Speed Control; Basic Settings For Speed Control - YASKAWA Sigma-V Series User Manual

5 Operation

5.3.1 Basic Settings for Speed Control

5.3

Speed Control

This section describes operation with speed control.
Select the speed control with parameter Pn000.1.
Pn000

5.3.1 Basic Settings for Speed Control

This section describes the basic settings for speed control.
(1) Signal Setting
Input the speed reference to the SERVOPACK using the analog voltage reference to control the servomotor
speed in proportion to the input voltage.
Type
Input
Maximum input voltage: ±12 VDC
Input Circuit Example
Example:
Motor rated speed with Pn300 = 006.00: 6.00 V [Factory setting]
Note: The setting value is 600, but it will be displayed on the operator as 006.00.
Speed Refer-
ence Input
Connect the pins for the V-REF signal and SG to the speed reference output terminal on the host controller
when using a host controller, such as a programmable controller, for position control.
Host
controller
D/A
Note: Always use twisted-pair cable to control noise.
5-22
Parameter
n. 0
[Fac-

Speed control

tory setting]
Connector
Signal Name
Pin Number
V-REF CN1-5
SG CN1-6
Rotation Direction
+6 V Forward
–3 V Reverse
+1 V Forward
SERVOPACK
CN1
V-REF
5
SG Approx.
6
14 kΩ
0 V
Meaning
Speed reference input
Signal ground for speed reference input
Motor Speed
Rated motor speed
1/2 rated motor speed
1/6 rated motor speed
Analog
When Enabled Classification
After restart Setup
Name
SGMVV- D B
Servomotor
(Motor Speed: 1500 min
-1
1500 min
-1
-750 min
-1
250 min
-1
)