In the correction function of the MJ500, MJ600, and MJ700,
the ADC has a dynamic range of 1.2 V. As a result, the ADC
cannot be used when the sum of the input signal amplitude
value and the offset voltage absolute value exceeds 1.2 V.
When the sum exceeds 1.2 V, correction processing is
performed with the section exceeding 1.2 V clipped. The
section remains clipped even after correction, and so the
division accuracy (interpolation accuracy) is unlikely to be
improved.
Lissajous figure before
1.2V
correction
1.2V
Lissajous figure after
correction
n
The Lissajous' figure after correction cannot be observed.
Operation using the following settings is recommended for
achieving the best division accuracy (interpolation accuracy).
Encoder signal amplitude value
Offset voltage
Phase
0.9 to 1.1 Vp-p
_70 to +70 mV
88 to 92d
(E) 45