Instruction manual
4.
OPERATION
(4)
Servo
on
Switch the servo on in the following procedure:
(a) Switch on main circuitkontrol power.
(b)
Switch on the servo on signal
(SON)
(short
SON-SG).
When placed
in
the servo-on
status,
the servo amphiier
is
ready to operate and the servo motor is
locked.
(5)
Command
pulse input
Entry of
a
pulse train from the positioning device rotates the servo motor. At Grst, run
it
at
low speed
and check the rotation direction, etc. If it does not run in the intended direction, check the input signal.
On the status display, check the speed, command pulse frequency, load factor, etc. of the servo motor.
When machme operation check
is
over, check automatic operation with the program of the positioning
device.
lbs
servo ampuer
has
a real-time auto tuning function under model adaptive control. Performing
operation automatically adjusts gains. The optimum tuning results are provided by setting the
response level appropriate for the machme
in
parameter
No.
2.
(6)
Zeroing
Make home position return
as
required.
(7)
Stop
In any of the following statuses, the servo ampfier interrupts and stops the operation of the servo
motor:
Refer to Section
3.8,
(2)
for the servo motor equipped with electromagnetic brake. Note that the stop
pattern of stroke end (LSP/LSN)
OFF
is
as described below.
(a) Servo on
(Soh?
OFF
The base circuit
is
shut
off
and the servo motor coasts.
(b) Alarm occurrence
When an alarm occurs, the base circuit
is
shut
off
and the dynamic brake
is
operated to bring the
servo motor to
a
sudden stop.
(c) Forced stop (EMG) OFF
The base circuit
is
shut
off
and the dynamic brake
is
operated to bring the servo motor
to
a
sudden
stop. Alarm A.
E6
occurs.
(d) Stroke end
&SPUN)
OFF
The servo motor
is
brought to
a
sudden stop and servo-locked. The motor may be run in the opposite
direction.
4-
3