YASKAWA F7 User Manual page 179

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Parameter Parameter Name
No. Digital Operator Display
Magnetic Field
d6-01 Weakening Level
Field-Weak Lvl
Magnetic Field Frequency
d6-02
Field-Weak Freq
Magnetic Field Forcing Func-
d6-03 tion Selection
Field Force Sel
Magnetic Field Forcing Limit
d6-06
Field Force Limit
Input Voltage Setting
E1-01
Input Voltage
V/F Pattern Selection
E1-03
V/F Selection
Denotes that parameter can be changed when the Drive is running.
* For Heavy Duty (HD) Rating: Setting Range=0.0 to 300.0. For Normal Duty (ND) Rating: Setting Range=0.0 to 400.0.
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Table A.1 F7 Parameter List (Continued)
Description
Field-Weakening
Sets the Drive output voltage when the multi-function input "field
weakening command" is input (H1-XX = 63). Sets as a percentage
taking the voltage set in the V/F pattern as 100%.
Sets the lower limit (in Hz) of the frequency range where field
weakening control is valid. The field weakening command is valid
only at frequencies above this setting and only when output
frequency is in agreement with the current output frequency
(speed agree).
Sets the magnetic field forcing function.
0: Disabled
1: Enabled
Sets the upper limit of the excitation current command during
magnetic field forcing. A setting of 100% is equal to motor no-load
current, E2-03.
V/F Pattern
Set to the nominal voltage of the incoming line. Sets the maximum
and base voltage used by preset V/F patterns (E1-03 = 0 to E),
adjusts the levels of Drive protective features (e.g. Overvoltage,
braking resistor turn-on, stall prevention, etc.).
WARNING
DRIVE INPUT VOLTAGE (NOT MOTOR VOLTAGE)
MUST BE SET IN E1-01 FOR THE PROTECTIVE
FEATURES OF THE DRIVE TO FUNCTION PROPERLY.
FAILURE TO DO SO MAY RESULT IN EQUIPMENT
DAMAGE AND/OR PERSONAL INJURY.
Set to the type of motor being used and the type of application.
The Drive operates utilizing a set V/F pattern to determine the
appropriate output voltage level for each commanded speed. There
are 15 different preset V/F patterns to select from (E1-03 = 0 to E)
with varying voltage profiles, base levels (base level = frequency at
which maximum voltage is reached), and maximum frequencies.
There are also settings for Custom V/F patterns that will use the set-
tings of parameters E1-04 through E1-13. E1-03 = F selects a cus-
tom V/F pattern with an upper voltage limit and E1-03 = FF selects
a custom V/F pattern without an upper voltage limit.
0: 50Hz
1: 60Hz Saturation
2: 50Hz Saturation
3: 72Hz (60Hz Base)
4: 50Hz VT1
5: 50Hz VT2
6: 60Hz VT1
7: 60Hz VT2
8: 50Hz HST1
9: 50Hz HST2
A: 60Hz HST1
B: 60Hz HST2
C: 90Hz (60Hz Base)
D: 120Hz (60Hz Base)
E: 180Hz (60Hz Base)
F: Custom V/F
FF: Custom w/o limit
Parameters A - 14
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Control Method
Setting Factory
V/F
Range Setting
V/F
w/PG
0 to 100 80% A
Varies
by
0.0Hz A
Duty
Rating*
0 to 1 0 -
100 to
400% -
400
155.0 to
255.0
(240V) 230.0V
or Q
310.0 to 460.0V
510.0
(480V)
0 to FF F Q
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Open
Flux
Loop
Vector
Vector
A - -
A - -
- - A
- A A
Q Q Q
Q - -