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"B" Group: Fine Tuning Functions Section 3-6
The inverter mode cannot be changed just setting b171. After setting b171, be
sure to execute initialization to activate new mode.
Actual inverter mode can be monitored with d060.
Once high frequency mode is set, initialization can be done just by setting
b084, b085, b094 and setting b180, it is not needed to set b171 .
Main differences between high frequency and std. mode are as follows.
"B" Function Run
Mode
Edit
Defaults
Func.
Code
Name Description EU Units
b171 Inverter mode selection Three option codes:
00 No function
01 Std. IM (Induction Motor)
02 High frequency IM
03 PM (Permanent Magnet Motor)
8 00
Function High frequency
mode
Standard mode Permanent Magnet
Rating HD HD ND HD
Max. freq. (A004) 1000Hz 400Hz 400Hz 400Hz
Start freq. (b082) 0.10 to 100.0 (Hz) 0.10 to 9.99 (Hz) 0.10 to 9.99 (Hz) 0.10 to 9.99 (Hz)
Carrier freq. (b083) 2.0 to 10.0 (kHz) 2.0 to 15.0 (kHz) 2.0 to 10.0 (kHz) 2.0 to 15.0 (kHz)
V/f characteristic curve
(A044)
00: Const. torque
01: Reduced torque
02:Free V/f
00: Const. torque
01: Reduced torque
02:Free V/f
03:SLV
00: Const. torque
01: Reduced torque
02: Free V/f
Not available
HD mode
b049: 00
d060: 1-C
ND mode
b049: 01
d060: 1-v
High freq. mode
d060: H-1
Normal mode (㨪400 Hz)
HD mode
High freq. (㨪1000 Hz)
Permanent magnet
mode
d060: P
Permanent magnet mode
b171 = 01
+ init.
b049 = 01
b049 = 00
b171 = 02
b171 = 02
+ init.
+ init.
b171 = 03
+ init.
b171 = 03
+ init.
b171 = 03
+ init.
ND mode
b171 = 01
+ init.
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