1. Reference standard

1) GB/T 17215.322 Alternating Current Measuring Equipment - Particular Requirements - Part 22: Static Active Energy Meters (Class 0.2S and Class 0.5S);

2) GBT17215.324-2017 AC Measuring Equipment + Special Requirements + Part 24: Static Reactive Energy Meters (Class 0.5S and Class 1.0S);

3) GB/T 17215.211-2006 General Requirements, Tests and Test Conditions for Alternating Current Measuring Equipment Part 11 Measuring Equipment (IEC 62052-11:2003, IDT)

4) GB/T 17215.301-2007 Special requirements for multifunctional electric energy meters;

5) DL/T 645-2007 Multifunctional Electric Energy Meter Communication Protocol;

2. Technical indicators

1) Voltage and current accuracy: class 0.2;

2) Active energy accuracy: 0.2S class (APM801, APM830), 0.5s class (APM800, APM810);

3) Reactive energy accuracy: 0.5S class (APM801, APM830), 2 class (APM800, APM810);

4) Harmonic accuracy: ±1% (2~45th order), ±2% (46~63th order);

5) Analog output precision: 0.5 grade;

6) Analog input precision: 0.5 grade;

7) Voltage specification: AC 3×57.7V/100V(100V), 3×220V/380V(400V), 3×380V/660V(660V);

8) Current specification: AC 1A, 5A (connected via transformer);

9) System frequency: 45Hz~65Hz;

10) Working temperature: -25℃~+70℃ (APM830); -20℃~+65℃ (APM800, 801, 810)

11) Storage temperature: -40℃~+85℃ (APM830); -20℃~+70℃ (APM800, 801, 810)

12) Relative humidity: ≤95℅ (no condensation);

13) Altitude: ≤2000 meters;

14) Communication: RS485 communication, Ethernet communication, Profibus communication;

15) Dimensions: 96*96*87.5;

16) Expansion module size: 90*90*22.5;

17) Protection class: IP54;

3. Functional requirements

1) Support full power parameter measurement (U, I, P, Q, S, PF, F);

2) Support bidirectional active and reactive energy measurement, apparent energy measurement (APM830), support active and reactive pulse output;

3) Support multi-rate metering (historical December), multi-rate can be set to 4 time zones, 10 time periods, and four rates (peaks and valleys);

4) Internal temperature measurement of the instrument (APM830);

5) Support power quality analysis function;
a) Fundamental wave voltage and current measurement (APM830);
b) Voltage and current sequence component measurement (APM830);
c) Voltage and current unbalance measurement;
d) Voltage and current phase angle measurement;
e) 2-63th order harmonic, total (odd, even) harmonic measurement, voltage crest factor, telephone crest factor, current K factor measurement (APM810, APM830);
f) Voltage and current vector diagram display (APM830);
g) Real-time waveform display function (APM830);
h) Waveform recording, transient event recording function (APM830), support800 waveforms are stored;

6) Support event record (128, support TF card expansion), alarm record (including 66 kinds of alarms, various alarms can record the latest 16, support TF card expansion), maximum demand (historical December, positivereverse) and extreme value statistics (this month and last month);

7) Support 2-channel digital output (optional MD82 module can be expanded up to 8 channels) and 2-channel digital input (optional MD82 module can be expanded to 26 channels at most), and the digital output can be configured as an alarm outputOr remote control, when DO is used as alarm output, the alarm content can be freely associated;

8) Support TF card storage (optional MLOG function module), which can be used for timing storage of electrical parameters, electrical energy, harmonics and other data, waveform storage, etc.

9) Supports up to 12 analog outputs (optional MA84 module), and can configure the corresponding output electrical parameters arbitrarily;

10) Supports up to 24 analog inputs (optional MA84 module), which can be used for reverse display;

11) RS485 communication, support Modbus RTU protocol/DL/T645-07 protocol (support freeze function) adaptive;

12) The second channel RS485 communication can be expanded, supporting slave mode and master mode.

13) Support Ethernet communication (optional MCE module), support protocols include: Modbus-TCP, http, SMTP, DHCP.

14) Support Profibus-DP communication (optional MCP module);

4. Qualification report

1) Accuracy and EMC commissioned test report from a third-party authority;
2) CE certificate;

5. Wiring method

Low voltage three-phase four-wire wiring diagram

High voltage 2PT2CT three-phase three-wire wiring diagram

6. Application scheme diagram