4 Common function of VB

= **Start up** =

~1. Keyboard start and stop, panel potentiometer speed regulation. (F5.17 adjusts the change amplitude of the panel potentiometer)

4

F0.01=0

F0.03=1

2. The switch starts and stops, and the external voltage potentiometer is used for speed regulation. (AI1: 0-10V input; AI2: 0-20mA/0-10V, realized by AI2 jumper cap)

F0.01=1

F0.03=2

3. The switch starts and stops, the panel up and down keys adjust the speed, and the remote terminal switch is required to control the speed up and down. (Set terminal UP and terminal DOWN in the multi-function terminal). (Control frequency in two places)

F0.01=1

F0.03=1

F5.02=6

F5.03=7

4. Switch start and stop, two switches, when operating the normally open button of one switch, lightly jog, the inverter starts; when operating a normally closed button of the other switch, lightly jog, the inverter stops , Use the three-wire system function.

F0.01=1

F0.03=1

F5.02=3

F5.16=2

5. Two places to control the speed. The inverter on one device needs two positions to control the frequency (speed). Speed (the main and auxiliary frequency sources are used for speed regulation).

F0.03=1

F0.04=2

F0.07=01

6. On some equipment, two potentiometers are required to adjust the speed, one potentiometer 0-10V controls 20HZ, and the other potentiometer controls 0-10V control 25HZ so that the spindle frequency is superimposed, and the frequency is 45HZ.

F0.03=2

F0.04=3 (AI2 jumper is voltage input)

F0.07=01

F5.21=40

F5.25=50

7. The customer needs a fixed speed operation. If it needs to run at 30Hz, there is no need to adjust any place to change the speed. After stopping and then turning on, the operating frequency is still running at 30HZ. How to set the parameters?

F0.03=0

F0.08=30

8. The customer requires the terminal to start. After a power failure, the terminal must be triggered again to start. How to set the parameters?

F0.01=1

F8.18=1

= **Acceleration time** =

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~1. When the device is started, the customer feels that the startup time is too long or the startup time is too short, which parameters need to be modified? (This parameter should be fine-tuned appropriately according to the equipment load. Improper setting can easily cause fault alarms such as overcurrent).

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F0.18 (appropriate setting) etc.

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= **Deceleration time** =

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~1. After the equipment is started, the customer feels that the deceleration (stopping) time is too long, which parameters need to be modified? (This parameter needs to be fine-tuned according to the equipment load. Improper setting may easily cause fault alarms such as overcurrent).

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F0.19 (appropriate setting), etc.

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= **Stop DC braking** =

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~1. The inverter is used on a CNC lathe, and the customer needs to stop quickly, that is, brake, which parameters should be set to make the motor stop quickly? (stop DC braking function)

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F1.10=0 (must decelerate to stop)

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F1.11 Appropriate setting

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F1.12 Appropriate setting

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F1.13 Appropriate setting

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F1.14 Appropriate setting

= **Torque boost** =

~1. When the inverter is started, the customer reported that the inverter is driving the motor load at low frequencies and is weak at low frequencies, and the torque needs to be increased. Which parameter should be set appropriately?

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F4.01 (set appropriately) or change to vector control

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99

= **Carrier frequency** =

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101

~1. Customers report that there are noises such as harsh screams when the motor is running, or the temperature of the running motor is too high, or when the communication function encounters interference, the function parameter needs to be adjusted to improve the effect.

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F0.16 (appropriate setting)

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= **Upper limit frequency** =

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1.50HZ operation can not meet the needs of customer equipment, the customer needs to adjust the frequency to 100Hz, what parameters need to be set at this time?

F0.10=100

F0.12=100

= **Lower limit frequency** =

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~1. The user needs the inverter to stop after decelerating to 5HZ, which parameter should be set?

F0.14=5

F0.15=1

= **Restore factory value** =

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~1. The customer reports that the parameters are messed up, how to restore the factory value?

F0.20=1

= **Fault clearing** =

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~1. The fault record can only be recorded 15 times in total. Now the customer needs to clear the fault record, how to set it? Which parameter can make the inverter fault record automatically reset, how many times at most?

F0.20=2

FA.08=5

FE.01=15

= **Starting frequency** =

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~1. The customer needs the inverter to start running at 5HZ, how to set it?

