YASKAWA SGDV SERVOPACK, User Manual

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5 Operation
5.3.1 Basic Settings for Speed Control
5-22
5.3
Speed Control
This section describes operation with speed control.
Select the speed control with parameter Pn000.1.
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.
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.
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.
Note: Always use twisted-pair cable to control noise.
Parameter Meaning When Enabled Classification
Pn000
n.

0

[Fac-
tory setting]
Speed control After restart Setup
Type Signal Name
Connector
Pin Number
Name
Input
V-REF CN1-5 Speed reference input
SG CN1-6 Signal ground for speed reference input
Speed Refer-
ence Input
Movement Direction Motor Speed SGLGW-30A Servomotor
+6 V Forward Rated motor speed 1500 mm/s
–3 V Reverse 1/2 rated motor speed –750 mm/s
+1 V Forward 1/6 rated motor speed 250 mm/s
SG
CN1
6
V-REF
5
D/A
0 V
Approx.
14 k
Ω
SERVOPACK
Host
controller
Analog