Complaint
| Specification | ||
| Model | ME531 | |
| Product component type | Multifunction power meter | |
| Poles description | 3PH4W 3PH3W 1PH2W (L-N); 1PH2W(L-L);1PH3W(L-L-N) | |
| Device application | Power analysis Energy meter | |
| Input type | External CT(333mV only) And External Rogowski coil | |
| Display | None Display | |
| Sampling rate | 8k samples per second | |
| Mounting mode | DIN RAIL | |
| Harmonic | 52th Max | |
| Mechanical characteristics | ||
| Weight | 125g | |
| Dimension | L*W*D:122*87*23mm | |
| Instantaneous rms Values | |
| Voltage | U,UTH2,UTH3,UTH4(Per Phase, AVG) |
| Current | I,ITHD2,ITHD3,ITHD4(Per Phase, AVG) |
| Power | P,Q,S,PF(Per Phase, SUM) |
| Energy | EP, EQ, ES, Freq (Per Phase, SUM) over 1.0 x 109kWh ,value reset |
| UTHD(%) | UTHD,THD2,THD3,THD4(Per Phase, AVG) |
| ITHD(%) | ITHD,THD2,THD3,THD4(Per Phase, AVG) |
| PF | PFa, PFb, PFc, AVG |
| Update rate | |
| Data acquisition rate | 400ms |
| Calibration | |
| Current | Per phase, all |
| Voltage | Per phase, all |
| Power factor | Per phase ,all |
| Energy | Reset to "0" EP,EQ,ES all phase |
| Communication | |
| Transmission mode | RS485 port,Half duplex |
| RS485 link | 3 wires |
| Communication protocol | MODBUS RTU |
| Settings | |
| Communication address | 1 to 247 (default 1) |
| Baud rate(communication speed) | 1200 to 57600 baud (default 19200) |
| Parity | None (default),Old, Even |
| Data bit | 8 |
| Stop bit | 1 |
| Environmental conditions | ||
| Operating temperature | -25ºC to +55ºC | |
| Storage temperature | -40ºC to +85ºC | |
| Humidity rating | 5 to 95% RH at 50ºC(non-condensing) | |
| Pullution degree | 2 | |
| Overvoltage category | III,for distribution systems up to 277/480VAC | |
| Dielectric withstand | As per IEC61010-1, Doubled insulated front panel display | |
| Altitude | 3000m Max | |
| IP degree of protection | IP20 conforming to IEC 60629 | |
| Colour | White | |
| Contractual warranty | 12months | |
| EMC | ||
| Electrostatic discharge | Level IV(IEC61000-4-2) | |
| Immunity to radiated fields | Level III (IEC61000-4-3) | |
| Immunity to fast transients | Level IV (IEC61000-4-4) | |
| Immunity to surge | Level IV (IEC61000-4-5) | |
| Conducted immunity | Level III (IEC61000-4-6) | |
| Immunity to power frequency magnetic fields | 0.5mT (IEC61000-4-8) | |
| Conducted and radiated emissions | Class B (EN55022 ) | |
| Standard compliance | ||
| EN 62052-11,EN61557-12,EN 62053-21,EN 62053-22,EN 62053-23,EN 50470-1,EN 50470-3, EN 61010-1,EN 61010-2,EN 61010-031 | ||
| Measurement accuracy | ||
| Current | 0.5% from 1% to 120%(don't ensure accuracy when <10A) | |
| Rated current (5 level selectable) | 100A(0.5% from 10A to 120A) 600A(0.5% from 10A to 720A) 1000A(0.5% from 10A to 1200A) 3000A(0.5% from 30A to 3600A) 6000A(0.5% from 60A to 7200A) | |
| Rogwoski coil connect setting | 100A | MRC-16 |
| 600A | MRC-36 | |
| 1000A | Y-FCT-200 or Y-FCT-350 or NRC-100 | |
| 3000A | NRC-150 or Y-FCT-510 | |
| 6000A | NRC-200 or Y-FCT-800 | |
| Voltage | 0.2% from 80V to 400V(or 100 to 500V) | |
| Power factor | ±0.005 from 10% to 120% | |
| Active/Apparent Power | IEC62053-22 Class 0.5 | |
| Reactive power | IEC62053-21 Class 2 | |
| Frequency | 0.01% from 45 to 65Hz | |
| Active energy | IEC62053-22 Class 0.5s | |
| Reactive energy | IEC62053-21 Class 2 | |
| Measurement arrange | |
| Measured voltage | 80V to 400V AC(or 100 to 500V) |
| Frequency range | 50/60Hz |
| Input-current characteristics | |
| Primary current range | Adjustable from 0.1A to 9999A |
| Measurement input range | 1/225mV-333mV |
| Permissible overload | 600mV for 10s/hours |
| Power | |
| AC/DC | 24VDC |
| Output | |
| Relay | 1×digital output(2 ports) from 1pcs relay,rated 24V/800mA, 75mΩmax, 2.5kVrms insulation(controlled by Modbus) Maximum Switching Power : 0.5A, 125VAC 1A, 30VDC |
| Opticalcoupler | Max voltage :80VDC;Max current 50mA Recommend Current :10mA |
| Wire diameter for terminals | |
| Connections-terminals | Screw terminals 2.5mm2,interval 5.08mm |
| Alarm | |
| Setting | U and I Each phase,AVG |
| Output form | Relay |
| Port number | Port name | Port function | Remarks |
| 1 | IA+ | A-phase current input positive | A-phase current |
| 2 | IA- | A-phase current input negative | |
| 3 | IB+ | B-phase current input positive | B-phase current |
| 4 | IB- | B-phase current input negative | |
| 5 | IC+ | C-phase current input positive | C-phase current |
| 6 | IC- | C-phase current input negative | |
| 7 | N/A | To be option | Option |
| 8 | N/A | To be option | |
| 9 | N/A | To be option | |
| 10 | Un | C-phase voltage input | Voltage input |
| 11 | Uc | B-phase voltage input | |
| 12 | Ub | A-phase voltage input | |
| 13 | Ua | N-phase voltage input | |
| 14 | N/A | To be option | Option |
| 15 | N/A | To be option | |
| 16 | N/A | To be option | |
| 17 | N/A | To be option | |
| 18 | A | RS485 A | RS485 communication |
| 19 | B | RS485 B | |
| 20 | GND | RS485 GND | |
| 21 | OP+ | Coupler output + | Coupler output |
| 22 | OP- | Coupler output - | |
| 23 | RCOM | Relay output - | Relay output |
| 24 | RO1 | Relay output + | |
| 25 | V- | Power supply - | Power 85~265V AC/DC Or 24VDC |
| 26 | V+ | Power supply + |
