Frequently Asked Questions

The service life is determined by the operating conditions and compliance with periodic maintenance (TO). If you carry out TO on time and comply with the operating conditions (see Table 3.1 of the Operation Manual), then the frequency converter will last at least 10 years without any emergency situations.

The warranty is 1 year from the date of shipment. In case of failure during the warranty period, it is strictly forbidden to open the case of the frequency converter yourself. PROMPOWER has a number of authorized service partners (see the PROMPOWER website), who will perform diagnostics and repair of the equipment in the shortest possible time. To contact the service, you must fill out the claim form in as much detail as possible (posted on the PROMPOWER website) and send a scan of it to the selected service center.

The PD310 has phase loss protection. It is enabled by default. The setting is made using parameter F9-14.

PD310 supports 2 options for auto-tuning parameters: without rotation and with engine rotation. Tuning with rotation allows you to more accurately tune the control system for the motor used and is necessary when working in vector mode without a speed sensor. Tuning without rotation is performed when it is not possible to perform tuning with rotation, for example, when the motor is connected to a load.

There is protection against short circuit at the output of the frequency converter.

This error may occur in one of the following situations: the input voltage of the frequency converter is higher than the nominal value, the electric motor is in a braked state, the braking time is short.If the supply voltage is within the permissible limits, then most likely it is necessary to install a braking resistor or increase the braking time.

Pt100, Pt1000, KTY84 can be connected to PD310 via the optional PD310IO1 I/O expansion board. The current motor temperature can be viewed in parameter U1-45.

The ambient temperature should be -10~50?, the rated output current should be reduced by 1% for every 1? at 40~50?

It can be roughly assumed that if the cable length does not exceed 60 m, then no additional devices need to be installed at the FC output. If the length is over 60 m, it is recommended to install a choke or sin-filter. More detailed information is in the operating manual, table 8-5.RTS thermistor

It is recommended to perform regular maintenance every 3-4 months. If the frequency converter operates in adverse environmental conditions, operates with strong vibrations, in sea coast conditions or operates with derating, the maintenance frequency should be reduced to 2-3 months. For more information on maintenance, see Chapter 7 "Maintenance" of the operation manual.

To protect the FC from short circuits at the input, it is necessary to install fast-acting fuses (for semiconductor equipment). Automatic switches do not provide protection against short circuits.

It is recommended to install a choke in the following cases: the drive power supply network has a capacity of more than 500 kVA or exceeds the drive power by 10 times; reactive power compensation devices or powerful semiconductor devices are installed in the drive power supply network; the voltage imbalance of the supply phases exceeds 3%; the power factor of the power supply network is less than 90%

Yes, PD310 can implement 4-20mA mode. To do this, you need to set the analog input to 0-20mA mode and set scaling for the minimum value of 4mA = 0% of the setpoint. For more information, see the Operation Manual, section 4.6.3 Analog Inputs. It should be noted separately that PD310 converts the signal from mA to volts, while 20mA corresponds to 10V.

The PD310 frequency converter supports Modbus RTU, and with the help of optional boards can support the following protocols: Profibus-DP, Profinet, Ethernet (Modbus TCP/IP), EtherCAT, CANOpen

Yes, PD310 supports modes of operation with positive and negative logic of discrete signals. For discrete inputs, the mode is changed by jumper J6 on the control board, for discrete output by switch S3.

There is no STO function.

There is a built-in EMC filter class C3 according to IEC 61800-3:2018 (at factory settings of PWM frequency and cable length up to 20 m)

It is most correct to select a converter based on the nominal current of the motor. There are cases when the motor current exceeds the "typical" values, and when selecting by power, the frequency converter will "go" into overload protection. In addition, it is important to consider the nature of the drive mechanism load. For example, for pump and crane drives of the same power, converters of different power are required. More details on this can be found in Chapter 2.4 of the Operation Manual

You can connect the PTC to one of the discrete inputs and set the value in parameters F05.00-F05.03 (Discrete input functions): 27 (External error (normally closed contact)). Then, when the PTC reaches the nominal response temperature, the drive will stop due to error Err21 (External error)

Yes, there is a special register 0x2002 for this with a range of 0….7FFF which corresponds to 0...100%

To calculate the values ??for calibrating the current by phases (parameters C06, C07, C08), it is necessary to measure the current value in steady-state mode, divide by the value displayed at that moment on the soft starter panel and multiply by 100. To configure the display of the current by three phases on the display, it is necessary to set 1 in parameter E01.

It is necessary to check the presence of an external jumper between terminals 3-6 (operation prohibition).

The last 3 fault events are recorded. The error code, rotation speed, current, DC voltage, input/output status, drive status are recorded.

