4.1 Two-step Trial Operation
4 -7
If there is noise in the reference voltage for speed control, the “--” on the left of the 7-segment LED may flash.
J
J
Operating Using Reference Input
The operating procedure here depends on the user constant settings (control mode selection at
memory switch Pn000.1). Use the following procedure for operations with speed and position
control.
Operating Procedure in Speed Control Mode: Set Pn000.1 to 0
Standard speed control setting is described here.
(CN1-5)
(CN1-6)
V-REF
Servomotor rotates at a speed proportional
to the reference voltage.
SG
Servopack
Servomotor
1.
Gradually increase the reference speed input (V-REF, CN1-5) voltage.The Servomotorwill
rotate.
2.
Check the following items in Monitor Mode. See
6.1.7 Operation in Monitor Mode
.
Un000
Actual motor speed
Un001
Reference speed
·
Has the reference speed been input?
·
Is the motor speed as designed?
·
Does the reference speed coincide the actual motor speed?
·
Does the Servomotor stop when the speed reference is 0?
3.
If the Servomotor rotates at extremely slow speed with 0 V specified for the reference volt-
age, correct the reference offset value as described in
6.2.3 Automatic Adjustment of Speed
and Torque Reference Offset
or
6.2.4 Manual Adjustment of Speed and Torque Reference
Offset
.
4.
Reset the user constants shown below to change the motor speed or direction of rotation.
Pn300
Sets the reference speed input gain
See
5.2.1 Speed Reference
.
Pn000.0
Selects the rotation direction.
See
5.1.1 Switching Servomotor Rotation Di-
rection
.
4
IMPORTANT
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