5-9
5-2 Speed Control
Accurax G5 AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
5
BASIC CONTROL Mode
CONTROL mode Selection (Pn001)
Select the speed control (Set values: 1=Speed control, 3=Switching between position and
speed control or 5=Switching between speed control and torque control).
Analog Speed Command Input Process (Pn300, Pn301, Pn302, Pn303)
Convert the voltage input by an analog input to a speed command to control the motor.
The conversion of analog speed command is explained below.
Parameter
number
Parameter name Explanation
Setting
range
Unit
Pn300
Command Speed
Selection
Select the speed command input method.
0: Analog torque command
1: No. 1 to 4 internally set speed
2: No. 1 to 3 internally set speed,
analog torque command
3: No. 1 to 8 internally set speed
0 to 3 −
Pn301
Speed Command
Direction
Selection
Select the method for designating
the direction for the speed
command.
0: By analogue command polarity
1: By digital input (VSIGN)
0 to 1 −
Pn302
Speed Command
Scale
Set the input gain for the analog
speed command input.
0 to 2000 (r/min)/V
Pn303
Analog Speed
Command
Rotation Direction
Switching
Set to reverse the polarity of the
speed command input.
0: The +command indicates the
forward direction as viewed from
the shaft end (CW).
1: The +command indicates the
reverse direction as viewed from
the shaft end (CCW).
0 to 1 −
Command
Speed
Selection
(Pn300)
Speed
Command
Direction
Selection
(Pn301)
Analog Speed
Command Rotation
Direction
Switching (Pn303)
Analog
speed
command
(REF)
Speed
command
sign
selection
(VSIGN)
Motor
rotation
direction
Conversion
graph
0
0
0
+Voltage
(0 to 10 V)
Not affected
Forward
direction
Figure A
-Voltage
(-10 to 0 V)
Not affected
Reverse
direction
1
+Voltage
(0 to 10 V)
Not affected
Reverse
direction
Figure B
-Voltage
(-10 to 0 V)
Not affected
Forward
direction
1
Not affected
+Voltage
(0 to 10 V)
OFF
Forward
direction
Figure C
Not affected
-Voltage
(-10 to 0 V)
Not affected
+Voltage
(0 to 10 V)
ON
Reverse
direction
Not affected
-Voltage
(-10 to 0 V)
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