Astronomical mode - automatically calculates the time of sunrise and sunset based on the entered coordinates and the current time, allowing you to control the lighting without using external sensors.

(Switching on/off the load with the ability to set the switching on/off delay before sunrise, after sunrise, before sunset, after sunset).

The range of voltage relays of the PH - (125, 132, 140, 150, 163) series includes versions of relays with overheating protection (thermal protection) PH - (125T, 132T, 140T, 150T, 163T).

Protection against overheating due to exceeding the rated load current is necessary to avoid damage to the power supply cable, which can lead to fire.

Overheating occurs when a large number of electrical appliances are switched on simultaneously, the total power of which exceeds the permissible voltage for the input cable. Overheating can also be caused by poor contact in the terminal connection.

Thus, by selecting the correct power of the voltage relay and choosing a modification with thermal protection, you can sleep peacefully!

System Overvis - is a software platform (virtual server) for remote control of industrial equipment via a web browser. Installing the system at the enterprise allows you to continuously monitor the parameters of equipment operation for prompt decision-making. It is designed to solve the problems of engineers and managers of enterprises of any size. The owner of a pump or boiler in a country house will receive control over its operation from a smartphone and SMS alerts in case of failures. A large plant will receive a full-fledged control system that has no analogues in terms of price and ease of integration into the workflow.

Hysteresis in a voltage relay is a voltage deviation within 5-7 V from the set point (minimum threshold + 5-7 V and maximum threshold - 5-7 V) at which the voltage relay will switch on the load. Absence of unnecessary tripping when the voltage fluctuates within the setpoint.

Hysteresis in temperature relays is a deviation of the temperature from the setpoint at which the relay turns on / off the load. For example: set the heating mode on the device and the setpoint to 20 degrees, and the hysteresis is 2 degrees. now when the temperature reaches 22 degrees, the relay will turn off the load (fireplace), and when it drops to 18 degrees, the relay will turn on the load.

A voltage control relay is a device that monitors dangerous voltage, over or under voltage, thereby protecting (by disconnecting) devices connected to the network: a refrigerator, TV, DVD player, electric boiler, etc.

There are 2 types of voltage relays:

1) Built-in, on a din rail in the electrical panel, protecting the entire apartment / house.

2) Individual plugs and sockets, to protect a single appliance, such as a refrigerator.

We installed an electronic protection unit UBZ-301 on the electric motor. When the motor is switched on, this unit immediately triggers. It shows an error of current imbalance.

If, after switching on the load, the unit immediately switches it off and locks up due to current imbalance, one of the reasons for this may be the incorrect polarity of the connection of current sensors TT1 or TT2. In this case, it is recommended to change the connection of one of the current sensors by swapping the start and end on terminals 13-16. If the above effect is repeated when you try to switch on the load again, it means that the sensors were connected correctly, the cause of the skew is a malfunction of the ED and/or the supply cable.

The PH-240(263)t voltage relay is designed to protect household and industrial electrical equipment (refrigerators, air conditioners, washing machines, TV, video and audio equipment, etc.) from unacceptable voltage fluctuations in the mains and the consequences of a neutral (zero) break.

The product is designed for load current up to 40 (63) A.

Read more about PH-240t << HERE >>

More information about the PH-263t << HERE >>

Since the phases at the facility where the RNPP-311M is installed may not coincide with the phases during calibration of the device, it is necessary to swap 2 phases on the power terminals of the RNPP-311M device (provided that the phase alternation is correct at the facility - the motors rotate in the right direction).

The phase changer is connected to a three-phase network and provides power to a single-phase consumer by switching to a phase with acceptable parameters (from the set voltage thresholds). It is used to provide uninterrupted power supply to critical single-phase consumers (if at least one of the 3 phases with acceptable parameters is available). The PEF phase switch can be used for the entire house (apartment), only for one or a group of single-phase consumers (depending on the consumer's load power and the Pef model).

The Smart Off intelligent system ensures that devices are switched off in the event of unacceptable voltage drops and blocks relay operation in the event of minor voltage fluctuations. Avoidance of false relay tripping during short-term voltage drops (starting sags). Such short-term voltage drops below the setpoint do not cause any damage to the equipment.

To set data recording parameters, you need to enter the recorder menu by selecting the Menu parameter and pressing the OK button. Then, go to the "Data Recording" parameter.

In the "Recording Type" section, there are two recording options available:

• Until full – the recorder will record data until the memory on the removable storage is full.

• Circular – the recorder will record data until the memory on the removable storage is full, after which it will delete outdated data to continue recording.

The next parameter is "Recording Period", where you need to set the data recording interval within the range of 0.001 – 3600 seconds.

