Operating Using Speed Control With Analog Voltage Reference; Basic Settings For Speed Control - YASKAWA E-V Series User Manual

5.3
Operating Using Speed Control with Analog Voltage
Reference
This section describes the operation in speed control with analog voltage reference.
Select the speed control with the parameter Pn000.
Parameter
Pn000 n.

5.3.1 Basic Settings for Speed Control

Set the following signal and parameter for speed control with analog voltage reference.
(1) Speed Reference Input
Input the speed reference to the SERVOPACK using the analog voltage reference to control the servomotor
speed in proportion to the input voltage.
Type Signal Name
V-REF
Input
SG
Input Specifications
Maximum allowable input voltage: ±12 VDC
<Setting Example>
Pn300 = 600: 6 V input/Motor rated speed [Factory setting]
Speed
Reference
Input
+6 V
-3 V
+1 V
Connect V-REF and SG to the speed reference output terminals on the host controller when using a host con-
troller, such as a programmable controller, for position control.
Host
controller
D/A
Note: Always use twisted-pair cable to control noise.
Meaning
Control mode selection: Speed control (analog volt-
0
age reference) [Factory setting]
Connector
Pin Number
CN1-5
CN1-6
Movement
Motor Speed
Direction
Forward
Rated motor speed
Reverse
1/2 rated motor speed
Forward
1/6 rated motor speed
SERVOPACK
CN1
V-REF
5
Approx. 14 kΩ
6
or more
SG
0 V

5.3 Operating Using Speed Control with Analog Voltage Reference

When Enabled
Name
Speed Reference Input
Signal Ground
SGLGW-30A Servomotor
1500 mm/s
-750 mm/s
250 mm/s
Classification
After restart Setup
5
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