Servotronix CDHD2S User Manual page 170

Application Setup
10. Save to file (SSV format)
The settings and all indexes in the error correction table are saved to an SSV file.
Procedure: Configure an error correction table for use with RenishawRTL files
Using ServoStudio2 and Renishaw laser interferometer
Note: This procedure is based on RenishawXL=80 laser interferometer and exported RTL file.
Renishaw is the only third-party system supported by CDHD2S error
correction function at present.
It is assumed that the Renishaw system has been installed in accordance with the
manufacturer's instructions and that the user knows how to operate the hardware and software.
CDHD2S|ServoStudio2
1. Make sure CDHD2S is working in serial communication mode (COMMODE0).
2. Configure motor and motor feedback parameters.
Encoder value Measured value
X1
X2
X3
Figure 6-46 Error correction table - example
9. Table 6-25
Corrected value
Y1 Y1–X1=ERR1
Y2 Y2–X2=ERR2
Y2 Y3–X3=ERR3
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