The next parameter is "File Size", where you can set the size of the recorded file within the range of 32 KB to 512 MB. The file size should be set for convenient tracking of parameters stored in a single file.

To set the type of recorded data, go to the "Data Selection" parameter. This section consists of a single block containing 20 cells, where each cell can be assigned one parameter for recording. Navigate to cell 1 and press OK. For each cell, you need to specify the channel and parameter for recording. Use the right or left keys to switch between channels and the up or down keys to switch between parameters.

The table of modifiable parameters for base channels is available in the device passport.

The table of actual values for base channels is also presented in the device passport.

For example, to set RMS Current Phase 3 (Root Mean Square Value) in cell number 2:

1. In the "Data Recording" menu, navigate to cell 2 and press OK.

2. Use the right key to find channel 6 (according to the device passport, this channel corresponds to current parameters in Phase 3).

3. Use the down key to select the "RMS Current" parameter and press OK.

Done. Similarly, the required data can be assigned to each cell.

If a cell contains the parameter "Empty", then no data is recorded in that cell.

To view and analyze recorded data, use the "RPM-416 Data Analysis" software

 software “RPM-416 Data Analysis”, which is available for download on the Novatek-Electro website.

The software also allows remote configuration of the recorder and real-time monitoring via the Modbus TCP protocol. The recorded data is displayed as a graph showing parameter values over time.

Electrical Parameters Recorder RPM-416 – Go to Product Page

In order to ensure favourable conditions for switching on your appliances after the restoration of the network parameters. For example, the recommended time for switching on refrigerators, air conditioners, washing machines and other appliances with a compressor or electric motor is 3-4 minutes. For other household appliances, 10-15 seconds is enough to switch them back on.

To install a single-phase voltage relay for the entire apartment, you should take into account the total power of electrical appliances that can be connected in the apartment, for example (Kettle - 1.5 kW + refrigerator 0.8 kW + boiler 1.5 kW + TV 0.5 W + washing machine 1 kW, Total = 5.3 kW and it is worth considering a margin for a further increase in electrical appliances of 15-20% Total with a margin = 6.4 kW.) Based on the calculations, you should purchase and install a  7 kW voltage relay - PH-113.

If you have a country house with a 3-phase input, but all electrical consumers are only single-phase (no three-phase devices), you should install 3 single-phase voltage relays instead of one three-phase voltage relay, this is due to the fact that when installing one three-phase voltage relay, if one of the phases is overloaded, it will have a ‘weak’ voltage and then the three-phase relay will disconnect the entire house because of one phase, and in the case of three single-phase relays, only the phase with an unacceptable voltage will be disconnected, and the other two will remain in operation.

This fault means that there is an insulation breakdown or a potential on the housing. It may also be the case if the motor is ungrounded or if it has been rewound incorrectly, to disable the insulation monitoring, disconnect the wire from terminal ‘5’ in the блоці захисту електродвигуна UBZ-301.

Devices from the EM line (Interface Converters) are used in dispatching systems, process automation, emergency notification systems (SMS, e-mail, auto-dialer), ACCS systems - remote reading of metering devices, and much more.

EM-486 or EM-481 can be connected to the device (using the expansion module ОВ-215):

• Universal measurement input
• (analogue signals 0-10 and 4-20mA) optical sensors
• Pressure, humidity, speed, etc. sensors
• Discrete 0/1 signals - armed, leakage, smoke, position, etc.
• Temperature NTC - Common temperature sensor Resistive
• Light, pressure, level, etc. sensors
• Pulse counter - connection of meters (kW, m3, kg/steam...) via pulse output
• Load control up to 5 A direct connection
• Converter of TTL - RS-485 interfaces
• Connection of digital sensors Arduino (1-Wire, I2C)

Time relay - designed to create a time delay in the process of switching on or off signalling and other devices. In simple words, if you need to perform any automatic action, but not immediately, but after a certain time interval set by the user. The relay operates after power is applied to it, or when a control signal is applied (some devices).

Electronic programmable timer - designed to switch on/off one or two loads at time points previously set by the user (in PH-16 TM - taking into account the mains voltage and REV-302 - the illumination of an external photo sensor). With reference to real time.

To enter the Setup mode, press the SETUP button for 5 seconds.

If the level is password protected, the message ‘PAS’ will appear on the display and ‘000’ will flash on the parameter value display.

Press the UP and DOWN buttons to sequentially dial three digits of the adjuster password from 1 to 9, separating the set by pressing the RES/MEM/SEL button.

Next, move to the parameter to be changed, while the dot in the middle digit of the mnemonic indicator is lit.