The PD310 has a torque control function, with which you can adjust the tension.

The frequency converter PD310 has the ability to alternately control 2 motors with different capacities and settings

Software for setting up and monitoring the parameters of the PD310 frequency converter is posted on our website. It is called PDSoft.

Yes. It is possible to change the U/f curve. It is possible to set a custom U/f dependence or U/f in a fixed degree.

This function can be implemented using the underload protection present in the frequency converter.

It is possible to change the speed using discrete inputs by selecting one of 16 preset speeds.

Yes, the frequency converter has a function of automatic pickup of a rotating motor.

The pressure can be maintained using the built-in PID controller in the frequency converter. Pressure sensors can be connected as a current signal to the analog input.

Yes, there is a protection function. It can be activated by setting the S-shaped acceleration profile.

There is a function to control the motor brake. Parameter group A2.

Power voltage can be supplied to the frequency converter 12 times per hour with equal breaks. The engine can be started from the frequency converter an unlimited number of times.

No, it is not possible. The GND and COM terminals are isolated from each other and from the common ground PE.

It is necessary to connect it to the power supply network for 1 hour without load. If the storage period is 2 years, without annual switching on, then it is necessary to carry out the formation of capacitors.

It is possible to connect several motors, but only in scalar control, while the output current of the converter must be greater than (total motor currents) * 1.05 and thermal protection is required for each motor.

Signal cables must be laid in a separate metal cable channel. If it is not possible to lay a separate cable channel, the distance between them must be at least 300 mm.

Hello! Yes, this is true. Prompower electric motors up to size 160 can be oriented arbitrarily. Please note that if you want to install a Prompower electric motor with a size larger than 160, then when ordering, you must specify the orientation of the motor in space.

Hello, all Prompower electric motors can operate together with frequency converters. Please note that when operating at low frequencies, self-cooling conditions worsen. In such cases, we always recommend ordering option F70 (forced ventilation). In addition, for sizes FS250 and above, it is necessary to install insulated bearings. This is necessary to overcome the negative impact of bearing currents.

JGV3 circuit breakers can only be equipped with a side auxiliary contact GV-AN11, installation of a front block GV-AE11 is not provided.

Prompower motors can be equipped with a parking brake, but a service brake for lifting mechanisms is not available.

Hello! We do not supply busbars at the moment. Prompower modular switches have a standard interpole distance, so you can use them with busbars from other manufacturers.

Yes, they do exist. Lateral auxiliary contact status 1NO+1NC. "AC OF Auxiliary Contact"

Hello! Prompower sensors have similar characteristics to analogs from other manufacturers. Models are available with a built-in cable or with a built-in connector. Standard connectors - M8 three-pin and M12 four-pin. The purpose of the contacts is the same as connectors from other manufacturers. You can read the description of the sensors and connectors in the document available for download on the product page Prompower.ru.

There is an excellent configurator on our website. You can use the configurator to select the brake resistor you need. For example, for PV40, put the corresponding checkbox and for 11 kW too, we get PDBR-11K-45R-40

Hello! Thin electromechanical relays Prompower were tested in a Russian laboratory, including a mean time between failures. According to the test results, the relay resource corresponded to that declared by the manufacturer.

No. The relays are designed to switch standard 6A loads at 250VAC/30VDC.

Good day! Ag alloy is used

Hello! This relay allows you to change the polarity of the coil supply voltage. It does not matter where the plus and minus are.

No, they don't.

Depends on the model. In the configurator you can easily select the Soft Starter you need

Hello! The P2S-300 series soft starter supports starting in current limitation mode. The current can be set in the range from 200 to 500% of the nominal value.

This functionality is supported only by the PD101 series.

This is doable. Contact our support team for a setup example.

You can use category 6 twisted pair patch cord

The frequency converter supports different modes. By default, the internal power supply is used to form a logical unit at the inputs.

The junior PD100 series does not support pulse sequence assignment. The PD110 has one input capable of supporting up to 50 kHz input pulse signal.

The frequency converter has an analog input scaling parameter.

Frequency converters support NPN, PNP input logic, which is switched by parameters.

There is freely distributed software. You can freely download it from the site.

The output analog signal is freely configurable. You can set the analog output to the output current readings with one parameter.

Yes. There is a parameter that determines the frequency from which the converter will start.

It is possible to control frequency reference control channels.

Hello! Yes, this model has the ability to adjust the torque on the motor shaft.

Hello! This feature is in development. Implementation date is 2024.

Hello! All Prompower frequency converters support Modbus RTU control. For additional instructions and program examples, please contact our technical support service at any time.

Yes, our frequency converters have a freely configurable output relay. Contact our technical support service, we will try to help