4-90
Input pulse frequency
(pps)
Motor rotational speed
(r/min)
Pr0.08
23-bit
2 M
3000
2
23
40000
500 K
3000
2
23
10000
250 K
3000
2
23
5000
100 K
3000
2
23
2000
500 K
1500
2
23
20000
Note
Caution
When setting Pr0.08, and encoder resolution is automatically set up as numerators. For
full closed controlling, setting of Pr0.08 is ignored and settings of Pr0.09 and Pr0.10 are
always applied.
• Max. input pulse frequency varies depending on input terminals.
• The desired setting can be determined by selecting value of numerator and denomina
-
tor of electronic gear. However, an excessively high division or multiplication ratio can
-
not guarantee the operation. The ratio should be in a range between 1/1000 and 8000.
Excessively high multiplication ratio will cause Err27.2 (command pulse multiplication
error protection) due to varying command pulse input or noises, even if the other set
-
tings are within the specified range.
Relation between the motor
rotational speed and input
pulse counts
60°
Pulley ratio :
Gear ratio :
Total reduction ratio :
Gear
18
60
12
73
18
365
When setting the command division and multiplication ratio
as numerator/denominator, express it as Pr0.09/Pr0.10 with
Pr0.08 = 0.
For full closed controlling, setting of Pr0.08 is ig
-
nored and settings of Pr0.09 and Pr0.10 are always applied.
e.g.)
When you want to rotate the motor by 60° with the load
of total reduction ratio of 18/365.
Encoder
23-bit
Pr0.09
Pr0.10
9568256
3375
Command
pulse
To rotate the output shaft by
60°, enter the command of
10000 pulses from the host
controller.
How to
determine
parameter
365
18
×
1×2
23
10000
×
60°
360°
=
9568256
3375
*
Refer to P.2-86 “Setup of command division and multiplication ratio
(electronic gear ratio)” of Supplement.
4
2.Trial Run (JOG run)
Setup
Setup of Motor Rotational Speed and Input Pulse Frequency
2
n
Decimal figure
2
0
1
2
1
2
2
2
4
2
3
8
2
4
16
2
5
32
2
6
64
2
7
128
2
8
256
2
9
512
2
10
1024
2
11
2048
2
n
Decimal figures
2
12
4096
2
13
8192
2
14
16384
2
15
32768
2
16
65536
2
17
131072
2
18
262144
2
19
524288
2
20
1048576
2
21
2097152
2
22
4194304
2
23
8388608
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