Press the DOWN and UP buttons simultaneously (the dot in the high digit of the mnemonic indicator should disappear). After that, this parameter can be edited.

The example of connecting TR-101 and EM-486.

To install, connect the EM-486 to the power supply and connect it to the server Overvis. Next, connect the TR-101 according to the device data sheet. Then connect the TR-101 device to the EM-486 using a two-core cable to create an RS-485 local network.

It is very important to observe the polarity of all connected Modbus devices in the RS-485 local network.

Next, in the settings of the TR-101 device, enable data transmission via RS-485, for this purpose, in the device settings, find the ‘rSA’ parameter and set the value to ‘1’, which corresponds to ‘Modbus communication’.

Then click the Enter button and save the settings. Next, go to the rSn parameter and set the device's network number to 16. You're done.

Now log in to your existing account on the Overvis.com website, select the network to which this device will be connected and click the ‘Add device’ button. Fill in the name field, optionally add a description, in the Modbus ID field, set the same communication address as specified in the device settings. (On the TR-101 device, we set the address to 16). In the ‘Reading interval’ field, set the frequency of polling devices by the Overvis server, the maximum possible frequency is 60 seconds. By default, 1 reading every 300 seconds.

In the ‘Run from template’ field, select your connected device from the list of global templates. Select the TR-101. All other Modbus protocol implementation settings are intended for technical specialists. Click the ‘add device’ button, and we see that our device has appeared in the network. Going to the device itself in the Overvis account, you will see a list of parameters according to the device data sheet.

All further settings of the TR-101 device can be made through the interface of your account.

The main advantages over analogues:

• Durability
• Reliability.
• It is possible to disable phase sequence and phase skew control
• It is possible to disable the processed control of the maximum and minimum voltage

To set up the daily-weekly programmable timer РН-16ТМ, press the menu entry button.

The display will show the parameters for selecting the operating mode and the sp1 parameter set.

Next, press the menu entry button and go directly to the selection of the device operating mode.

Then press and hold the menu entry button again and use the left and right buttons to select one of the relay modes, each mode corresponds to a specific symbol.

The table of correspondences of symbols and operating modes is given in the device passport.

Also, when switching relay modes, the corresponding LED indicators light up.

Let's focus on the weekly timer mode.

This mode corresponds to the ‘H’ symbol.

The green ‘H’ LED will light up.

To exit the settings menu, press the exit button twice.

To set the weekly timer, set the current time and day of the week.

To do this, while in the menu, press the right button to go to the ‘H-RA’ parameter and press the menu entry button.

Next, go to the ‘CLOC’ parameter. In this parameter, you must select the current day of the week in the range from 1 to 7.

To select, press the menu entry button, then set the current time.

To change the time, use the left and right keys, and to switch between the hour/minute parameter, use the menu entry button.

After setting the time parameters, to save and return to the previous menu, press the exit button.

The current time and day of the week are set.

Let's move on to setting up events. To do this, press the right button to go to the switch-on time parameter e 01.

Here you need to select the day of switching on in the range from 1 to 7, from Monday to Sunday, and it is also possible to set a group mode where A is all days of the week, B is weekdays from Monday to Friday, and C is weekends on Saturday and Sunday.

For example, let's set up the area to work separately on weekdays and separately on weekends, for the operation of the ventilation hood in the office space.

To do this, set the days of switching on to weekdays, which corresponds to the symbol B.

Next, to set the switch-on time, press the menu entry button and set the switch-on time to 11:30, save and exit to the previous menu.

Pressing the right key, find the switch-off parameters d 01, and press the menu entry button.

In this parameter, similarly, we set the days of switching on weekdays, and the time of switching off 15-30.  Save the settings and move on to setting the switch-on on weekends.

To do this, find the parameter and E02 and set the value to C, then set the switch-on time to 13.00. Save the settings.

Similarly, set up the weekend switch-off. Find the parameter d02, select weekends and set the time to 14:00. You are done.

Save the settings and exit the menu.

Thus, we have configured the timer to work on weekdays according to one programme, and on weekends according to another programme. Similarly, you can set the timer individually for each day of the week or for the entire week.

To configure other relay operating modes, the device data sheet contains a programming sequence.

For UBZ-301 motor protection units, a starter corresponding to the current of the protected motor is required, for UBZ-302 units, a starter corresponding to the current of the protected motor is required, and when protecting a motor from 100 to 630 A (up to 100 A, built-in current transformers are used), 3 current transformers with a 5 A output corresponding to the motor current are required. For UBZ-304, (305) - a starter corresponding to the current of the protected motor is required and 3 current transformers with 5 A output and a rating corresponding to the motor current are required.