Single-phase electricity meter AIST A100 ETHERNET

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AIST A 100” single-phase electric energy meter is designed for measuring and metering of active energy in single-phase alternating current circuits and transmission of telemetric information about the consumed electricity when used in automated data collection systems. Single-phase electronic electricity meter “AIST A100” performs the following functions:

Voltage measurement;
Current measurement;
Calculation of active power;
Registration of consumed energy;
Countdown of time and calendar date;
Information exchange with the concentrator by means of data transfer units (DTCs);
Data storage in non-volatile memory.

Consumer and service data are displayed on the liquid crystal display (LCD) located on the front panel of the meter. The meter can be operated autonomously or in an automated system of data collection on the consumed electricity. It is possible to configure the meter parameters using a computer or a manual polling and programming device (MPD). The meter allows to control electricity consumption taking into account the developed tariff structure. It is possible to receive information about the emergency state of the own network. Ethernet module allows to simplify remote reading of readings and additional information from the meters. Ethernet modules work in any Ethernet network and are fully compatible with the global Internet.

Accuracy class of active energy: 1

Base, Ib (maximum) current, A: 5 (60)

Rated voltage value (Unom), V: 230

Starting current (sensitivity threshold): 0.004Ib

Set operating voltage range, V: 0.9 to 1.1Unom

Extended voltage range, V: 0.8 to 1.15Unom

Power consumption: 125mA (Current, max), Voltage circuit 5VA/Current circuit 0.2VA

Nominal value of mains frequency, Hz: 50

Maximum number of tariffs: 4

Minimum tariff duration, min: 15

RS485 interface communication speed, bps: 1200~9600

Accuracy of the built-in clock at normal temperature, better, s/day: ± 0,5

LCD display: 0.01 kWh (price of the lowest digit when displaying energy), 8 indicated digits

Meter constant, imp/(kWh): 1200

Average MTBF, h: 150000 (module), 160000

Service life: at least 10 years, at least 20 years (module)

Additional I/O units: GSM modem, PLC modem, RF modem

Operating Temperature, °C: from -40 to +55

Dimensions: 190×113×75 mm, 70x50x28 mm (Module)

Weight, kg: 2.8

Ethernet module: Up to 100 Mbps data transfer rate via 10100 Base T interface

PLC-Module: Communication range – up to 3km, Data transmission mode over low-voltage network – packet, half-duplex, Data transmission speed over low-voltage network – up to 256 Kbps

RF-Module: Communication range – up to 1km, Mode of data transmission via RF-channel – packet, half-duplex, Operating frequency – 430…437 MHz, Speed of information transmission via radio channel – up to 10 Kb/s

3G Module: Data rate – 3.6 Mbps (HSDPA), Operating frequency range – GSM-GPRS 850/900/1800/1900 MHz; WCDMA 900/2100 MHz, Radiated power – 0.25 W (UMTS 2100)

Wi-Fi module: Operating frequency – 2.4…2.4835 GHz, Support IEEE 802.11 n/g/b standards, Wireless channel protection – WPA-PSK/WPA2-PSK, WPA/WPA2-PSK, WPA/WPA2