TPG CA-203A, Руководство по эксплуатации

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Chapter 5 Function parameter
72
both write and read commands.
When units digit of the function code LED is 1, the host computer of inverter responds
read command only, this way can improve communication efficiency.
When tens digit of the function code LED is 0, the inverter will not save the set value at
power failure.
5-2-12.FA Group - Torque control group
Code Parameter name Setting range
Factory
default
Change
Keyboard settings (FA.01) 0
Analog AI1 setting (100% relative
to 2 times of rated inverter current) 1
Analog AI2 setting (same as 1) 2
Panel potentiometer setting (same
as 1)
3
Analog AI1 + AI2 setting (same as
1)
4
Multi-speed setting (same as 1) 5
FA.00
Torque setting
mode selection
Remote communications setting
(same as 1)
6
0
☆
Only when F0.00 = 3, both torque control and FA.00 function code are valid.
Under torque control mode, the inverter outputs torque according to the set output
torque command, the output frequency is limited by upper limit frequency, when the
load speed is greater than the set upper limit frequency, the inverter output frequency
will be limited, at the time the output torque is different from the set torque.
When the torque command is set by the keyboard (FA.00 = 0), the torque
command can be obtained from setting the function code FA.01. When the torque is set
to negative, the motor will reverse. Analog, multi-speed and communication settings,
the set 100.0% corresponds to two times of rated inverter current and the set -100.0%
corresponds to negative 2 times of rated inverter current.
The multi-function input terminals are used to switch between torque control and
speed control.
When the set torque of inverter is greater than the load torque, the inverter output
frequency will rise, when the inverter output frequency reaches the upper limit of the
frequency, the inverter will run at the upper limit frequency.
When the set torque of inverter is less than the load torque, the inverter output
frequency will fall, when the inverter output frequency reaches the lower limit of the
frequency, the inverter will run at the lower limit frequency.
Note: In the state of stop, the inverter automatically switches from torque control
to speed control.
FA.01
Keyboard set
torque -200.0% to 200.0% (rated inverter
current)
50.0% ☆
FA.02 low speed torque 0.000-1.000 0.050 ☆
Chapter 5 Function parameter
73
compensation
FA.03
high speed torque
compensation
0.000-1.000 0.000
☆
Low speed torque compensation is to overcome friction, F5.02 is as cut-off point,
compensation value below F5.02 for FA. 02 values.
High speed torque compensation is to overcome friction, F5.05 is as cut-off point,
compensation value above F5.02 for FA. 05 value.
When setting is between F5.02 and F5.05, compensation value is a linear change.
5-2-13.Fb Group - Control optimization group
Code Parameter name Setting range
Factory
default
Change
Fb.00 Software overcurrent point
0 to 2000A
Depends on
models
★
Fb.01 Software undervoltage point 0 to 500V
Depends on
models
★
Fb.02 Software overvoltage point 300 to 800V
Depends on
models
★
Note: Adjusting these parameter would easily affect protective function of
frequency inverters, recommend user to set Fb.00 to Fb.02 parameters very carefully if
necessary.
Fb.03
Low-frequency threshold point
of oscillation suppression
0 to 500 5 ☆
Fb.04
High-frequency threshold point
of oscillation suppression
0 to 500 100 ☆
But most of the motors that run at certain frequency range occur current shocks,
sometime the motor can not run steadily, even it can lead to the inverter overcurrent.
When Fb.07 = 0, the oscillation suppression is enabled; if Fb.03, Fb.04 set very small,
both the effect of oscillation suppression and the increase of current are more obvious,
conversely, the effect of oscillation suppression is very week.
Fb.05
Amplitude limit value of
oscillation suppression
0 to 10000 5000 ☆
The large voltage boost value of oscillation suppression can be restricted by
setting Fb.05
Fb.06
Demarcation frequency of high
and low frequency of oscillation
suppression 0.00Hz to F0.08
(maximum output
frequency)
12.50Hz ☆
Fb.06 is the demarcation point of function code Fb.03 and Fb.04.