E: Motor Constant Constants - YASKAWA Varispeed G7 Instruction Manual

E: Motor Constant Constants

The following settings are made with the motor constant constants (E constants): V/f characteristics and motor
constants.
V/f Pattern: E1
User constants for V/f characteristics are shown in the following table.
Name
Con-
stant
Num-
Display
ber
Input volt-
Set the Inverter input voltage in 1
age setting
volt.
E1-01
This setting is used as a reference
Input Volt-
value in protection functions.
age
V/f pattern 0 to E: Select from the 15 preset
selection
E1-03 F: Custom user-set patterns
V/F Selec-
(Applicable for settings E1-04
tion
to E1-10.)
Max.
output
frequency
E1-04
Max
Frequency
Max.
voltage
E1-05
Max
Voltage
Base
Output voltage (V)
frequency VMAX
(E1-05)
E1-06
(V BASE)
(E1-13)
Base
Frequency
VC
(E1-08)
Mid. output VMIN
(E1-10)
frequency
E1-07
Mid
To set V/f characteristics in a
Frequency
straight line, set the same values for
A
E1-07 and E1-09. In this case, the
Mid. output setting for E1-08 will be disre-
frequency garded.
voltage Always ensure that the four fre-
E1-08
quencies are set in the following
Mid
manner:
Voltage A
E1-04 (FMAX) ≥ E1-06 (FA) > E1-
07 (FB) ≥ E1-09 (FMIN)
Min. output
frequency
E1-09
Min
Frequency
Min. output
frequency
voltage
E1-10
Min
Voltage
Setting
Description
Range
155 to
255
*1
patterns.
0 to F
40.0 to
400.0
*5
0.0 to
255.0
*1
0.0 to
400.0
*5
FMIN FB FA FMAX
(E1-09) (E1-07) (E1-06) (E1-04)
0.0 to
Frequency (Hz)
400.0
0.0 to
255.0
*1
0.0 to
400.0
*5
0.0 to
255.0
*1
Control Methods
Change
Open
Factory during
V/f Loop
Setting Opera-
V/f with Vec-
tion
PG tor
1
200 V
No Q Q Q
*1
F No Q Q No
60.0
No Q Q Q
Hz
*2
200.0
No Q Q Q
V
*1*2
60.0
No Q Q Q
Hz
*2
3.0 Hz
No A A A
*2
11.0 V
No A A A
*1 *2
0.5 Hz
No Q Q Q
*2
2.0 V
No A A A
*1 *2
User Constant Tables
MEMO-
Open
BUS
Flux Loop
Page
Regis-
Vec- Vec-
ter
tor tor
2
4-5
Q Q 300H
6-120
No No 302H 6-120
Q Q 303H 6-120
Q Q 304H 6-120
Q Q 305H 6-120
No No 306H 6-120
4-18
No No 307H
6-120
A Q 308H 6-120
4-18
No No 309H
6-120
5-
33