5-8
5-2 Speed Control
OMNUC G5-SERIES 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: Use the sign of the speed
command
Example: +: Forward
−: Reverse
1: Use the speed command sign
selection (VSIGN)
Example: OFF: Forward
ON: Reverse
0 or 1 −
Pn302
Speed Command
Scale
Set the input gain for the analog
speed command input.
10 to 2000 (r/min)/V
Pn303
Analog Speed
Command
Rotation Direction
Switching
Set to reverse the polarity of the
speed command input.
0: The rotation direction is controlled
by the voltage of the analog speed
command (REF).
Positive voltage: Forward
Negative voltage: Reverse
1: The rotation direction is controlled
by the voltage of the analog speed
command (REF).
Positive voltage: Reverse
Negative voltage: Forward
0 or 1 −
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