3-11
j
Setup Parameter No. 2 (Cn-02)
Item
Bit
no.
Factory
setting
Setting
Explanation
Reverse rotation mode
0
0
0
CCW direction is taken as forward rotation.
1
CCW direction is taken as reverse rotation.
1
0
---
Not used.
2
0
---
Not used.
Command pulse mode
5, 4, 3
0, 0, 1
0, 0, 0
Feed pulse / Forward/reverse signal
, ,
, ,
0, 0, 1
Forward rotation pulse / Reverse rotation pulse
0, 1, 0
90
°
phase difference (A/B phase) signal (1X)
0, 1, 1
90
°
phase difference (A/B phase) signal (2X)
1, 0, 0
90
°
phase difference (A/B phase) signal (4X)
6
0
---
Not used.
7
0
---
Not used.
8
0
---
Not used.
9
0
---
Not used.
Deviation counter clear
A
1
0
The deviation counter is cleared at H level.
1
The deviation counter is cleared at differential rising edge.
b
0
---
Not used.
Torque command filter
i
C
0
0
Primary filter
q
time constant
1
Secondary filter
d
0
---
Not used.
Parameter Unit monitor
l
h
E
0
0
Position deviation monitor set for 1 command.
output lever change
1
Position deviation monitor set for 100 commands.
F
0
---
Not used.
Note 1. Do not change the settings of bits 1, 2, 6 through 9, b, d, or F of setup parameter 2 (Cn-02).
Note 2. These parameters become effective only after power is reset. Confirm that the indicators go
out before turning power back on. (Check to see that the LED display has gone off)
3-4-3 Important Setup Parameters (Cn-01 and Cn-02)
This section explains the particularly important setup parameters. If these parameters aren’t set proper-
ly, the motor might not operate or might operate unpredictably. Set these parameters appropriately for
the system being used.
j
Command Pulses in Position Control
Bits 3, 4, and 5 of Cn-02 specify the kind of command pulse mode used for position control, as shown in
the following table.
Cn-02 bit 3
Cn-02 bit 4
Cn-02 bit 5
Selected command pulse mode
0
0
0
Feed pulse (PULS)/Direction signal (SIGN)
1
0
0
Forward pulse (CCW)/Reverse pulse (CW) (Factory setting)
0
1
0
90
differential phase (A/B phase) signal (1
×
)
1
1
0
90
differential phase (A/B phase) signal (2
×
)
0
0
1
90
differential phase (A/B phase) signal (4
×
)
Note One of three multiples can be selected when inputting a 90
differential phase signal (1
×
, 2
×
, or
4
×
). If the 4
×
multiple is selected, the input pulses are multiplied by a factor of 4, so the number of
motor revolutions (speed and angle) are 4 times the number when the 1
×
multiple is selected.
Operation
Chapter 3
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