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4
The electric
actuator does
not move
correctly.
Data writing
failure
Is the data (step data or
parameters) written
correctly?
One of the following actions occurred during
data writing (while the power supply LED
(green) was on).
・
Turn off the driver input power supply
・
Disconnected/ connected cables.
Input correct data (step data, parameter)
again and confirm operation.
→ 3.2 Parts description
→ 7. Setting Data Entry
Inappropriate
basic
parameters
Check that the parameter
values are appropriate
and the program is
correct.
Check the maximum speed, maximum
acceleration speed, and maximum
deceleration speed of the electric actuator
again, and then be sure to enter the correct
parameters to check for correct operation.
In particular, check that optional setting 1 is
correct.
→ 7. Setting Data Entry
Incorrect pulse
input
Check that the number of
input pulses recognized
by the LECPA is the same
as the number of pulses
output from the controller
setting kit or the teaching
box.
→
2.5 Procedure (until
operating the electric
actuator)
<When the number of pulses match>
Correct the calculation method for the
number of pulses and electric gear setting.
<When the number of pulses do not
match>
Correct the pulse counts, frequency, and
output mode of the pulses output from the
controller setting kit/teaching box to make
them compatible with the LECPA parameter
settings and specifications.
Insufficient
speed
Inappropriate
basic
parameters
Check that the parameter
values are correct.
Check the max. speed and acceleration
speed of the electric actuator and be sure
to input the correct parameters.
→ 7. Setting Data Entry
Inappropriate
step data
Is the operation pattern
trapezoidal?
In case of such operation, the actuator may
start slowing down before it reaches the
maximum speed. Modify the setting to
make the moving distance longer or the
acceleration larger.
→ 7. Setting Data Entry
Inappropriate
specifications
Check that the
combination of the electric
actuator and driver is
correct?
Check if the electric
actuator is operating within
the specification range.
Check if the product number of the used
electric actuator matches with the electric
actuator which is applicable to the driver.
Check if the operating condition of the
electric actuator is within the specification
range.
→ 3. Product Specifications
Voltage drop
Check if there has been
any temporary voltage
drop in the power supply.
(If there is a temporary
voltage drop in the power
supply, the EMG terminal
of CN1 power connector
will turn OFF so the
actuator will stop.
However, this stop will be
released when the voltage
recovers.)
There is a possibility of a momentary
voltage drop because the capacity of the
power supply is insufficient, or the power
supply has inrush current restraining
specification.
→ 3. Product Specifications
Incorrect pulse
input
Check that the input pulse
frequency is correct.
Input the correct pulse signal to check that
it operates correctly.
→
9. Operation (example)
