6-8
6-2
Encoder Dividing Rate for Servo Controllers
Encoder output pulses for OMNUC W-Series AC Servo Drivers can be set within a range
of 16 to 16,384 pulses/revolution by setting the encoder dividing rate. Depending on the
Controller’s encoder input maximum response frequency limits, however, the maximum
numbers of revolutions are limited as shown in the following tables.
H
Encoder Divider Rates (Pn201)
Parameter
No.
Parameter
name
Explanation
Factory
setting
Unit
Setting
range
Restart
power?
Pn201
Encoder di-
vider rate
setting
Sets the number of output pulses from
the Servo Driver
1,000
Pulses/r 16 to
16,384
Yes
H
Encoder Divider Rates (Pn201) and Maximum Rotation Speed (r/min)
Model
16,384 to 8,193
8,192 to 4,097
4,096 to 2,049
2,048 to 1,025
1,024 max.
4
2, 1
4
2, 1
4
2,1
4
2,1
4
2,1
CS1W-MC221/421
1,831
3,662
5,000
5,000
5,000
C200H-MC221
915
1,831
3,662
5,000
5,000
CV500-MC221/421
622
1,245
2,490
4,980
5,000
C500-NC222
366
457
732
915
1,464
1,831
2,929
3,662
5,000
Note 1.
In this table, the dividing rates are shown in the top line above the multipliers.
Note 2.
For example, if operating an CS1W-MC221/421 at 5,000 r/min., set Pn201 (Encoder divider
rate) to 4,096 (pulses/r) maximum.
Appendix
Chapter 6
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