F1.03=5

= **PLC operation** =

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~1. The simple PLC automatic operation function is used on the equipment, the first stage speed is forward rotation, the forward rotation needs 15HZ, and the operation is 5S, the first stage speed is reverse rotation, the reverse rotation requires 20HZ, and the operation is 10S, and now the customer needs to rotate forward and stop. After 10S, it starts to run in the reverse direction. After 10S after the reverse stop, it starts to run forward again, and the cycle is repeated. Which parameter should be set? (Control the acceleration and deceleration time)

F0.03=7

FD.00=30

FD.01=0

FD.02=-40

FD.03=0

FD.18=5

FD.20=10

FD.22=10

FD.24=10

(Or call F8.12 forward and reverse dead time)

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= **Jump frequency** =

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169

~1. In order to avoid the resonance point (vibration point) of the negative cutting of the machine when the inverter is driving the load, which function is needed, and how to set the parameters appropriately for this function? At 10HZ, the vibration range is 2HZ. (Hop frequency)

F8.09=10

F8.11=2

= **Jog frequency** =

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~1. According to customer equipment requirements, a normally open button is needed to give the inverter a jog speed. How do you set the function that needs to be used? And the jog function also requires that the jog frequency acceleration and deceleration time be shortened, so set that parameter The jog frequency is 10Hz, and the acceleration and deceleration time is 5s.

F8.00=10

F8.01=5

F8.02=5

= **Multi-speed** =

~1. According to the different equipment speed, the customer needs 4 speed stages, the first stage is 40HZ, the second stage is 25HZ, the third stage speed is 10HZ, the fourth stage speed is 50HZ, usually the keyboard potentiometer speed control, how To set which parameters and wiring to meet customer needs.

F0.03=6

F5.02=12

F5.03=13

F5.04=14

F5.05=15

FD.01=80

FD.02=50

FD.04=20

FD.08=100

FD.51=6

F0.04=1(0)

Up to 16 speeds can be achieved, please refer to page 78 of the manual for details.

= **Free stop** =

1.On some equipment, the equipment does not require deceleration to stop, but the motor stops slowly with the load inertia when it is stopped. For example, when the fan is stopped, the fan needs to be stopped by the load. Which parameter should be set?

F1.10=1

= **Reversal is prohibited** =

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~1. On some devices, customers do not need the motor to reverse, and they are also worried that during the forward rotation, some operators may improperly operate or press the reverse key on the wrong keyboard, which will cause the inverter to reverse and affect the normal operation of the equipment. Now the customer needs us to give him a parameter to prohibit the motor from reversing, which parameter should be set?

F8.13=2

2. The motor originally rotates forward, but when the customer connects the phase sequence UVW of the motor wire, it is difficult to confirm. When the inverter is started, the motor reverses. Now the customer does not need to change the phase sequence UVW of the motor wire. If there is a parameter that can be directly set , Let the motor normally change to forward rotation.

F0.09=1

= **Analog output function** =

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~1. The customer needs to install an ammeter on the power distribution cabinet to display the output current. The wiring is AO1 and GND. In the corresponding function of the parameter group, which parameter should be set? The ammeter can display the output current.

F6.12=2

2. The customer connects a 0-10V tachometer, and finds that the motor speed display is a bit wrong. For example, when running at 50Hz, the speed displayed on the tachometer cannot reach it. How to adjust?

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You can measure the output voltage between AO1 and GND and adjust the value of F6.15 and F6.16

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= **Digital input function** =

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~1. Since an external switch is needed on the device to control the emergency stop of the motor, which function parameter should be set?

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F5.02=10

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2. The customer needs to set forward jog and reverse jog functions on the inverter, how to set and wire it?

F5.02=4

F5.03=5

3. When the inverter fails, an external switch is needed to operate the reset function when the inverter fails. How to set and wire?

250

F5.02=9

251

4. The inverter terminals control forward and reverse running. Which function parameter should be selected in the multi-function digital input terminal?

F0.01=1

F5.00=1

F5.01=2

5.How to set the remote control frequency if the customer needs an external button?

F5.02=6

F5.03=7

= **Digital output function** =

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~1. The customer needs to use the FM open-collector output function. When the inverter fails, output a switch value to make the fault alarm lamp/fault buzzer act, so that the on-site operator knows that the inverter has a fault alarm and what to do Setup and wiring?

