YASKAWA GPD315/V7-4X User Manual

2-5
DIGITAL OPERATOR
DESCRIPTION KEY SEQUENCE DISPLAY
Table 2-1. Open Loop Vector Startup Procedure - Continued
Set the motor “no load
current” in the drive.
Motor no load current is set
as a percentage of motor
rated current. It is calculated
using the formula:
I
noload
*100 = n110
I
rated
Where:
I
noload
= Motor no load current
(measured in the
previous step)
I
rated
= Motor rated current
(from motor
nameplate)
Example:
2.5 * 100
= 60
4.2
Press the key four times.
DSPL
This completes the startup.
Make further programming
changes as required.
Press the key to get out of the
programming mode.
DSPL
(1)
The number in the display may be different than shown.
(2)
Motor synchronous speed can be calculated using the following formula:
120 x motor rated frequency
synch. speed =
number of motor poles
For 60 Hz Rated Motors
P
oles Synchronous Speed
2 3600 RPM
4 1800 RPM
6 1200 RPM
8 900 RPM
PRGM
PRGM
PRGM
PRGM
FREF
Press the key.
DATA
ENTER
Press the key.
Use the & keys until the
number in the display matches calculated no-
load current.
V
V
DATA
ENTER
Press the key four times.
V
(1)
(1)

YASKAWA GPD315/V7-4X Specifications

General

Brand	YASKAWA
Model	GPD315/V7-4X
Category	DC Drives
Language	English