DA98A AC Servo Drive Unit
User Manual
29
19
Position instruction
smooth filter
① It filters the instruction pulse smoothly, which has an
exponential acceleration/deceleration. Its value represents
the time constant.
② The filter doesn’t lose input pulse, but the instruction lag
may occur.
③ The filter is used for:
z Superordination controllor has no
acceleration/deceleration function;
z The frequency division/multiplication of the electronic
gear is large(>10)
z The instruction frequency is low;
z Motor step leap or unstability may occur in the running.
④ If it is set for 0, the filter doesn’t act.
0~30000×0.1
ms
20
Drive stop input
invalid
Set for
0： For CCW, CW input disable valid. As the CCW drive
switch （FSTP）is ON, CCW drive is enabled; as the CCW
drive switch （FSTP）is OFF, the reverse torque in CCW
direction is held for 0; vice versa for CW. If CCW, CW drive
switch are both OFF, the drive input error alarm will be
issued.
1： For CCW, CW input disable cancel. No matter the CCW,
CW drive switches are in any mode, the CCW, CW drive are
both allowed. If the CCW, CW drive switches are both OFF,
no drive input error alarm is issued.
0~1
21
JOG running
speed
Set the JOG running speed
-3000
r/min
~3000
r/min
22 Reserved
23 Max. speed limit
① Set the max. speed of servo motor.
② It is irrelevant to rotary direction.
③ If the setting value exceeds the rated speed, the actual
max. speed is the rated speed.
0 r/min
~3000
r/min
24 Internal speed 1
① Set the internal speed 1.
② In speed control mode, if SC1, SC2 are both OFF, the
internal speed 1 is regarded as speed instruction.
-3000
r/min
~3000
r/min
25 Internal speed 2
① Set the internal speed 2.
② In speed control mode, if SC1 is ON，SC2 is OFF, the
internal speed 2 is regarded as speed instruction.
-3000
r/min
~3000
r/min
26 Internal speed 3
① Set the internal speed 3.
② In speed control mode, if SC1 is OFF，SC2 is ON, the
internal speed 3 is regarded as speed instruction.
-3000
r/min
~3000
r/min
27 Internal speed 4
① Set the internal speed 4.
② In speed control mode, if SC1 is ON，SC2 is ON, the
internal speed 4 is regarded as speed instruction.
-3000
r/min
~3000
r/min
28 In-position speed
① Set in-position speed.
② In non-position control mode, if the motor speed exceeds
this setting value, SCMP is set for ON，or else SCMP is set
for OFF.
③ This parameter is not used in position control mode.
④ It is irrelevant to rotary direction.
⑤ The comparator has a retardation characteristic.
0 r/min
~3000
r/min
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