Indicator is designed to work with current transformers for primary current Ip from 5Ă·6000A and secondary current 5A. The maximum current measured value of the system is determined by the primary current Ip applied CT (current transformer). The user has the ability to set the index value used gear ratio, which allows you to indicate the actual value taken by the electricity system.
Serial RS-485 and implemented MODBUS RTU communication protocol allows the indicator used in networks for remote reading of data.
Special electronics under the influence of current flow and applied voltage in each phase generates pulses in proportion to the energy consumed in this phase. Energy consumption phase is indicated by flashing the corresponding LED (L1, L2, L3). The sum of pulses of the three phases indicated by the flashing LED
pulse/kWh is converted into energy collected throughout the three-phase system and its value is indicated by segment LCD display.
In the memory index values are preserved primary currents Ip trans-formers feasible. Choosing the appropriate value in accordance with the values of the connected transformers automatically sets the appro-priate factor, according to which computes the actual value of the electricity taken. This value is projected on the LCD display format depending on the selected gear.
Values of Ip currents of transformers inscribed in memory of the indicator:
5, 20, 30, 40, 50, 60, 75, 80, 100, 120, 150, 200, 250, 300, 400, 500, 600, 750, 800, 1000, 1200, 1250, 1500, 2000, 2500, 3000, 4000, 5000, 6000.
Indicator has a pulse output SO+ - SO-. This allows you to connect another pulse device reading (SO) pulses generated by the meter. For proper opera-tion of the meter is not required to connect additional devices.
Constant pulse of meter is 12000pulses/kWh for maximum input current meter, the transformer secondary current (5A). When using a dedicated CT number of pulses per 1 kWh is calculated using the formula (12000Ă—5) / Ip, where:
Ip - primary current used transformer
for transformer 5/5a (Ip = 5): (12000Ă—5) / 5 = 12000 pulses/kWh
for transformer 100/5A (Ip = 100): (12000Ă—5) / 100 = 600 pulses/kWh
Indicator has a sealable terminal covers input and output do to prevent bypass the meter.
The program allows to test reading of the calculated energy and make the settings of the basic parameters of the counter.
PC-LE communication via USB converter WE-1800-BTâ–ş
Programs for remote reading of electricity meters
LE-01M, LE-01MP, LE-01MQ, LE-03M, LE-03MP, LE-03M CT
The MeternetPRO application allows remote reading of states and indications of counters, multimeters, measuring transducers, expansion modules of input/output and other measuring devices communicating through Modbus RTU protocol. The exchange of data between devices and the application is executed through RS-485 or local area network (LAN). The application, along with the database is installed on a special MT-CPU-1 server, which operates in a local network. Software user interface is a web application (web site). Access to the application is executed through any web browser. In a LAN with a public IP address, you can configure the application and read the data over the Internet.
Subscription billing of electricity consumption module
Module of the subscription billing of the power consumption or other recorded incremental value, for example: water, heat, etc. It allows you to calculate the increases in the value in the designated billing periods (intervals). Cycles: monthly, weekly, daily, hourly. The module allows you to create multiple individual and parallel reports.
Program allows remote reading via RS-485 network display up to 1000 indicators.
Exchange of data between the counters and the application is done via a standard RS485 <-> USB port or server on the LAN (Ethernet). For LAN connection to the router with a static IP address, you can read the data via the Internet.
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|Communication protocol||MODBUS RTU|
|Compatibility||MID Directive 2014/32 / EU|
|Reference voltage||3Ă—400 V+N|
|Current current||1,5 A|
|Maximum current||5:00 AM|
|The minimum measured current||0,04 A|
|Accuracy of measurement in accordance with IEC61036||class 1|
|Counter's own consumption||10 VA; 2 W|
|Scope of indication of the abacus||dependent on the transmission|
|Counter constant||dependent on the transmission|
|Reading signaling||LED red|
|Pulse output SO + SO-||open collector|
|Connection voltage SO + SO-||max. 30 V DC|
|Connection current SO + SO-||max. 27 mA|
|Pulse time SO + SO-||35 ms|
|The number of LCD characters||7|
|terminal||screw terminals 25 mmÂ˛|
|dimensions||7 modules (122 mm)|
|Assembly||on rail 35 mm|
|Level of security||IP20|