Maximum Response Speed - Sony MJ700 Bedienungsanleitung

3-6. Maximum response speed

The output phase difference for the MJ500, MJ600, and
MJ700 changes continuously in increments of 100 ns
beginning from the value set by the minimum phase difference
setting.
If the A/B output phase difference drops below the minimum
phase difference setting value, a speed alarm is output since
the response frequency is exceeded. The frequency
immediately before the alarm is output is the maximum
response frequency.
The maximum response frequency is determined by the
number of divisions (number of interpolations) and increases
as the number of divisions decreases. When the number of
divisions (number of interpolations) is 120 or less, the
frequency is limited to 70 kHz, and a speed alarm is generated
even when the output phase difference exceeds the minimum
phase difference setting value.
See "3-3-1. Setting the number of divisions" for more
information about the relationship between the maximum
response frequency and number of divisions.
22 (E)
Reference
Maximum speed (r/min) of the rotary encoder
= Maximum response frequency of interpolator x Encoder
signal 1-cycle angle (d)/6
Maximum response speed of linear encoder (mm/s)
= Maximum response frequency of interpolator x Encoder
signal 1-cycle length (mm)
n
. The maximum response frequency is the value when a
SIN-COS signal is input within the specified range. If
fluctuations occur in the input signal level or offset, the
maximum response frequency may drop.