F6.00=1

F6.01=2

2. When the inverter runs more than 20HZ, the relay T1A and T1C terminals output a switch value to control an indicator light, so that the indicator line is connected and the indicator light is on. How to set up and wire?

F6.02=41

F6.28=0

F6.29=11

F6.21=2000

3. When AI1 input is required to be greater than 3.00V and less than 6.00V, relay 1 is closed, how to set the parameters?

F6.02=41

F6.28=9

F6.29=13

F6.31=300

F6.32=600

4.The customer requires relay 1 to act when rotating forward or reverse, how to set it?

F6.02=1

= **Motor parameter setting and self-learning** =

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299

~1. Familiar with the motor self-learning function.

300

Need to input the motor parameters F2.01, F2.02, F2.03, F2.04, F2.05 to adjust the value of F2.11 to 1 (premise F0.01=0) or 2, press ENT first, Press RUN again, the self-learning is completed when the panel returns to the monitoring interface. (Necessary operation when changing to vector control)

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302

= **Display monitoring** =

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~1. Master the functions of F7.03, F7.04, and F7.05, all of which are used for display and monitoring. Please refer to page 35 of the manual for details

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306

= **Operating mode selection** =

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308

~1. Master the definition of each control mode of the F0.00 parameter group.

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310

Vector control, V/F control

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312

= **Analog signal gain** =

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~1. The user uses the AI1 terminal function, and the device is given a voltage of 0-5V for speed regulation. Which parameter should be modified accordingly?

F0.03=2

F5.20=5

2. The user uses the AI2 terminal function, and the device is given a 4-10MA (for example) current speed control, which parameter should be modified accordingly?

F0.03=3

F5.23=2

= **Parameter protection** =

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~1. The protection parameters cannot be modified and the parameters are locked.

F0.21=1

2. The user needs to set a password to prevent some operators from adjusting parameters randomly. Which parameter should be set?

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FE.00 = non-zero number

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336

= **Set running time action** =

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~1. The customer sells the machine to the user, worrying that the customer did not pay on time, set some parameters inside the inverter. After the inverter has been running for 10 hours, the inverter will automatically stop and cannot start. Wait for the user to pay before the machine can run. How to set parameters for such a function?

FE.00=Set password

F8.17=10+F7.09

F8.23=1

= **Display monitoring options** =

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347

~1. The user requires the inverter to display only the speed during operation, which parameter should be modified?

F7.03=4000

F7.06=Speed fine-tuning coefficient

352

2. The user requires the inverter to display various states during shutdown. Which parameter can be set?

F7.05

= **Constant pressure water supply** =

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358

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.

359

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.

360

F0.20=1 Factory data reset

A4.00=1

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.

367

F0.20=1 Factory data reset

368

F0.03=8

369

F5.23=2

370

F9.01=Upper limit water pressure

F9.02=1 (AI2)

F9.28=1

F9.29=Target value

F9.31=Lower limit water pressure

375

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377

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** =

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[[image:生产流程图.png]]

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~1. To be familiar with the PID function of constant pressure water supply, the feedback signal sources are remote pressure gauges and pressure transmitters. How to wire and which parameters should be set? For example, the maximum range of the remote pressure gauge is 1Mpa, and the current user needs to set the panel 0.45 MPa kg pressure, how to set the pressure?

385

F0.01=0 (panel start and stop)/1 (terminal start and stop)

F0.03=8

F9.00=0

F9.01=45

F9.02=7

F9.05=80

F9.06=2

F9.07=0

F9.28=1

F9.29=45.5

F9.30=3

F9.31=40

F9.32=0

= **Communication function** =

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413

~1. Familiar with RS485 communication function, communication address, communication speed, communication format, how to set it? Familiar with the address of communication function?

414

Please refer to page 129 of the manual

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416

Commonly used address: Setting frequency: 1000H (Premise F0.03=9)

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418

Control operation command address: 2000H (premise F0.01=2)

= **Grounding** =

~1. Understand the meaning and function of the ground wire and connect it correctly.

423

The grounding terminal E of the inverter must be well grounded, the grounding resistance should be less than 102, and the grounding wire should be thick and short. Multi-strand copper core wire of 3.5mm2 or more should be used.

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425

= **Peripheral lines** =

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427

~1. Understand the role of peripheral line equipment:

Open

AC contactor