they do contain operating and electrical specification data, as well as dimensional information.

RGE interpolators are being replaced by REE models. For further information on these changes, please contact your local Renishaw office.