I.Brief introduction for LED Programmable Digital Multi-function Energy Meter
This product adopts the most modern microprocessor and digital signal processing technology, which can measure three-phase voltage, current, power, grid frequency and other common power parameters in the power grid. At the same time, it also has electric energy accumulation, energy pulse, cross-line alarm, switch input and output, simulation transmission output and network communication functions. With a friendly man-machine interface.
This product has a very high cost performance and can directly replace conventional measuring indicator instruments, energy meters, multi-function network power meters and related auxiliary units. As an advanced intelligent, digital grid front-end acquisition component, which can be applied to various control systems, energy management systems, substation automation, distribution network automation, residential power monitoring, industrial automation, intelligent buildings, intelligent switchboards, In the beginning cabinet, it has the characteristics of convenient installation, simple wiring, convenient maintenance, small engineering quantity and field programmable input parameters. It can complete the networking of different PLC and industrial control computer communication software in the industry. II.Main Technical Instructions
Performance
Parameters
Input measurement display
Network
3-phase 3-lines, 3-phase 4-lines
Voltage
Rated value
AC100V, 400V(Please indicate when place order)
Overload
Duration:1.2 times Instantaneous: 10 times /10s
Power consumption
＜1VA(Each phase)
Impedance
≥500kΩ
Accuracy
RMS measurement, accuracy level 0.5
Current
Rated value
AC1A, 5A(Please indicate when place order)
Overload
Duration:1.2 times Instantaneous:10 times/10s
Power consumption
＜0.4VA(Each phase）
Impedance
＜2mΩ
Accuracy
RMS measurement, accuracy level 0.5
Frequency
40~60Hz, accuracy 0.1Hz
Power
Active, apparent power accuracy is 0.5, reactive power accuracy is 1.5
Electric energy
Four-quadrant measurement, active energy accuracy 1.0, reactive energy accuracy 2.0
Display
Programmable, switching, loop (LED) display
Power supply
Power supply range
AC220V AC/DC 85~270v
Power consumption
≤5VA
Output
Digital interface
RS-485, MODBUS-RTU protocol
Pulse output
2-way energy pulse output, optocoupler isolator
Discrete input
4-way switch input, dry contact mode (optional)
Switch output
4-channel digital input, optocoupler relay (optional)
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