Changes for page 4 Common function of VB

Last modified by Theodore Xu on 2025/02/27 09:58

From 18.1 to 19.1 From 36.1 to 37.1

From version 19.1

edited by Theodore Xu
on 2024/04/09 17:12

Change comment: There is no comment for this version

To version 36.1

edited by Theodore Xu
on 2024/07/31 11:00

Change comment: There is no comment for this version

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@@ -1,3 +1,13 @@
++= Parameters uploading and downloading =
++
++Parameter uploading and downloading is only supported between the same models.
++
++1.Press MF.K and ↑ and wait while the keyboard displays "u~-~-~-~-", the keyboard is uploading the parameters.
++
++2.Remove the keyboard and install to other VB.  Please be careful to align the pins when unplugging and plugging in the keyboard.
++
++3.Press MF.K and ↓ and wait while the keyboard display"d~-~-~-~-", the keyboard is downloading the parameters.
++
  = **Start up** =
  ~1. Keyboard start and stop, panel potentiometer speed regulation. (F5.17 adjusts the change amplitude of the panel potentiometer)
@@ -357,24 +357,24 @@
  The following example uses a current sensor to simulate a water pressure test, the sensor specification is 4-20mA current signal, the range is 16 bar. use the sensor to connect to the AI2 terminal port of the VB.
  Firstly please check the software version of **F7.11**, **F7.11 **is software version, if the **F7.11 **is greater than 2.064, please use A4 parameter group, A4 parameter group is special parameter for constant pressure water supply project.
--F0.20=1 factory data reset
++F0.20=1 Factory data reset
  A4.00=1
--A4.01=set pressure
++A4.01=Set pressure
  A4.03=Sensor range
  A4.04=0
  If the value of F7.11 is less than or equal to 2.064, use PID parameter group F9.
--F0.20=1 factory data reset
++F0.20=1 Factory data reset
  F0.03=8
  F5.23=2
  F9.01=Upper limit water pressure
  F9.02=1 (AI2)
  F9.28=1
--F9.29=Set pressure
++F9.29=Target value
  F9.31=Lower limit water pressure
--In the parameter setting of group F9, 20mA is the maximum value of the transducer with a range of 16bar, and F9.01/F9.29/F9.31 are the setting parameters for the water pressure in the VB in percentage. For example when the inverter is required to keep the pressure at 8bar, modify F9.29=50%. F9.01 is the upper limit of water pressure setting, it needs to be greater than or equal to F9.29, it is recommended to set F9.29=F9.01
++In the parameter setting of group F9, 20mA is the maximum value of the transducer with a range of 16bar, and F9.01/F9.29/F9.31 are the setting parameters for the water pressure in the VB in percentage. For example when the inverter is required to keep the pressure at 8bar, modify F9.29=50%. F9.01 is the upper limit of water pressure setting, it is recommended to set F9.29=F9.01,of course you can set F9.01=80%,it needs to be greater than or equal to F9.29. If when the control effect of the inverter is slow or the descent time is too long, try reducing the integration time: F9.06 = 0.5 or 1.0.
  = **PID function** =
@@ -417,10 +417,6 @@
  Control operation command address: 2000H (premise F0.01=2)
--= **Safety and precautions** =
--
--~1. Familiar with product standard technical specifications. Please refer to the manual
--
  = **Grounding** =
  ~1. Understand the meaning and function of the ground wire and connect it correctly.
@@ -446,20 +446,91 @@
  Braking resistor
--= **Power and current value** =
++= **EMC** =
-- ~1. Familiar with the rated current of the inverter in different power ranges, please refer to the manual
++ The input terminal of the inverter has EMC screw access option.
--= **Braking resistor** =
++* EMC Screws Installation Role: Filter out the common mode interference signals on the input side to the ground.
++* EMC Screw Removal Function: When the grounding of the whole equipment system is unstable, it is easy for the interference signal to enter the input terminal of the VFD, which leads to the inaccurate operation of the terminal motor, and then it is necessary to remove the EMC screws on the machine in order to solve the influence of external interference.
-- ~1. Familiar with the selection of braking resistor. Under what conditions do you need to install a braking resistor? How to install the braking resistor?
++(% class="box infomessage" %)
++(((
++Do not remove the EMC unless there are special circumstances.
++)))
--Braking resistors are installed on the and PB ends of the inverter (built-in braking unit)
++(% style="text-align:center" %)
++[[image:企业微信截图_16890580824807.png||height="394" width="284"]]
--= **Fault code and troubleshooting** =
++
-- ~1. Familiar with various fault codes and countermeasures to deal with faults.
++= Torque mode control on winding project =
--= **Installation guidance required by EMC** =
++Torque mode can only be vector control, torque control refers to the strength, that in the torque mode F0.03 is the default value, modify F0.03 for other values is invalid.
-- The input terminal of the inverter has EMC screw access option.
++Debugging ideas:
++
++~1. According to the application requirements of the torque command and the upper limit of the frequency.
++
++2. Set the frequency acceleration/deceleration time F0.18/F0.19 and the torque acceleration/deceleration time F3.14/F3.15, the torque acceleration/deceleration time is less than or equal to the frequency acceleration/deceleration time.
++
++3. Start the motor and observe whether the motor can run or not, if it can't run normally, rotate the motor with external force, if it can be started, it is judged to be necessary to increase the static friction coefficient compensation.
++
++4. After the motor is running, observe the motor running state, if the motor is blocked, check whether it is shaking when it is blocked, if it is shaking, increase F3.07, generally 0.01 amplitude increment.
++
++5. When the torque command F3.10 is lower than the percentage of "no-load current / rated current", the running frequency is about: rated frequency * torque command percentage * rated current / no-load current.
++
++6. Static Friction Compensation Logic: During startup, the torque command 1 = F3.11* F3.24 /100 is passed to the performance; after a maintenance time of F3.25 seconds, it reverts to torque command 2 = F3.11; the switching of torque commands 1 /2 occurs through the torque acceleration and deceleration times F3.14 / F3.15;
++
++7. Auxiliary debugging parameters: filter coefficient F3.07 and static friction compensation F3.24/ F3.25.
++
++F0.00=0 Vector control
++
++F0.18=2.0 Acceleration time
++
++F0.19=2.0 Deceleration time
++
++F2.01=Motor rated power
++
++F2.02=Motor rated voltage
++
++F2.03=Rated motor current
++
++F2.04=Rated motor frequency
++
++F2.05=Rated motor speed
++
++F2.11=1 Static tuning
++
++F3.01=0.2 Speed loop integration time
++
++F3.07=0.005 Speed loop filter coefficient
++
++F3.09=1 Torque control
++
++F3.10=1 Torque control upper limit source
++
++F3.11=200 Torque upper limit setting
++
++F3.12=50 Torque control maximum frequency
++
++F3.14=1.2 Torque control acceleration time
++
++F3.15=1.2 Torque control deceleration time
++
++F3.16=120 Torque stiffness factor
++
++Torque control commissioning instructions:
++
++F0.18: Frequency acceleration time
++
++F0.19: Frequency deceleration time
++
++F3.14: Torque acceleration time
++
++F3.15: Torque deceleration time
++
++F3.07: Frequency low-pass filtering factor
++
++F3.24: Static friction compensation
++
++F3.25: Static friction compensation time

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